Benelli

updated 2020-03

Contents:

 A. Benelli and Motobi
 B. Benelli in the USA all models 1965-2008+
 ============ partition ============
 C. Benelli Worldwide models with engines:
C.1. 1960?-75+ FA 00  1-speed automatic 49cc pedal-start
C.2. 1966-73+? GM 00 1-speed automatic 49cc pedal-start
C.2. 1966-73+? GK 00 1-speed automatic 49cc kick-start

C.3. 1970-73+? GK65  1-speed automatic 59cc kick-start

C.4. 1974-84+? G2 00 1-speed automatic 49cc pedal-start

C.4. 1974-84+? G2K 0 1-speed automatic 49cc kick-start

C.4.
1974-84+? G2 Engine Parts
C.5. 1962?-80+ 3V 00 3-speed hand-shift 49cc pedal-start
C.5. 1962?-80+ 3VK 0 3-speed hand-shift 49cc kick-start

C.6. 1964?-69+ 4M 00 4-speed foot-shift  49cc
C.6. 1964?-69+ 4MS 0 4-speed foot-shift  49cc sport

C.7. 1969-75+? 4M65  4-speed foot-shift  59cc 

 


benelli

A. Benelli and Motobi

 

Benelli began in 1911 as a family repair shop for motorcycles and bicycles. By 1940 they made a winning supercharged 250cc 4-cylinder racing motorcycle. So they are to be admired like Ferarri and Ducati are.

Here is the Benelli story at Wikipedia.org.
Here is an excellent display of Benelli motorcycles and paraphernalia. Benelli Motorcycle Shrine by Steven Salemi.
Here is a link to the official Benelli Museum, 1970’s mopeds section.

Motobi: In World War Two the Benelli factory in Pesaro Italy was totally destroyed. After the war the factory was rebuilt, but there was discord between the six Benelli brothers. In 1949, Guiseppe Benelli left to form his own company, Motobi. After 13 years of success, Motobi was failing financially, and in 1962 was acquired by Benelli. The combined Motobi-Benelli company produced around 300 motorcycles a day and had 550 employees. Motobi designs continued in production under the Benelli name. After 1962 both names were used by the same factory, Fratelli Benelli S.p.A. Pesaro Italy.

SEIMM (Società Esercito Industrie Moto Meccaniche): The 1970’s were hard times for European motorcycle manufacturers. Low cost and high quality or higher performance machines from Japanese makers took away millions of sales. SEIMM was an Italian government controlled company that would take ownership of failing Italian motorcycle manufacturers. In the 1950’s and early 60’s Benelli and Moto Guzzi were competitors that made similar products. But in the hard times of the “Japanese invasion” they were partners, and shared their rights and resources. That is why the 1978-80 Benelli G2 and Moto Guzzi Robin mopeds are identical.

1981 laws worldwide for manufacturers came into effect for motor vehicles worldwide, made after 1980, including the 17-digit VIN, and noise labeling. Like most other moped makers, to avoid the hassle, SEIMM made and stockpiled 2 or 3 years worth of 1980 models, and sold them in the following years as 1981 and 82 models.

Superb handling: Benelli motorcycles are known for their superb handling. That has a lot to do with the quality of the metal, something you can’t see in photos or spec sheets. In the US, Benelli is most known for it’s awesome 6-cylinder motorcycles, the 750 and 900 Sei, from 1976 to 1984 (1973 to 1989 worldwide). Kawasaki and Honda also had six-cylinder bikes during that period, that went faster but did not handle as well as Benelli’s.

1983 Benelli 900 Sei

1982 USA laws banned two-stroke, on-road, over-50cc motorcycle engines. This caused manufacturers who made only, or mostly two-stroke motorcycles, like Piaggio and Benelli, to pull out of the US in the mid-1980’s. This is why there are no 65cc to 125cc models in the USA models list after 1981.

Bigger is better: As the years went by, motorcycle engines kept growing bigger. In the 1960’s a 250 was a big bike. In the 1980’s a 250 was small. Especially in the USA, the demand was for bigger, more powerful bikes. The manufacturers were like in a arms race. That is partly why there are no small or mid-sized Benelli motorcycles in the 1980’s USA. It is funny, and a little sad, that in the mid-1980’s USA, if you wanted to buy a new Benelli, you had to choose between a G2 moped that went 30mph, or a 900 Sei sport bike that went 130mph!

 


B. Benelli in the USA

.

Cosmopolitan Motors: Benelli mopeds and motorcycles were imported to the USA from about 1965 to 1988 by Cosmopolitan Motors in Hatboro PA. Cosmo sold the Automatic, Maverick, 3FA, Blazer, G2 and C2 pedal-start mopeds, and the 3VK kick-start moped. They also sold many different Benelli mini cycles and trail bikes, plus Benelli 250 twin, 250 and 500cc 4-cylinder, 750 and 900cc 6-cylinder sport motorcycles.

 

J.C. Penney: In the late 1960’s and early 70’s JC Penney department stores sold Benelli Buzzer, Dynamo, Hurricane, Volcano mini-cycles and Cougar trail bike in their auto centers.

 

Montgomery Ward: The Wards department store line was named “Riverside”. The earliest Wards Riverside models were scooters made by Japan’s Mitsubishi and Italy’s Bianchi companies, and mopeds made by France’s Motobecane. Those pre-1965 France-made Wards Riverside mopeds are completely different from the 1965-67 Benelli-made Wards Riverside mopeds.

 

Wards Riverside Benelli: In 1965, Wards changed manufacturers and opted to sell mostly machines from the Italian company Benelli. Benelli offered mopeds and a line of single cylinder motorcycles 50-360cc. The Benelli line plus a Lambretta scooter allowed Wards to compete in the marketplace with the Austrian Puch mopeds and motorcycles that Sears was selling under their Allstate brand.

By 1970 the moped and motorcycle sales went away for the department store retailers, and for European manufacturers in general, primarily due to the Japanese invasion with highly engineered, reliable and powerful 4 stroke motorcycles under the likes of Honda, Yamaha and Suzuki. Also, in 1970 the US Environmental Protection Agency (EPA) was created to oversee and combat increasing pollution and air quality issues. Smokey two stroke motorcycles and other high emission vehicles would be the first targets.

 

Benelli Motorcycles USA 1965 to 2008

Here are the Benelli motorcycles sold in the USA, with specs from motorcyclespecs.co.za.
Wards Riverside models are included. More info is at Brands/Italy/Wards Riverside.
Over-65cc are colored light grey, 50-65cc are dark blue, 50cc mopeds are red.


1965 Benelli Ad

1965 Benelli

1965 Wards

1965

Benelli    model name xxxxx size  engine 000  front  tires  rear
Benelli 50 Fireball 50mph x   49cc 4MS2T50/1 2.25-18 2.25-18

Benelli 125 Monaco scooter 124cc 3V2T125/1  2.50-16 2.50-16
Benelli 125 Cobra 68mph    124cc 4M2T125/1 2.75-18 3.00-18
Benelli 125 Sprite  xxxxxxx 124cc 4M4T125/1 3.00-18 3.25-18
Benelli 200 Sprite xxxxxxx  198cc 4M4T200/1 3.00-18 3.25-18

1965-66 Wards

Riverside 250-D long seat     49cc FA2T50/1   2.25-18 2.25-18
Riverside 350-S scooter xx   49cc 3VK2T50/1 2.25-16 2.25-16
Riverside 450-SS sport bike 49cc 4MS2T50/1 2.25-18 2.25-18
Riverside 125 Lightweight  124cc 4M2T125/1 2.75-18 3.00-18
Riverside 125 Scrambler x  124cc 4M2T125/1 2.75-18 3.00-18

 

 

 


1966 Benelli Ad

1966 Benelli

1966 Wards

1966

Benelli    model name xxxxx size  engine 000  front  tires  rear
Benelli 50 Fireball 4.5hp xx  49cc 4MS2T50/1 2.25-18 2.25-18

Benelli 125 Monaco scooter 125cc 3V2T125/1 2.50-16 2.50-16/1 0.00-00
Benelli 125 Cobra  xxxxxx  124cc 4M2T125/1 2.75-18 3.00-18 0.00-00
Benelli 125 Cob. Scrambler 124cc 4M2T125/1 2.75-18 3.00-180.00-00
Benelli 200 Sprite  xxxxxx  198cc 4M4T200/1 3.00-18 3.25-18
Riverside 250-D long seat     49cc FA2T50/1   2.25-18 2.25-18
Riverside 350-S scooter xx   49cc 3VK2T50/1 2.25-16 2.25-16
Riverside 450-SS sport bike 49cc 4MS2T50/1 2.25-18 2.25-18
Riverside 125 Lightweight  124cc 4M2T125/1 2.75-18 3.00-18
Riverside 175 Lightweight  170cc 4M2T175/1 2.75-18 3.00-18

Riverside 125 Scrambler    124cc 4M2T125/1 2.75-18 3.00-18
Riverside 175 Scrambler    170cc 4M2T175/1 2.75-18 3.00-18

Riverside 250 Mojave  x     245cc 4M4T250/1 3.00-18 3.25-18

 


1967 Benelli Ad

1967 Benelli

1967 Wards

1967

Benelli    model name xxxx  size  engine 000  front  tires  rear
Benelli 50 Automatic
 xxxx   49cc GM2T50/1  2.25-16 2.25-16
Benelli 50 Dynamo Compact 49cc 4M2T50/    3.50-8   3.50-8

Benelli 50 Fireball  xxxxxxx  49cc 4MS2T50/1 2.25-18 2.25-18
Benelli 50 Fireball Trail  xxx  49cc 4MS2T50/1 2.50-19 2.75-17?

Benelli 125 Cobra  xxxxxx  124cc 4M2T125/1 2.75-18 3.00-18
Benelli 125 Cobra Trail  xx  124cc 4M2T125/1 2.75-18 3.00-18
Benelli 125 Sprite  xxxxxx  124cc 4M4T125/1 2.75-18 2.75-18
Benelli 200 Sprite  xxxxxx  198cc 4M4T200/1 3.00-18 3.25-18
Benelli 250 Barracuda  xx   245cc 4M4T250/1 3.00-18 3.25-18

1967 Wards

1967 Benelli

 

Riverside 150-D solo seat    49cc FA2T50/1   2.25-18 2.25-18
Riverside 250-D long seat    49cc FA2T50/1   2.25-18 2.25-18
Riverside 350-S scooter xx  49cc 3VK2T50/1 2.25-16 2.25-16
Riverside 450-SS sport bike 49cc 4MS2T50/1 2.25-18 2.25-18
Riverside 125 Lightweight  124cc 4M2T125/1 2.75-18 3.00-18
Riverside 175 Lightweight  170cc 4M2T175/1 2.75-18 3.00-18

Riverside 125 Scrambler    124cc 4M2T125/1 2.75-18 3.00-18
Riverside 175 Scrambler    170cc 4M2T175/1 2.75-18 3.00-18

Riverside 250 Mojave  x     245cc 4M4T250/1 3.00-18 3.25-18

 


1968 Benelli

1968 Benelli Ad

1967-68 Benelli

1968

Benelli    model name xxxxxx  size  engine 000  front  tires  rear
Benelli 50 Dynamo Compact
   49cc 4M2T50/1   3.50-8   3.50-8
Benelli 50 Fireball
xxxxxxxxx  49cc 4MS2T50/1 2.25-18 2.25-18
Benelli 50 Fireball Trail xxxxx  49cc 4MS2T50/1 2.50-19 2.75-17?
Benelli 125 Cobra xxxxxxxx  124cc 4M2T125/1 2.75-18 3.00-18
Benelli 125 Cobra Scrambler 124cc 4M2T125/1 2.75-18 3.00-18
Benelli 125 Sprite xxxxxxxx  124cc 4M4T125/1 2.75-18 2.75-18

1968-69
El Diablo

1968 Benelli

1968 Wards

Benelli 125 Sprite California  124cc 5M4T125/1 2.75-18 2.75-18
Benelli 250 Barracuda xxxx   245cc 4M4T250/1 3.00-18 3.25-18
Benelli 250 Barracuda Calif.   245cc 5M4T250/1 3.00-18 3.25-18
Benelli 650 Tornado xxxxxx   643cc 5M4T650/2 3.50-18 4.00-18
Riverside 450-SS sport bike  49cc 4MS2T50/1   2.25-18 2.25-18
Riverside 125 Lightweight x  124cc 4M2T125/1 2.75-18 3.00-18

Riverside 260 Mojave xxx     245cc 4M4T260/1 3.00-18 3.25-18
Riverside 360 Mojave xxx     356cc 4M4T360/1 3.00-18 3.25-18

        Late 1968, Sprite and Barracuda renamed to El Diablo.
Benelli 125 El Diablo  xxxxx 124cc 4M4T125/1 2.75-18 3.00-18?
Benelli 125 El Diablo  xxxxx 124cc 5M4T125/1 2.75-18 3.00-18?
Benelli 200 El Diablo  xxxxx 198cc 4M4T200/1 3.00-18 3.25-18
Benelli 250 El Diablo  xxxxx 245cc 4M4T250/1 3.00-18 3.25-18
Benelli 250 El Diablo  xxxxx 245cc 5M4T250/1 3.00-18 3.25-18

1967 Benelli Dynamo Compact

1968 Dynamo Compact
4M engine

ID for that 1967

ID prefix CES

1968 Benelli Dynamo Compact Shop Manual

’68 D. Compact

1968 Dyn. Compact
4M engine

 

 

 

 

 

 

 

 


1969 Penneys Ad

1969 Penneys

1969 Benelli

1969

Benelli    model name xxxx  size  engine 000  front  tires  rear
Benelli 50 Buzzer
 xxxxxxxx  49cc GK2T50/1   3.00-5   3.50-5
Benelli 50 Dynamo Compact 49cc 4M2T50/1   3.50-8   3.50-8
Benelli 50 Dynamo Trail   xx 49cc 4MS2T50/1 3.00-10 3.00-10
Benelli 65 Hornet  xxxxxxxx 59cc GK652T/1   2.50-7   2.50-7
Benelli 50 Super Mini xxxxx 49cc 4MS2T50/1 2.25-14 2.50-14?
Benelli 50 Maverick, xxxxxx 49cc GM2T50/1   2.25-16 2.25-16
Benelli 125 Cobra xxxxxxx 124cc 4M2T125/1 2.75-18 3.00-18
Benelli 125 El Diablo  xxxx 124cc 4M4T125/1 2.75-18 3.00-18?

Benelli Mini Cycle Tires

Benelli Mini Cycle Tires

Benelli 125 El Diablo  xxxx 124cc 5M4T125/1 2.75-18 3.00-18?
Benelli 200 El Diablo xxxx  198cc 4M4T200/1 3.00-18 3.25-18
Benelli 250 El Diablo  xxxx 245cc 4M4T250/1 3.00-18 3.25-18
Benelli 250 El Diablo  xxxx 245cc 5M4T250/1 3.00-18 3.25-18
Benelli 650 Tornado xxxx   643cc 5M4T650/2 3.50-18 4.00-18
Riverside 125 Lightweight  124cc 4M2T125/1 2.75-18 3.00-18
Riverside 260 Mojave xx    245cc 4M4T260/1 3.00-18 3.25-18
Riverside 360 Mojave xx    356cc 4M4T360/1 3.00-18 3.25-18

1969 Maverick 
GM engine

1969 Buzzer
GK engine

1969 Benelli Dynamo Compact

1969 D. Compact
4M engine

Benelli Dynamo Compact

’69 D. Compact
4M engine

1969 Benelli Dynamo Scrambler

1969 Dynamo Trail
4M engine

 

 

 

 

 

 

 

 


early 1970 Benelli

1970 Penneys

1970

Benelli    model name xx size  engine  000 front  tires  rear
Benelli 65 Buzzer
 xxxxxx 59cc GK652T/1  3.00-5   3.50-5
Benelli 65 Buzzer Junior  59cc GK652T/1   3.00-5   3.50-5
Benelli 65 Hornet xxxxx  59cc GK652T/1   2.50-7   2.50-7
Benelli 65 Dynamo Trail 59cc 4M652T/1   3.00-10 3.00-10
Benelli 65 Dyn. Compact 59cc 4M652T/1   3.50-8   3.50-8
Benelli 65 Woods Bike x  59cc 4M652T/1   3.00-10 3.00-10
Benelli 65 Cougar xxxxx  59cc 4M652T/1   2.50-18 2.75-17 

late 1970 Benelli

Benelli 180 Volcano  xxx170cc 4M2T175/1 3.00-10 3.00-10
Benelli 125 Cobra Trail   124cc 4M2T125/1 2.75-19 3.00-18?
Benelli 125 Sprite xxxx  124cc 5M4T125/1 2.75-18 2.75-18
Benelli 200 El Diablo xx 198cc 4M4T200/1 3.00-18 3.25-18
Benelli 250 Super Sport 245cc 4M4T250/1 3.00-18 3.25-18
Benelli 650 Tornado xx  643cc 5M4T650/2 3.50-18 4.00-18

In late 1970 the El Diablo name went back to Sprite.

1970 Buzzer ID plate

1970 Buzzer 65
GK65 engine
frame# prefix PES

1970-benelli-dynamo-trail

1970 Dynamo Trail
4M65 engine

 

 

 

 

 

 

 


1971 Benelli

1971 Benelli

1971

Benelli    model name xx size  engine  000 front  tires  rear
Benelli 65 Buzzer 
xxxx  59cc GK652T/1  3.00-5   3.50-5
Benelli 65 Buzzer Jr xxx 59cc GK652T/1  3.00-5   3.50-5
Benelli 65 Hornet  xxx x 59cc GK652T/1  2.50-7   2.50-7
Benelli 65 Hurricane   x  59cc GK652T/1  3.00-7   3.00-7
Benelli 65 Dynamo Trail59cc 4M652T/1  3.00-10 3.00-10
Benelli 65 Woodsbike x  59cc
4M652T/1  3.00-10 3.00-10
Benelli 65 D. Compact    59cc 4M652T/1  3.50-8   3.50-8
Benelli 65 Mini Enduro   59cc 4M652T/1  2.50-14 2.75-14?

1971 Penneys

Mini Enduro

Benelli 65 Cougar xxxx  59cc 4M652T/1  2.50-18 2.75-17 
Benelli 180 Volcano x   170cc 4M2T175/1 3.00-10 3.00-10
Benelli 125 Cobra Trail 124cc 4M2T125/1 2.75-19 3.00-18?
Benelli 175 Enduro  xx 170cc 4M2T175/1 2.75-19 3.00-18?
Benelli 250 Supersport 245cc 5M4T250/1 3.00-18 3.25-18
Benelli 650 Tornado     643cc 5M4T650/2 3.50-18 4.00-18

1971 Hurricane
GK65 engine

1971 Hornet
GK65 engine

1971 Dynamo Woodsbike

1971 Woodsbike
4M65 engine

 

 

 

 

 

 

 


1972 Benelli

1972

Benelli    model name xx size  engine  000 front  tires  rear
Benelli 65 Buzzer  xx    59cc GK652T/1  3.00-5   3.50-5
Benelli 65 Buzzer Jr      59cc GK652T/1  3.00-5   3.50-5
Benelli 65 Dynamo II    59cc 4M652T/1  3.00-10 3.00-10
Benelli 65 Compact II   59cc 4M652T/1  3.50-8   3.50-8
Benelli 65 Woods II      59cc 4M652T/1  3.00-10 3.00-10
Benelli 65 Hurricane     59cc GK652T/1  2.50-7   2.50-7
Benelli 65 Mini Enduro  59cc 4M652T/1  2.50-14 2.75-14?
Benelli 65 Cougar xxxx 59cc 4M652T/1  2.50-18 2.75-17
Benelli 180 Volcano     170cc 4M2T175/1 3.00-10 3.00-10

1972 Dynamo II

Benelli Volcano 180cc mini bike

1972 Benelli Volcano

Benelli 175 Enduro  xx 170cc 4M2T175/1 2.75-19 3.00-18?
Benelli 250 Supersport 245cc 5M4T250/1 3.00-18 3.25-18
Benelli 650 Tornado     643cc 5M4T650/2 3.50-18 4.00-18

In 1972 the Dynamo gas tank and seat were improved
with a better appearance, making it blend in to the seat. 

The 1972 Volcano shown was restored by C. Smolen
It’s a 175cc 4-spd, 14hp, 65mph. Only 200 were made.

 

 

 

 


1973 Benelli

1973 Banshee, Panther

1973

Benelli    model name xx size  engine  000 front  tires  rear
Benelli 65 Buzzer xxxxx 59cc GK652T/1 3.00-5   3.50-5

Benelli 65 Dynamo II
 x  59cc 4M652T/1 3.00-10 3.00-10
Benelli 65 Mini Enduro   59cc 4M652T/1 2.50-14 2.75-14?

Benelli 90 Banshee xxx 89cc 5M2T90/1 2.75-18 3.00-18?
Benelli 125 Panther xx 124cc 5M2T125/1 2.50-21 3.80-18
Benelli 250 Phantom x 231cc 5M2T250/2 3.00-18 3.25-18
Benelli 650 Tornado  x 643cc 5M4T650/2 3.50-18 4.00-18

 

 


1974 Benelli 3FA,  short for
versione 3 Frizone Automatico

1974

Benelli    model name xx size  engine  000 front  tires  rear
Benelli Moped 3FA  xxx   49cc FA2T50/1   2.25-16 2.25-16
Benelli Moped 3VK  xxx  49cc 3VK2T50/1 2.25-16 2.25-16
Benelli 65 Dynamo Trail  59cc 4M652T/1  3.00-10 3.00-10
Benelli 90 Banshee  xxx  89cc 5M2T90/1 2.75-18 3.00-18?
Benelli 125 Panther xx 124cc 5M2T125/1 2.50-21 3.80-18

1974 Benelli Dynamo II

1974 Dynamo Trail
4M65 engine

Benelli 250 Phantom x 231cc 5M2T250/2 3.00-18 3.25-18 30hp 100mph
Benelli 650 Tornado  x 643cc 5M4T650/2 3.50-18 4.00-18

 

 

 

 

 

 


1975 Benelli Ad

1975 Benelli

1975 Benelli 3FA

1975

Benelli    model name xx size  engine  000 front  tires  rear
Benelli Moped 3FA
 xxx   49cc FA2T50/1   2.25-16 2.25-16
Benelli Moped 3VK  xxx  49cc 3VK2T50/1 2.25-16 2.25-16
Benelli 65 Dynamo Trail  59cc 4M652T/1  3.00-10 3.00-10
Benelli 90 Banshee  xxx  89cc 5M2T90/1 2.75-18 3.00-18?

Benelli 250 Phantom  x 231cc 5M2T250/2 3.00-18 3.25-18
Benelli 500 Quattro  xx 499cc 5M4T500/4 3.25-18 4.10-18

In 1975, the Dynamo II went back to being called Dynamo Trail.

 

 


1976 750 Sei

1976 50 Sprint

’76 50 Sprint

1976

Benelli     model name xx size  engine  000 front  tires  rear
B
enelli 50 Blazer xxxxxxx 49cc G22T50/1   2.25-16 2.25-16
Benelli 50 Sprint xxxxxxx 49cc 5MS2T50/1
 2.25-18 2.25-18
Benelli 65 Dynamo
xxxxx  59cc 4M652T/1  3.00-10 3.00-10

Benelli 90 Banshee xxxx   89cc 5M2T90/1 2.75-18 3.00-18?
Benelli 250 Phantom xx  231cc 5M2T250/2 3.00-18 3.25-18
Benelli 500 Quattro xxx  499cc 5M4T500/4 3.25-18 4.10-18
Benelli 750 Sei xxxxxxx  747cc 5M4T750/6 3.25-18 4.10-18

 


1977 Benelli

1977 Benelli Blazer

1977

Benelli    model name xxxsize  engine  000 front  tires  rear
Benelli 50 Blazer xxxxxxx 49cc G22T50/1   2.25-16 2.25-16
Benelli 65 Dynamo xxxx  59cc 4M652T/1  3.00-10 3.00-10

Benelli 250 Phantom xx  231cc 5M2T250/2 2.75-18 3.00-18
Benelli 500 Quattro xxx  499cc 5M4T500/4 3.25-18 4.10-18
Benelli 650 Tornado xxx  643cc 5M4T650/2 3.50-18 4.00-18
Benelli 750 Sei xxxxxxx  747cc 5M4T750/6 3.25-18 4.10-18

 

 

 


1978 500/4 and 750/6

1978

Benelli    model name xxxsize  engine  000 front  tires  rear
Benelli 50 G2 xxxxxxxxxx 49cc G22T50/1   2.25-16 2.25-16
Benelli 250 Phantom xx  231cc 5M2T250/2 2.75-18 3.00-18
Benelli 500 Quattro xxx  499cc 5M4T500/4 3.25-18 4.10-18
Benelli 750 Sei xxxxxxx  747cc 5M4T750/6 3.25-18 4.10-18
Moto Guzzi 50 Robin xxx 49cc G22T50/1   2.25-16 2.25-16

1977 Benelli G2

1978 Benelli G2

1978-80 Benelli G2

1978 Guzzi Robin

 

 

 

 

 

 


1979 Benelli G2
restored by B. Small

1979 Benelli G2

1979

Benelli    model name xxxsize  engine  000 front  tires  rear
Benelli 50 G2 xxxxxxxxxx 49cc G22T50/1   2.25-16 2.25-16
Benelli 250 Phantom xx  231cc 5M2T250/2 2.75-18 3.00-18
Benelli 504 Sport xxxxx  499cc 5M4T500/4 3.25-18 4.10-18
Benelli 750 Sei xxxxxxx  747cc 5M4T750/6 100/90-18 120/90-18
Benelli 900 Sei xxxxxxx 906cc 5M4T900/6 100/90-18 120/90-18
Moto Guzzi 50 Robin xxx 49cc G22T50/1   2.25-16 2.25-16

In 1979 the 500 Quattro got a disc brake, mag wheels, and was renamed 504 Sport


1980 Moto Guzzi

1980

Benelli    model name xxxsize  engine  000 front  tires  rear
Benelli 50 G2 xxxxxxxxxx 49cc G22T50/1   2.25-16 2.25-16
Benelli 504 Sport xxxxx  499cc 5M4T500/4 3.00S18 3.50S18
Benelli 900 Sei xxxxxxx  906cc 5M4T900/6 100/90-18 120/90-18
Moto Guzzi 50 Robin xxx 49cc G22T50/1   2.25-16 2.25-16

 

 


1981

Benelli    model name xxxsize  engine  000 front  tires  rear
Benelli 50 G2 xxxxxxxxxx 49cc G22T50/1   2.25-16 2.25-16
Benelli 50 C2 long seat xx 49cc G22T50/1   2.25-16 2.25-16
Benelli 254 Quattro xxx  231cc 5M4T250/4 2.75-18 3.00-18

Benelli 504 Sport xxxxx  499cc 5M4T500/4 3.00S18 3.50S18
Benelli 900 Sei xxxxxxx  906cc 5M4T900/6 100/90-18 120/90-18

 

 


1983 Benelli 900 Sei

1982 to 1985

Benelli    model name xxxsize  engine  000 front  tires  rear
Benelli 50 G2 xxxxxxxxxx 49cc G22T50/1   2.25-16 2.25-16
Benelli 50 C2 long seat xx 49cc G22T50/1   2.25-16 2.25-16
Benelli 900 Sei xxxxxxx 906cc 5M4T900/6 100/90-18 120/90-18

After 1982, two-stroke on-road over-50cc new motorcycle sales were not allowed in the US. 

 

 


1988 Benelli 900 Sei

1986 to 1988

Benelli    model name xxxsize  engine  000 front  tires  rear
Benelli 900 Sei xxxxxxx 906cc 5M4T900/6 100/90-18 120/90-18

 

 

 


1989 to 1999

No USA models


2000 Tornado 900S

2000 to 2007

Benelli    model name xxx  size  engine  000 front  tires  rear
Benelli 900S Tornado Tre  898cc 6M4T900/3 120/70-17 190/50-17

During the ten years of Benelli absence in the USA, motorcycle technology improved. The 1988 Sei 900 had 80hp, while the 2000 Tornado 900 had 140hp, 75% more powerful, despite having half as many cylinders! 

 


2008

Benelli    model name xxxxxx xxx xxx xxxx size  engine  000 front  tires  rear
Benelli 900 Tornado Naked Tre xxxxxxxx     898cc 6M4T1130/3 120/70-17 180/55-17

Benelli 1130 Tornado Tre xxxxxx xxxx xxx 1131cc 6M4T1130/3 120/70-17 190/50-17
Benelli 1130 Tre K Totnadoxxxx xxx xxxxx 1131cc 6M4T1130/3 120/70-17 180/55-17
Benelli 1130 Tornado Naked Tre Sport Evo 1131cc 6M4T1130/3 120/70-17 180/55-17 or 200/55-17

The 2009 and all other years Benelli USA models and specs can be viewed at totalmotorcycle.com.

 

 


C. Benelli Worldwide

 

Here the model names are color coded, red for US, blue for UK, green for others.

 


C1. Benelli models with FA engines 1960?-75

49cc vertical cylinder 1-speed automatic clutch.

FA engine (Frizone Automatico) engine had an upright slanted forward cylinder, not horizontal like the GM or G2 motor. It was rounded everywhere, not mostly square like the 1970’s motors. The pedals were part of the motor unit, not separate like on the G2.

Wards Riverside

’65-69 Wards Riverside

1960's Benelli moped engine

’60’s Benelli FA engine

The 1965-69 Wards Riverside 150D and 250D mopeds and the 1974-75 Benelli 3FA moped had FA engines. The left grip was a twist grip that operated the starting clutch. Normally the bike is in pedal mode. Twist the left grip back to engage the motor for starting. Once started it is under automatic clutch control, engaged above 10mph and in neutral below about 5mph. The hand levers are hand brakes, left rear and right front. The controls are early Domino. Throttle is a wrap-around type.

 

 

Wards Riverside cylinder and piston

Wards Riverside cylinder and piston

17x12x18 Benelli

The Benelli FA and M4 cylinders are the same as the Benelli M4S cylinder on the 50cc Fireball, except the porting. The Fireball cylinder has a 17mm (for the Dellorto UA16 carb) intake port at the flange, while the FA (and M4?) have a 10mm intake port hole (for a Dellorto 14/9 carb). The exhaust port is taller and wider on the Fireball. The transfer ports and intake port are also wider and maybe taller.

The 1960’s Benelli FA, M4 and M4S piston is the same as the 1970’s Benelli G and G2 piston. They are all 40.0mm bore, 39 stroke, and use the same rings 40 x 1.5 FG. The exhaust has a screw-on mount, with M34-1.5 male thread on the exhaust, female on the cylinder.

 

Benelli FA engine

 

 


C2. Benelli models with GM, GK engines 1967-73

49cc horizontal cylinder 1-speed, automatic clutch.

1967 Gentlemen moped
GM engine, 2.25-16 tires

Benelli GM engine 49cc (40 x 39mm)

1965 Gentlemen moped
GM engine, 2.25-16 tires

 

 

 

 

 

 

GM engine (Gentlemen Monomarcia 49cc) is on the a 1960’s Benelli Gentlemen (Italy model), father of the Benelli G2. It is also on the 1969 Benelli Maverick (US model), a front-gas-tank version of the Gentlemen. Notice the spelling of Gentlemen, not Gentleman. It has a Dansi MDP44 magneto and front-facing Dellorto SHA 14/9 carburetor. The GM does not have internal pedals. Instead both motor and pedal chains are on the left side, very unusual.

GK (Gentlemen Kickstart 49cc) engines are on US-model mini-cycles. The kick models do not have pedals or a pedal chain. These have Dansi ADP244S magnetos and front-facing carburetors, Dellorto SHA 14/12. The GK and GK-65 engines have a two-piece transmission cover, different than a GM one-piece.

The Gentlemen had a left-side start lever, below the brake lever, instead of a left twist grip start control like the 1965-69 Wards Riverside had. It is visible in the photo. So it’s in bicycle mode all the time, until you pull the start lever.

 


C3. Benelli models with GK65 engines 1970-73

59cc horizontal cylinder 1-speed, automatic clutch.

Benelli GK65 engine 59cc (44 x 39)

GK65 engine: (Gentlemen Kickstart 59cc) engines are on US-model mini-cycles. The model names say “65” but the actual size was 59cc, not 65cc. The kick models do not have pedals or a pedal chain.

These have Dansi ADP244S magnetos and front-facing carburetors, Dellorto ME15BS? 

 

 

 

 

 


C4. Benelli models with G2, G2K engines 1974-80

49 or 59cc horizontal cylinder 1-speed, automatic clutch.

G2 engine: (Gentlemen Due 49cc) is on US models 1977-80 Benelli G2, 1976-77 Benelli Blazer, 1978-80 Moto Guzzi, and 1977-80 Moto Guzzi Robin. The G2 engine is a an improved/modernized GM engine, a 25mph horizontal cylinder one-speed automatic, with a Dellorto 9mm sipping straw. The US models all have the same wheels and dual-left-chain drive. The G2 engine is also on UK models 1974-80? Motorella, 1974-80? G2, 1978-80? G2 Elle, 1978-80? G2K .

Benelli G2 engine 49cc (40 x 39mm)

Dual left chain drive

G2 dual left chain drive

 

 

 

 

 

 

 

Benelli G2-USA specs:  40mm piston with same vertical dimensions as Morini, 8.5 comp. ratio, 25mph, 1.5hp at 4400rpm, 150mpg. sprockets 12 x 46T, trans oil 4 oz of 10w40 motor oil, fill plug on lower right is also oil level check plug, cables are all single-ended, seat post 25.0 x 22mm

PV controlsVeglia smallBenelli G2-USA components: 2.25-16″ tires, Benelli one speed automatic engine, Dellorto SHA 14/9 carburetor, #44 jet. Dansi 101813 magneto (external ignition ground type). CEV 2139 bullet head light, CEV 9400.2 tail light (with resistor for external ignition ground magneto), CEV plastic slide clamp-on switches, PV controls, Grimeca hubs (rear hub is special, has both chains on left side, Benelli only) and brakes, 11mm axles, Veglia speedometer with LH driver, 12×1 female gas valve with special long detachable handle-shaft that goes through a hole in the side panel.

G2 means Gentlemen Due. It supersedes the 1960’s Gentlemen. The Benelli G2 and the Moto Guzzi (mono-tube-frame) are identical twins. See Moto Guzzi.

Like the GM, the G2 engine does not have built-in pedals. The external pedal system is unusual with both pedal and motor chains on the left side. Most bicycle chains are on the right side, so a special reverse or “left hand” freewheel is required.

The Benelli Blazer is made by Motobi. It is like a G2 but with a standard tube frame with separate gas tank. The European version is called Benelli Bobo.

Here is a English language 1978 Benelli Service Manual (UK models 50-125cc) a PDF download for the mopeds below and others. Euro models have a Dansi 101662 magneto. Euro models with brake light have Dansi 101813. US models (all with brake light) have Dansi 101441 or 101813.

1978 Benelli Motorella
40 x 39, 1.3hp, 8.5cr
gears 22/70
sprockets 11/46

1978 Benelli G2
40 x 39, 1.37hp, 8.0cr
gears 21/71
sprockets 12/46

1978 Benelli G2 Elle
40 x 39, 1.36hp, 7.9cr
gears 22/70
sprockets 9/48

1978 Benelli G2 KS
40 x 39, 1.36hp, 7.9cr
gears 22/70
sprockets 9/48

 

 

 

 

 

 

 

 

 

 


Benelli G2 Engine Parts

Here two Benelli parts manuals Blazer and G2 are combined by using two quantity columns B and G.
Two Moto Guzzi models ’76-77 Robin (Chiu) and ’78-80 Robin (G2) have the same engines B and G.
Three Benelli part number versions, here called 1970#, 1976# and 1978#, are possible for every part.
The 1976-77 Blazer manual lists 1970# and 1976#. The 1978-80 G2 manual lists 1970# and 1978#.
Combining all three part numbers in one list makes this also a Benelli# conversion chart.

1976-77 Blazer
qty column B

76-77 Moto Guzzi Robin
quantity column B

1978-80 G2
qty column G

78-80 Moto Guzzi Robin
quantity column G

 

 

 

 

 

 

 

 

 

engine case and shafts

00# 000  1976# 0000  1978# 00  qty
00
# 000  1976# 0000  1978#
00  BG  price 0 1970# 00000 description        specs
00
000.000.0.799 71.80.15.25 00$$.$$G 0000000 start cable
0
B1  239.127.0.799 00.00.00.00 010  $$.$$FA3706/8   start cable B
00225.005.0.815 48.80.18.70 011  $$.$$G7191 000 start cable cap goes in cover
00326.044.0.799 48.80.25.70 011  $$.$$G10 00000 start cable coil spring
00438.001.0.817 48.09.39.70 011  N/A     G7947/C 0 start lever-shaft ∅11
00901.032.0.200 90.70.61.07 011  $$.$$G4 000000 start shaft seal ring
00314.012.0.832 48.08.76.70 011  $12.0G7948 000 start lever inner
00904.009.0.100 90.27.10.11 011  $1.50G7949 000 start shaft circlip 11 x 1.0 (∅10)
00247.038.0.826 48.00.16.70 011  N/A     N8 000000 clutch cover
00982.048.0.126 98.62.03.30 055  $0.80 ‌MU1224 0  cover screw M6 x 30 allen

engine case and cover

010  982.051.0.126 98.62.03.45 011  $1.00 ‌MU3732 0  cover screw M6 x 45 allen
011  328.127.0.799 48.01.55.81 022  N/A     G 0000000 Benelli emblem
013  917.043.0.125 98.05.23.30 011  $0.60 ‌H8103 000 cover and ex. bolt M6 x 30 hex
014  970.021.0.149 95.02.11.06 011  $0.25 ‌G 0000000 toothed washer ∅6
015  221.010.0.799 39.01.88.00 011  $$.$$UI189 000  oil filler and check plug
016  383.010.0.799 90.71.41.26 011  $$.$$L418 0000  check plug gasket
017  916.074.0.125 98.05.43.10 011  $$.$$MU234 00   oil drain plug
018  287.137.0.799 90.71.40.62 011  $$.$$L419 0000  drain plug gasket
019  201.030.0.832 48.08.55.70 011  $6.00G373 0000 start clutch push rod ∅5 x 25
020  383.027.0.799 48.08.64.70 011  $1.50G369 0000 start clutch washer ∅5 ∅11.5 x 0.5
021  203.043.0.799 71.08.32.00 011  N/A     G418 0000 starter disk ring

Adler clutch

022  000.000.0.000 71.08.28.00 001  N/A     G 0000000 starter disk
B22  263.072.0.799 00.00.00.00 010  N/A     G415 0000 starter disk B
023  264.026.0.799 92.70.11.13 011  $$.$$N161 0000 clutch nut
024  000.000.0.000 71.08.00.25 001  N/A     G 0000000 Adler clutch assy
B24  272.002.0.799 00.00.00.00 010  N/A     G 0000000 Rimoldi (B) clutch assy
025  000.000.0.000 71.08.17.00 001  N/A     G 0000000 clutch housing w/puller threads
B25  774.012.0.799 00.00.00.00 010  N/A     G374/1 00  clutch housing B w/puller threads
026  904.013.0.100 90.27.10.15 011  $1.50 MU3813 0  circlip external type ∅15
027  378.016.0.799 48.06.68.70 011  $$.$$G5 000000 washer
028  000.000.0.000 71.08.44.25 00N/A     G 0000000 clutch drum
B28  793.042.0.799 00.00.00.00 020  N/A     G7944/100 adjustment screw B
029  000.000.0.000 71.08.20.00 00N/A     G 0000000 clutch shoe-weight
B29  764.001.0.799 00.00.00.00 020  N/A     00 000000 clutch shoe-weight B
030  000.000.0.000 71.08.41.00 00$12.0 G 0000000 circular coil spring
B30  759.025.0.799 00.00.00.00 020  N/A     G7944/300 spring B
031  000.000.0.000 71.08.26.00 00N/A     G 0000000 triangular spring plate
B31  904.008.0.100 00.00.00.00 020  N/A     MU815300 circlip B
032  000.000.0.000 48.80.24.70 00$$.$$M277 0000 start cable pinch bolt
B33  719.004.0.799 00.00.00.00 01N/A     G416/1000 clutch drum B
034  300.028.0.815 48.07.04.70 011  N/A     G2 000000 drive gear
035  218.034.0.815 48.07.03.70 011  $$.$$G3 000000 clutch drum bushing 15-??-??
036  218.037.0.815 48.08.38.70 011  $$.$$N18 00000 clutch spacer with lip 15-20-??
038  264.024.0.799 48.21.92.70 011  $$.$$L837  0000 drive shaft nut
039  300.029.0.815 48.21.58.70 011  N/A     N21 00000 driven gear
040  903.030.0.100 90.27.20.35 011  none   N12 00000 circlip internal type ∅35
041  922.008.0.100 92.20.11.17 011  $10.0 ‌MU7038/1  right drive shaft bearing #6003 17-35-10
042  958.009.0.143 91.70.13.50 022  $$.$$MU164 00  drive shaft woodruff key
043  200.013.0.815 48.21.36.70 011  N/A     N19 00000 drive shaft
044  922.015.0.100 82.20.12.15 011  $8.00 ‌MU86/1 00 left drive shaft bearing #6202 15-35-11
045  900.119.0.200 90.40.25.35 011  $5.00 ‌N34 00000 drive shaft seal 25-35-7
046  303.008.0.815 48.33.05.70 011  N/A     N20/1 000 sprocket 12 tooth
047  264.023.0.799 92.70.11.22 011  $$.$$U124 0000 sprocket nut
048  982.052.0.126 98.62.03.50 066  $1.00MU1230  case bolt M6 x 50 allen
049  982.053.0.126 98.62.03.55 011  $1.20 ‌G 0000000  case bolt M6 x 55 allen
050  287.045.0.799 48.00.17.70 011  $7.00N25 00000 trans cover gasket
051  235.008.0.815 48.00.11.70 011  N/A     N3 000000 right case half
052  368.022.0.815 35.00.20.00 011  $$.$$G507 0000 centering dowl-tube ∅11
053  900.090.0.200 90.40.20.35 011  none   ‌N33 00000 right crank shaft seal 20-35-8 use 20-35-7
S53  000.000.0.000 90.40.20.35S 11  $7.00 ‌G 0000000 substitute seal 20-35-7
054  922.014.0.100 92.20.12.16 022  $12.0 ‌MU86 000  L and R crank bearing #6202C3 15-35-11
055  958.007.0.143 91.60.03.37 011  $$.$$MU3817 00clutch woodruff key
056  425.013.0.815 48.00.11.70 011  N/A     N159 0000 right crank half
057  370.009.0.815 48.06.50.70 011  N/A     G633 0000 crank pin
058  215.021.0.815 48.06.16.70 011  N/A     G628 0000 con rod
059  290.006.0.799 92.25.22.21 011  N/A     G327 0000 rod bearing
060  425.015.0.815 48.06.43.70 011  N/A     N136 0000 left crank half
061  958.006.0.143 91.60.02.38 011  $$.$$G7274 000 flywheel woodruff key
062  900.051.0.200 90.40.15.36 011  none   ‌N11 00000 left crank seal 15-35-10 use 15-35-7
S62  000.000.0.799 90.40.15.36S 11  $7.00 ‌G 0000000 substitute seal 15-35-7
063  287.044.0.799 48.00.09.70 011  $7.00N24 00000 case gasket
064  287.138.0.799 90.71.40.80 011  $$.$$L493 0000 vent ring gasket
065  000.000.0.000 48.00.46.71 011  N/A     L492 0000 transmission case vent
066  288.059.0.799 91.55.10.70 011  N/A     UI281 000 magneto wires grommet
067  235.010.0.815 48.00.08.70 011  N/A     N2 000000 left case half
068  983.042.0.125 98.20.04.10   33  $1.30 MU1147 0  stator plate screw M4 x 10 slot
069  984.075.0.125 98.28.06.14 033  none   N7 000000 screw M6 x 14 slot-sunk
070  247.036.0.815 48.00.04.70 011  N/A     N6 000000 magneto cover base
071  000.000.0.000 71.71.24.25 00N/A    G 0000000  magneto assy 1978-80 G2 (USA) Dansi 101813
071  000.000.0.000 00.00.00.00 000  N/A    G 0000000  magneto ’78-80 G2, Bobo (Euro) Dansi 101662?
B71  000.000.0.000 48.71.24.90 010  N/A    G 0000000  magneto assy ’76-77 Blazer (US) Dansi 101441
071  427.027.0.799 00.00.00.00 000  N/A    N14 00000  magneto ’70-77 G2, Bobo (Euro) Dansi MDP44
071  and 101-111  see Dansi Magnetos
072  971.301.0.210 95.10.12.75 011  $0.20 ‌UI7091  00 plain washer 8 ∅14
073  970.029.0.149 95.02.11.09 011  $0.50 ‌N28 00000 toothed washer 8
074  000.000.0.000 48.71.95.70 00$7.50G 0000000 flywheel nut M8-1.0 x 16 hex14x6 ∅13×10
B74  264.025.0.799 00.00.00.00 01N/A   UI7090 000 flywheel nut M8-1.0 x 14 hex14x6 ∅13×8?
S74  000.000.0.000 48.71.95.70S 0$5.00G 0000000 substitute nut M8-1.0 plus spacer ∅13×8

075  247.027.0.820 48.00.03.71 011  N/A   G7775 000  magneto cover aluminum 126 id
076  288.086.0.799 00.00.00.00 000  N/A    G 0000000  plug for internal-spark magneto MDP44 ?

077  290.003.0.799 92.25.20.12 011  $9.00LB157 000 piston needle bearing 12-15-15
078  397.007.0.815 48.06.12.70 011  $7.00LB156 000 piston pin ∅12 x ?
079  903.007.0.100 90.27.20.12 022  $1.00MU339 00  piston clip ∅12
080  000.000.0.000 70.06.04.00 001  N/A     G7346 000 piston bare dome top hi-comp use #100
B80  356.063.0.799 00.00.00.00 010  N/A     N257 0000 piston bare  flat top  lo-comp  use #100
081  208.010.0.799 48.06.08.70 022  $10.0 ‌G7347/S 0  piston ring Std 40.0 x 1.5 GN
081  700.007.0.799 48.06.08.72 022  N/A     G7347/S2   piston ring 1os 40.2 x 1.5 GN
081  700.008.0.799 48.06.08.74 022  N/A     G7347/S4   piston ring 2os 40.4 x 1.5 GN
081  700.009.0.799 48.06.08.76 022  N/A     G7347/S6   piston ring 3os 40.6 x 1.5 GN

082  287.043.0.799 48.02.08.70 011  $9.00N23 00000 base gasket
083  234.063.0.815 48.02.03.70 011  $$.$$G321 0000 cylinder
084  359.138.0.799 96.50.61.05 044  $4.00 ‌G7483 000 cylinder stud M6 x 105
085  967.036.0.110 95.00.02.06 044  $0.20 ‌MU322 000 head washer ∅6
086  935.017.0.116 92.60.22.06 066  $0.40 ‌MU280 000 head & ex. nut M6
087  287.009.0.799 48.02.20.70 011  $12.0G7010 000 head gasket
088  400.038.0.815 48.02.24.70 011  N/A     N322 0000 head
089  928.008.0.200 35.71.70.00 011  $3.00G 0000000 spark plug W175T2 = W7C = NGK B6ES
090  000.000.0.799 48.11.59.70 022  $6.00G7015/100 intake gasket
091  000.000.0.799 48.11.55.70 011  N/A     N15 00000 intake spacer
092  000.000.0.000 48.11.50.70 00$$.$$N24 00000 intake pipe
B92  232.011.0.799 00.00.00.00 010  N/A     N27 00000 intake pipe
093  982.046.0.126 98.62.23.20 022  $0.70 ‌MU8034 00 intake screw M6 x 20 allen
094  000.000.0.000 71.11.26.11 001  N/A     G 000000  carburetor assy Dellorto SHA 14/9 jet 44
B94  239.048.0.799 00.00.00.00 010  N/A     G 000000  carburetor assy Dellorto SHA 14/9 jet 45
095  359.108.0.799 96.50.60.26 022  $2.00UI7496  exhaust stud M6 x 26
096  968.011.0.249 61.01.38.00 022  $0.25 ‌MU18 000  exhaust washer ∅6
097  287.046.0.799 48.12.03.70 011  $6.00N30 0000  exhaust gasket
098  000.000.0.000 00.00.00.00 00 $70.0000 0000  long 2-piece exhaust
B98  392.004.0.715 00.00.00.00 010  N/A     N251/100  pancake exhaust
099  712.002.0.799 48.06.14.70 011  N/A     G628/A connecting rod assy
100  000.000.0.000 70.06.02.20 00$65.0G7346/C    piston assy Std 40.0 x 17-12-18 GOL
800  000.000.0.000 70.06.02.22 00N/A     G7346/C2  piston assy 1os 40.2 x 17-12-18
080  000.000.0.000 70.06.02.24 00N/A     G7346/C4  piston assy 2os 40.4 x 17-12-18
800  000.000.0.000 70.06.02.26 00N/A     G7346/C6  piston assy 3os 40.6 x 17-12-18

113  223.013.0.818 48.06.40.70 00N/A     N325 0000 crankshaft assembled

 

 

 

 

 


C5. Benelli models with 3V, 3VK engines

49cc vertical cylinder 3-speed grip-shift, manual clutch.

1978 Benelli Magnum 3V

1978 Benelli Export 3V

 

 

 

 

 

 

 

 

 

3VK engine takes M6 x 107 cylinder studs


1969 Benelli Parts Catalog Dynamo Compact 50cc Dynamo Trail 50cc Dynamo Woodsbike 50cc

1968-69 Dynamo

C6. Benelli models with 4M, 4MS engines 1965-69

49cc vertical cylinder 4-speed foot-shift, manual clutch.

1960's Benelli 50cc 4-speed foot shift, "mild" version with Dellorto SHA carb

Left 4M, right 4MS, 16 intake

1969 Benelli Dynamo Trail 50 engine

4MS engine

 

 

 

 

 

4M engine: The 4M has a mild cylinder, with shorter and narrower ports, a 12mm ID intake, and a smaller 12mm Dellorto SHA 14/12 side-draft carburetor.

The 4M engine was on the 1968-69 Benelli Dynamo Compact. M means marce, Italian for “march”, or in the motorcycle industry “foot-shift”.

4MS engine: The 4MS has a “sport” cylinder, with taller and wider ports, a 16mm ID intake, and a larger 16mm Dellorto UA16S down-draft carburetor. Horsepower 4.5 at 7800 rpm. This is the version shown in the parts illustration.

The 4MS engine was on the 1965-68 Benelli Fireball and Fireball Trail, and 1969 Dynamo Trail and Super Mini.

 

1969-benelli-dynamo-50cc-parts-catalog-engine

Benelli 4M and 4MS engines

 

 

 

 


1972 Benelli Dynamo 65cc Parts Manual

1969-75 Dynamo

C7. Benelli models with 4M65 engines 1969-75

59cc vertical cylinder 4-speed foot-shift, manual clutch.

4M65 engine: Since 1970 the 4M and 4MS 49cc engine size was increased to an advertised 65cc on the 4M65. But the actually size was 59.3cc. Bore and stroke were 44 x 39 mm. That was dishonesty in labeling, motivated by “bigger is better” thinking.

The Benelli 4M65 engine is on 1971-73 Mini Enduro, 1970-72 Cougar, 1970-71 Dynamo Compact, Dynamo Trail (Scrambler), Woodsbike, 1972-73 Compact II, Dynamo II, Woods II, 1974-75 Dynamo Trail, 1976-77 Dynamo. It has large square head, larger piston, Dellorto ME15BS carburetor. 

 

1969-75+ Benelli 65cc 4-speed engine

Benelli 4M65 engine