Solex Parts

La biciclette qui roule toute seule!

Solex began in 1905, as two young French engineers, Maurice Goudard and Marcel Mennesson, producing engine parts. They made radiators, mostly for large trucks and buses, before and during World War 1. After the war, Solex shifted from radiators to making carburetors.

Solex carburetors became the company’s most famous product, used on many European automobiles for decades. They also made lots of other things, like excellent micrometers.

1940 prototype

VeloSolex (SolexBike) was developed during WWII while France was occupied by Germany. In 1940, after decades of interest in “bicycles with emergency engines”, the first front engine prototype was unveiled.

In 1946, after 5 years of testing, the humble hybrid went into production.

Identify your Solex by sequential engine number:
from         from

year.mo   motor #     model  000 cc  0 
tires
1946.05  0001000 
Solex 45 00 45 23″ 650B  reverse levers
1947.01  0004200  Solex 45 00 45 23″ 650B
1948.01  0012975  Solex 45 00 45 23″ 650B
1949.01  0038980  Solex 45 00 45 23″ 650B
1950.01  0076670  Solex 45 00 45 23″ 650B
1951.01  0117020  Solex 45 00 45 23″ 650B

1949 VeloSolex 45

1951.06  0140096  Solex 45 00 45 21″ 600B
1952.01  0179400  Solex 45 00 45 21″ 600B
1953.01  0254685  Solex 45 00 45 21″ 600B
1953.09  0325206  Solex 330 0 49 21″ 600B  reverse levers
1954.01  0352320  Solex 330 0 49 21″ 600B
1955.01  0513720  Solex 330 0 49 21″ 600B
1955.09  0653389  Solex 660 0 49 21″ 600B
1956.01  0709950  Solex 660 0 49 21″ 600B
1957.01  0935850  Solex 660 0 49 21″ 600B
1957.04  1016251  Solex 1010  49 21″ 600B  reverse levers
1958.01  1222310  Solex 1010  49 21″ 600B

1958-59 VeloSolex 1400

1958.10  1394501  Solex 1400  49 1.75 – 19  reverse levers
1959.01  1509600  Solex 1400  49 1.75 – 19
1959.10  1702029  Solex 1700  49 1.75 – 19  new automatic clutch
1960.01  1770840  Solex 1700  49 1.75 – 19
1961.01  2083850  Solex 1700  49 1.75 – 19
1961.06  2202001  Solex 2200  49 1.75 – 19  reverse levers
1962.01  2386650  Solex 2200  49 1.75 – 19
1963.01  2705990  Solex 2200  49 1.75 – 19
1964.01  3041150  Solex 2200  49 1.75 – 19
1964.10  3283293  Solex 3300  49 1.75 – 19  new rectangular-tube frame
1965.01  3384500  Solex 3300  49 1.75 – 19
1966.01  3686125  Solex 3300  49 1.75 – 19

1971-72 Solex 3800 USA tail light by Luxor

’66-76 light

Solex 3300 tail light

’59-66 tail light

The VeloSolex 3800 had reverse brake levers and a non-self-closing twist throttle. Most had Seima tail lights with no brake light. Only some US and Canada models had Maly tail lights with a separate brake light on top.

All 3800 motors from May 1966 to 1975 had an ID badge that says 1966. That was the year of the design approval, not the year it was made. 

By 1967 4 million VeloSolex’s were sold. Improvements were made year after year. The Solex motor bike became a household item in France and many parts of Europe.

1973 Solex 3800 (USA version) made in France

1973 Solex 3800 (US)

   years  0 motor #     tires  000   model
1966-66  3800001  1.75-19 VeloSolex 3800 reverse levers, revised engine
1967-67  4003600  1.75-19 VeloSolex 3800
1968-68  4252840  1.75-19 VeloSolex 3800
1969-69  4533060  1.75-19 VeloSolex 3800
1970-70  4600285  1.75-19 VeloSolex 3800
1971-71  4713001  1.75-19 VeloSolex 3800
1972-72  4767151  1.75-19 VeloSolex 3800
1973-73  4816551  1.75-19 VeloSolex 3800
1974-74  4859701  1.75-19 VeloSolex 3800
1975-75  4914560  1.75-19 VeloSolex 3800 
1967-74  5000001  1.75-19 VeloSolex 3800 (US)
1967-74  5200001 12½x1¾ VeloSolex Micron

1974 Pli Solex that folds. It has 16" tires not 19".

’74 Pli Solex

1970-70  6000001  2.00-16 VeloSolex Flash reverse levers, new engine, drive shaft
1971-71  6039318  2.00-16 VeloSolex Flash rigid or cantilever fork versions
1971-71  6055001 
2.00-16 VeloSolex 6000 same but telescopic fork, drum brake
1972-72  6059690 
2.00-16 VeloSolex 6000
1973-73  6082453 
2.00-16 VeloSolex 6000
1974-74  6096851 
2.00-16 VeloSolex 6000
1975-77  6106350 
2.00-16 VeloSolex 6000
1973-78  7000001  2.00-16 Pli Solex (folder) forward levers

’73 Solex 5000 (US)

1971-71  7000001  2.00-16 VeloSolex 5000  reverse levers
1972-72  7079595  2.00-16 VeloSolex 5000
1973-73  7117674  2.00-16 VeloSolex 5000
1973-74  0000000  2.00-16 VeloSolex 5000 (US)
1974-74  7155661  2.00-16 VeloSolex 5000
1975-75  7224292  2.00-16 VeloSolex 5000
1975-75  0000000  2.00-16 Renault 5000
1977-78  9000001  2.00-16 MB  Solex 5000

   years  0 motor #     tires  000   model
1973-73  8000001  2.50-17 Solex Tenor L, S Morini MO1 engine
1974-74  8009080  2.50-17 Solex Tenor S, L Morini MO1 engine
1974-74  8500001  2.50-17 Solex Tenor S4    Morini MO4 engine
1974-74  9000001  2.50-17 Solex 8000 GS, GL Laura M56, M54 engine
1975-75  9004681  2.50-17 Solex 8000 GL, GS Laura M54, M56 engine
1975-75  0000000  2.50-17 Renault Tenor  Morini MO1 engine

Renault: In 1974 Velosolex sold part of their production facility and rights to Renault. Here is a Renault 5000 and a Renault Tenor. But Renault sold the production to Motobecane (MB), in Dec 1974, after only a month.

1975 Solex 4600 V2

’75 Solex 4600 V2 (US)

’80 MB Solex 4600 V3 (US)

VelosolexMotobecane (MB): Motobecane kept the old chrome VeloSolex side stickers until late 1977. Here is a 1977-79 Motobecane 50V, a 1977-80 Motobecane S 3800 and Motobecane 5000. At the same time VeloSolex continued to produce mostly domestic S 3800s, up to 1986.

Solex

MBK: Motobecane was bought out by Yamaha in 1983, restructured and renamed MBK. The 1986-88 MBK S 3800 stickers only said Solex, in script.

   years  0 motor #     tires  000   model    xxxxxxx oooooxxx levers    throttle  head-light switches tail-light
1974-75  7100001  1.75-19  VeloSolex 4600 V1 (US,CA)  reverse not self-closing Cibié  xxxxx    Maly tl+bl 
1974-77  7100001  1.75-19  V.Solex 4600 V1(BR,DK,UK) reverse not self-closing  Cibié  xxxxx   SEIMA tl
1975-76  7200001  1.75-19  MB  Solex 4600 V2 (US,CA)  Magura 70’s self-closing  CEV   CEV     CEV tl+bl
1977-77  9000001  1.75-19  MB  Solex 4600 V3 (USxx  Magura 70’s self-closing   CEV   CEV     ULO tl+bl
1977-80  9000001  1.75-19  MB  Solex 4600 V3 (USxx  Magura 70’s self-closing Luxor  Aprilia  ULO tl+bl
1976-77  9007451  1.75-19  VeloSolex S 3800  xxxxxxx  reverse  not self-closing
1977-80  9015840  1.75-19  MB  Solex S 3800  xxxxxxx   reverse  not self-closing
1977-86  9015840  1.75-19  VeloSolex S 3800  xxxxxxx  reverse  not self-closing
1986-88  9015840  1.75-19  MBK Solex S 3800  xxxxxx  Domino 80’s self-closing

Solex re-makes: The 1999-05 Solex 3800 was made by Impex in Hungary and made well. It was an exact copy of a 1986-88 MBK Solex 3800. US versions had different switches and lights. More about that later…   The other Solex re-makes were Chinese made.

1999-02  0000000  1.75-19  Impex  Solex S 3800 (US) Dom80’s copy self-closing SEV points-ignition
2002-05  0000000  1.75-19  Impex  Solex S 3800 (US) Dom80’s copy self-closing xxx  CDI-ignition
2005-08  0000000  1.75-19  Mopex  Velosolex S4800  and  Mopex Black ‘n Roll S4800  website
1976-on  0000000  1.75-19  generic Chang-Jiang  
1976-on  0000000  1.75-19  generic Hua Jia 
1976-00  0000000  1.75-19  generic Hong Du

 

 
 
 

Solex  S 3800 and 4600 Parts For Sale:

Click diagrams to enlarge. Click light blue links for photos, or for universal items listed “by type”.
These are the Motobecane part numbers (60000 to 69999). There are also Solex part numbers (00000 to 19999). 
There are also Velocruz part numbers (90000 to 99999), which are these MBK numbers with “9” instead of “6”.
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Solex Parts Figure 1 Flywheel Magneto

Solex Parts Figure 1
Flywheel Magneto

 fig#  part#   name          price   remarks
1-2   60972 thin nut          N/A   M10 x 1.25 x 3
1-3   60969 rotor deflector $5
1-4   60970 rubber gasket N/A
1-5   60971 flange nut       $7   M10 x 1.25 14hex
1-6   60845 rotor              N/A  4600 V1 and most 3800
1-6   61219 rotor              N/A  4600 V2,V3 and some 3800 
1-7   61303 bolt                 $3    M4 x 15 x 0.75 (not 0.70)
1-8   60763 coil bolt           $3    M4 x 20 x 0.75 (not 0.70)
1-9   60002 nut                   $1   M4 x 0.75 3.5 height 3.5
1-10 60802 condenser      N/A   new in package
1-11 60772 ignition coil     N/A   SEV Marchal
1-12 13294 lighting coil     $35   for S4600 V2,V3
1-13 13309 stoplight coil   $35  for S4600 V2,V3
1-15 60084 bolt                $2     M4 x 10 x 0.75 (not 0.70)
1-16 60805 circlip              $2    tiny clip for points
1-17 60804 washer           $2    fiber washer 
1-18 61014 contact set    $25   SEV Marchal original
1-24 60934 plug wire       n/a   complete assembly
 
SEV Marchal
 
SEV means Société d’Equipements pour Véhicules automobiles.
SEV (France) has no relation to CEV (Italy).
SEV combined with Marchal in 1963, and then was bought by Ferodo in 1970.
Ferodo bought CIBIE lights, and then became Valeo in 1980.
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Solex Parts Figure 2 Clutch and Drive Roller

Solex Parts Figure 2
Clutch and Drive Roller

  fig#  part#   name               price   remarks
 
2-4   60491 crank nut                 N/A     M16x1.25 thin
2-5   60815 clutch spring            $3
2-6   60978 clutch complete       N/A
2-7   60977 deflector and  gasket $15
2-9   61287 drive roller assy      N/A
2-10 60484 cover clip                  $5    fresh rubber  
 
 
Solex 62254

Solex 62254 early & late

 
  
 
 
 =============================================================
Solex Parts Figure 3 Crankcase Assembly

Solex Parts Figure 3
Crankcase Assembly

fig#  part#   name                        price
3-2   60780 spark plug lead holder $3
3-3   62254 engine lever pre-74  N/A  no notches, for early crank
        50021 engine lever ’74-on    N/A  with notches for late crank
3-5   60434 pump seating piece    $10  used
3-6   60023 fuel pump membrane $17  kept fresh in plastic
3-7   60846 fuel pump                  N/A  see BrianSolex

3-7a 11469 fuel pump check ball   N/A  see BrianSolex
3-7b 114xx fuel pump ball seat     N/A  see BrianSolex
3-8   60763 fuel pump bolt            N/A  M4 x 20 x 0.75 (not 0.70)
3-9   60056 bolt                             $3  M6 x 10 9hex
3-10 60414 case gasket                 $7
3-13 60044 bolt                             $2  M6 x 15  9hex
3-14 60415 bolt                             $2  M6 x 20 9hex
3-17 60029 bolt                             $2  M6 x 10 9hex/slot
3-18 60015 cylinder stud               $5   M6 x  30? good used
3-19 60867 nut                             $5   M10 x 1 x 5 14hex
3-20 60024 washer                       $5   M10 x 0.8 x 19
3-21 60849 spacer – bearing race $12  M10 x 14 x 13.3
        rod needle bearing                 N/A  DL1413 20 od,14 id,13w
        piston needle bearing            N/A  DL1212 18 od,12 id,12w
3-22 60497 rod with piston           N/A 
3-24 62255 motor raising crank    N/A   4600 ’73-74 has no roller
        50025 motor raising crank    N/A   4600 ’75-on has a roller
3-30 60817 ring (3) 39.5 x 1.7       $10 each, takes 3  
3-31 61297 piston bare                N/A   see Velocruz engine #40
 
The Solex fuel pump membrane and maybe the plastic seats and balls are needed often to replace deteriorated 30-50 year old ones. It’s easier to replace the entire pump, membrane, and membrane seat, but more costly. When the top cap or post is unscrewed, the top check ball easily falls out and gets lost. Often a not working fuel pump only needs a ball, or a new membrane. The pump check balls can be tested by blowing and sucking through a piece of small rubber hose or fuel line. The lower line only blows and does not suck. The upper line only sucks and does not blow.
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Solex Parts Figure 4 Air Filter and Cylinder

Solex Parts Figure 4
Air Filter and Cylinder

fig#  part#   name                price   remarks
 
4-4   60759 air filter collar         $5
4-7   60980 cover support         $5
4-8   60859 valve nut               $6
4-10 61263 decomp lever         $7
4-11 60421 head bolt               $3
4-12 62152 head plate 4600    N/A  no engage lever 
4-12            head plate 3800    N/A  with engage lever
4-13 60786 spacer                   $3
4-16 60016 cylinder gasket      $8
4-18 60000 nut D6-H6            $3   M6x1.0, height=6, hex=9mm
4-19 60496 cylinder              N/A  new in packing tube
4-19 60496 cylinder               N/A   barely used, no wear at all
4-20 60437 head gasket          $7
4-21 60821 cylinder head        $40 good used
4-22 60858 decomp valve      N/A
 
 
 
 
 
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Solex Parts Figure 5 Carburetor and Gas Tank

Solex Parts Figure 5
Carburetor and Gas Tank

 fig#  part#   name                     price   remarks
5-1   60918 gas tank for 3800     N/A  black metal
5-1     Z822 gas tank for 1400     $90  for 1958-59 Solex 1400
5-2   60169 recirculation pipe      N/A
5-3   60176 tank lid washer         N/A   can use an o-ring
5-4   61376 gas tank lid              $15   good used black
5-5   60976 overflow pipe            $15
5-8   60753 muffler exhaust pipe N/A
5-9   60964 gas return pipe         N/A
5-10 60793 bolt                           $3    M6 x ?? 9hex
5-12 60854 cable bracket            $12
5-13 60925 throttle lever            $10
5-17            fuel jet 26cc              $9
5-17            fuel jet 27cc              $9
5-17 60183 fuel jet 28cc std        $12
5-17            fuel jet 29cc               $12
5-17            fuel jet 30cc               $9
5-17            fuel jet 31cc               N/A
5-17            fuel jet 32cc               $9
5-19 60501 choke lever                $5
5-20 60923 carburetor – USA       N/A
5-22 60441 air filter gasket           $3
5-23            air jet 275cc               $8
5-23            air jet 301                  $8
5-23            air jet 401                  $8
5-23            air jet 551                  $8
5-23            air jet 601                  $8
5-23 60406 air jet 651                  $8
5-23            air jet 901                  $8
5-24 60440 choke assembly         $10
5-26 60442 inlet pipe gasket         N/A
5-27 60445 inlet pipe nut              $7
5-28 60041 pipe gasket                 $7
5-29 60785 inlet-exhaust pipe      $20    good used
Solex Tanks 1

Left, Z822 metal tank $90
1958-59 Solex 1400

Solex Tanks 2

Right, plastic tank N/A
1973-79 4600,5000

 
 
 
 
 
 
 
 
 
 
 
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Solex Parts Figure 6

Solex Parts Figure 6
Engine Supports

fig#  part#   name                    price   remarks 
 
6-2   60827 front mudguard      $10  used white one
6-3   60981 engine plate right   $10  black
6-6   60031 silentbloc                $8   motor mount rubber tube
6-8   60935 engine mount bolt   $3
6-9   60982 engine plate left     $10  black 
6-14 60824 washer                   $1   M8 x 14 x 2.0
6-15 60474 bolt                         $3   M8 x 15 x 1.0 thin flange hex
6-18 60987 suspension spring   $5
6-20 60021 friction washer        $2   M6 x 20 x 1.5
6-21 60778 friction plate            $5   curved slot + hole
6-22 60022 friction washer        $2   M8 x 20 x 1.5
6-24 60800 special nut              $5
 
  
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Solex Parts Figure 7 Main Frame

Solex Parts Figure 7
Main Frame

fig#  part#   name                price   remarks 
 
 
 
7-2   60473 frame bolt nut       $8
7-12  60490 frame bolt            $12
 
 
 
 
 
 
 
 
 
===================================================================================
Steering and Fork Assy

Solex Parts Figure 8
Steering and Fork Assy

fig#  part#   name                         price   remarks 
 
 
8-4   61447 handlebar bolt          $2    M8 x 22 x 1.0
8-18 60418 bolt                                $3   M6 x 12 9hex
8-21 61010 splash guard clamp  $7    shiny new
 
 
 
 
 
 
 
 
 
 
 
 
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Solex Parts Figure 9a Left Handlebar Controls

Solex Parts Figure 9a
Solex 4600 V2,V3 only
Left Magura Controls

fig#     description                               link to Parts/By Type/
 
9a-2   CEV round chrome lite switch see /Electrical/Switches #2
9a-3   CEV round chrome kill switch see/Electrical/Switches #1
9a-4   Magura left lever assembly    see/Controls & Bars/Magura
9a-4a Magura left housing/perch  see/Controls & Bars/Magura #12
9a-4b Magura left grip 22mm      see/Controls & Bars/Grips
9a-5   Magura left lever                see/Controls & Bars/Magura #1
9a-6   Magura pivot bolt & nut  see/Controls & Bars/Magura #6
9a-7   Magura socket bolt            see/Controls & Bars/Magura #11
9a-8   cable pinch bolt (at wheel) see/Cable Parts/Cable Parts #P3c
9a-9   Magura clamp bolt M6        see/Controls & Bars/Magura #10
9a-10 rear brake cable adjuster    see/Cable Parts/Cable Parts #A2
9a-11 CEV brake light switch      see /Electrical/Switches #26
          normally-open-when-installed kind, black tip, not white tip 
 
======== E A R L Y   L E V E R S  not shown =========== 
9a-12 10006 inverted lever left            N/A
 
 
 
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Solex Parts Figure 9b Right Handlebar Controls

Solex Parts Figure 9b
Solex 4600 V2,V3 only
Right Magura Controls

 
9b-1   Magura throttle complete  see/Controls & Bars/Magura  
9b-2   Magura throttle housing   see/Controls & Bars/Magura #13
9b-3   Magura right grip 24mm   see/Controls & Bars/Grips
9b-3a Magura twist tube            see/Controls & Bars/Magura #4
9b-4   Magura right lever            see/Controls & Bars/Magura #2
9b-5   Magura decomp lever        see/Controls & Bars/Magura #3
9b-6   Magura pivot bolt & nut  see/Controls & Bars/Magura #6
9b-7   Magura socket bolt            see/Controls & Bars/Magura #11
9b-8   cable pinch bolt (at wheel) see/Cable Parts/Cable Parts #P3c
9b-9   Magura clamp bolt M6       see/Controls & Bars/Magura #10
9b-10 rear brake cable adjuster   see/Cable Parts/Cable Parts #A2
9b-11 CEV brake light switch    see /Electrical/Switches #26
          normally-open-when-installed kind, black tip, not white tip
 
 
 
                                                                                 ======== E A R L Y   L E V E R S  not shown =========== 
                                                                                 9b-12 10005 inverted lever right      $40 see photos after Fig 19
                                                                                 9b-13             decomp thumb lever     $15   grey plastic    
             
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Solex Parts Figure 10 Front Brake Assembly

Solex Parts Figure 10
Front Brake Assembly

fig#  part#   name                      price   remarks 
 
10-2   60423 brake bar assy      $20
10-3   13306 front brake cable    see cables below
10-8   60070 brake shoe block    N/A says Sphinx (can use bicycle)
10-12 60502 brake support         $5
10-15 61296 brake pad assy      $15   plain shiny new
 
 
  
 
 
 
 
   
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Solex Parts Figure 11 Pedal Assembly

Solex Parts Figure 11
Pedal Assembly

fig#  part#   name                 price   remarks
 
11-4   60966 chain 83 link     $10    84 links with master         
11-5   60072 master link        $2      ordinary bicycle chain
11-6   61371 cable end            $5     like bicycle one but smaller
11-8   60465 crank spindle      $20
11-10 60061 cotter pin assy     N/A     9.0mm special wedge
11-12 60063 left pedal                    M14-1.25 thread “French”
11-13 60064 right pedal                  M14-1.25 thread “French”
11-14 pedal set L and R          see Pedal Parts French pedals
 
 
 
 
 
 
 
 
   
 
 
 
 
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Saddle Assembly

Solex Parts Figure 12
Saddle Assembly

fig#  part#   name                 price   remarks 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
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Solex Parts Figure 13 Luggage Carrier

Solex Parts Figure 13
Luggage Carrier

fig#  part#   name                           price   remarks 
 
 
 
 13-8   61379 connector air pump  $5   green, presta valve end
 
 
 
 
 
 
 
 
 
 
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Solex Parts 14 Front Wheel

Solex Parts Figure 14
Front Wheel

fig#  part#   name                           price   remarks 
 
14-3              inner tube 19″          see Brian or /tires & tubes
14-4             tire 19 x 1.75 or 2.0   see Brian  or /tires & tubes
14-5   61797 spoke nut 2.4×0.55  see wheel parts/spokes
14-6   61358 front spoke 220×2.4 see wheel parts/spokes
14-7a 17187 ball 7/32″(22) 75-on see wheel parts/universal
14-7b            ball 1/4″ (18) pre-75 see wheel parts/universal
14-8a 60058 front hub axle set     N/A  M9.5 x 1.0 x 130 long
14-8c            bearing cone             N/A use 3/8×26 bicycle cone
14-8d            lock nut M9.5x1x4    N/A use 3/8×26 bicycle nut
14-9   60052 hub cap                    N/A
14-10 61217 outer washer             $1  use 3/8″
14-11 60079 nut 9.5×1 14hex      N/A use 3/8×26 15hex bike
14-12 61360 rim                           N/A  no spokes  19″ 28 hole
 
  
After the take-over of VeloSolex by Motobecane in 1974, the front hub changed from Atom to Leleu, in 1975.
1. The balls changed from 18 (9 per side) of 1/4″ balls (Atom) to 22 (11 per side) of 7/32″ balls (Leleu).
2. The outside of the cones became larger, or the inside of the cup became smaller for the smaller balls.
3. The front axle stayed the same, 9.5 x 1.0mm ≈ 3/8 x 26tpi. So did all of the axle nuts, spacers, washers.
===================================================================================
Solex Parts 15 Rear Wheel

Solex Parts Figure 15
Rear Wheel

fig#  part#   name                         price   remarks 
15-1,2,3,4 same tire & tube as front wheel above
15-5   61797 spoke nut 2.4 x 0.55   see wheel parts/spokes
15-6   61359 rear spoke 192 x 2.4   N/A
15-7a 61405 brake plate Ø80 assy   N/A  for 75-on Leleu hub
15-7b           brake plate Ø83 assy    N/A for pre-75 Atom hub
15-8a 62598 brake shoe Ø80 ’75-on see wheel parts/brakes #2
15-8b 12355 brake shoe Ø83 ’66-74 N/A 
15-12a 17187 ball 7/32″(22) ’75-on see wheel parts/universal
15-12b            ball 1/4″ (18)  pre-75 see wheel parts/universal
15-11a 60955 rear axle set 75-on    N/A M9.5 x 1.0 x ??? long
15-11b          rear axle set pre-’75     N/A M9.5 x 1.0 x ??? long
15-11c          bearing cone                N/A use 3/8×26 bicycle cone
15-11d          lock nut M9.5x1x 4      N/A use 3/8×26 bicycle nut
15-13 61217 outer washer               $1  use 3/8″
15-14 60079 nut 9.5×1 14hex         N/A use 3/8×26 15hex bike
15-15 61365 cable end                     see Cable Parts/Parts #P3c
15-16 61360 rim F & R                     N/A  (no spokes)  19″ 28 hole 
 
 

After the take-over of VeloSolex by Motobecane in 1974, the rear hub changed from Atom to Leleu, in 1975.

1. The rear drum brake diameter, brake plate, and brake shoes changed from 83mm (Atom) to 80mm (Leleu).

2. The balls changed from 18 (9 per side) of 1/4″ balls (Atom) to 22 (11 per side) of 7/32″ balls (Leleu).

3. The outside of the cones became larger, or the inside of the cup became smaller for the smaller balls.

4. The rear axle stayed the same, 9.5 x 1.0mm ≈ 3/8 x 26tpi. So did all of the axle nuts, spacers, washers.

 
========================== C E V   H e a d l i g h t====================
Solex Parts Figure 16 Solex 4600 (USA) only CEV Headlight Assy

Solex Parts Figure 16
1975-79 Solex 4600 V2 and V3
CEV (V2) or Luxor (V3) Headlight Assy

16-1a            CEV HL ring Tipo 105   see /Electrical/Headlights #9
16-2a 13355 CEV sealed beam #171 see /Electrical/Bulbs #7
16-3a 14940 CEV headlight clip         see /Electrical/Headlights #10
16-5a 60415 bolt M6 x 25 hex
16-6a              ring bolt M5 x 20
16-7a            CEV housing for 2143  see /Electrical/Headlights #11
============ L u x o r   H e a d l i g h t =============== 
16-1b 53433 Luxor HL ring #1710        see /Electrical(not finished)
          53432 inner upport ring              see /Electrical (not finished)
16-2b 13355 GE sealed beam #4667-2 see /Electrical/Bulbs
16-3b 14940 Luxor headlight clip           see /Electrical (not finished)
16-4b 00137 washer M8                       see /Electrical(not finished)
16-5b 18324 bolt M8 x 1.25 x 20 13hex see/Electrical(unfinished)
16-6b 19569 bolt M5 x 20 x 0.90 (not 0.80) see/Electrical(not done)
16-7b            Luxor housing                  see/Electrical (unfinished)  
===================================================================================
Solex Parts 17a Solex 4600 (USA) only CEV Tail Light

Solex Parts Figure 17a
early 1975 Solex 4600 V2
CEV 9350 Tail Light

fig#  part#   name                     price   remarks 
 
17a-1 61391 tail light assy   see /Electrical/Tail Lights CEV 9350
17a-2 13353 screw              see /Electrical/Tail Lights CEV 22253
17a-3 61404 lens                 see /Electrical/Tail Lights CEV 03211
17a-4 61392 bulb                 see /Electrical/Bulbs/6V 5/18W
17a-5            tail light body   see /Electrical/Tail Lights CEV 03212
17a-6 12181 mount bracket see /Electrical/Tail Lights CEV 02748
 
 
 
 
  
 
===================================================================================
Solex Parts 17b Solex 4600 (USA) only U.L.O Tail Light

Solex Parts 17b
1975-79 Solex 4600 V2 & V3
U.L.O Tail Light

fig#  part#   name                    price   remarks 
 
17b-1 53511 tail light assy   see /Electrical/Tail Lights ULO MB
17b-2 21478 gasket             see /Electrical/Tail Lights ULO MB 
17b-3 52418 reflector           see /Electrical/Tail Lights ULO MB
17b-7 52934 tail light lens    see /Electrical/Tail Lights ULO
17b-11 61392 bulb                see /Electrical/Bulbs 6V 5/18W
17b-12 53434 pad                 see /Electrical/Tail Lights ULO MB
17b-13 53436 plate               see /Electrical/Tail Lights ULO MB
17b-14 53489 ref. support    see /Electrical/Tail Lights ULO MB 
17b-15 53438 reflector         see /Electrical/Tail Lights ULO MB
 
  
 
 
 
===================================================================================
Solex Parts 18 Engine Gaurd and Muffler

Solex Parts Figure 18
Engine Gaurd and Muffler

  fig#  part#   name                               price   remarks
 
18-4   61399 guard rail 4600  N/A  used with good chrome
18-4             guard rail 3800  N/A  3800=no reflector mount

 

          

  
 
 
  
 
 
===================================================================================
Solex Parts Figure 19 Control Cables

Solex Parts Figure 19
Control Cables

fig#    part#   length(mm)   name         price   remarks 

1        60178 1000 rear brake sleeve  see/Cable Parts/Sleeves
2        61446  ——  cable end/stop      see/Cable Parts/Parts
3        00716  ——  pinch bolt             see/Cable Parts/Parts P2-a
4        13307 1460 rear brake wire     see/Cable Parts/Wires W1
1 & 4  60974 1660 rear brake cable    see/Cable Parts/Cables C2
5        60178  610  front brake sleeve see/Cable Parts/Sleeves
6        13306  720  front brake wire    see/Cable Parts/Wires
5 & 6  62174  910  front brake cable   see/Cable Parts/Cables C1
7                    375  decompres sleeve see/Cable Parts/Sleeves
8        61446  ——  cable end/stop       see/Cable Parts/Parts
9        61453  425  decompressor wire see/Cable Parts/Wires
7 & 9  62178  440  decompress cable  see/Cable Parts/Cables
10                    ??   slow down sleeve  see/Cable Parts/Sleeves
11                  700  slow down wire      see/Cable Parts/Wires W1
10,11 62175  690  slow down cable     see/Cable Parts/Cables
12      60179  535  throttle sleeve       see/Cable Parts/Sleeves
13                  700  throt. wire Domino see/Cable Parts/Wires W1
12,13 26469          throt cable Domino see/Cable Parts/Wires
14      13332  700  throt. wire Magura see/Cable Parts/Wires
12,14             700  throt cable Magura see/Cable Parts/Cables
 
 
Solex right inverted lever with cable wires loose

Solex right inverted lever with cable wires loose

Solex right inverted lever with cable wires taut

Solex right inverted lever with cable wires taut

Solex right inverted lever with cable wires taut, end view

Solex right inverted lever, wires taut, end view

 
The 1968-86 Solex right inverted brake lever also controls the throttle. Either squeeze the brake or twist the grip to close the throttle. A cam in the grip pushes that little trigger (center photo) which pulls the throttle wire. The single-ended throttle and brake wires are ordinary “universal” moped inner wires.
 
 
 =================================================================================== 
Solex Parts Figure 19a S 3800 Head & Tail Lights

Solex Parts Figure 19a
S 3800 Head & Tail Lights

fig#  part#   name                      price   remarks
 
19a-1   60204 motor cover bare  N/A
19a-2   60205 HL lens 1986-on     N/A
            61367 HL lens pre-1986  N/A  for 10mm screw-in bulb 
19a-3   60574 bulb 6V15W P26S   N/A  26mm flange bulb
19a-3a          flange for screw-in N/A  17.3mm press-in flange
19a-3b 14460 6V headlight bulb    $2   E10 screw-in yellow
19a-4   60767 switch lever          $5
19a-5   60834 contact lever        N/A
Solex screw-in headlight bulb

Solex screw-in h.l. bulb

19a-6   60831 return spring         N/A
19a-7   14311 bolt M4x0.75×12    N/A
19a-8           tail light body            N/A
19a-9           tail light lens             N/A
19a-10        bl bulb 6V10W ba15     $2
19a-11         t.l. bulb 6V4W  ba9    $2
19a-12        tail light complete      N/A
  
 
 
 
 
 
 
 
Solex 3300 tail light

1959-66 Velosolex 1700, S2200, S3300
tail light by SEIMA

1966 Solex 3800 DOT tail light made by Maly

1966-67 S 3800 DOT
tail light by MALY

1971-72 Solex 3800 USA tail light by Luxor

1966-76 S 3800
tail light by SEIMA

1977-79 4600 V2,V3 tail light by U.L.O.

1977-79 4600 V3
tail light by ULO

 

 

 

 

 

 

 

 

1975 Solex 4600 V2 tail light by CEV

1975 Solex 4600 V2
tail light by CEV

 
1976-88 S 3800 MBK MB Hexagon tail light

1976-88 S 3800
MB Hex black

1976-82 Solex 5000 MB Hexagon white

1976-82 5000
MB Hex white

1999-05 Impex S 3800 2005-on Black'nRoll S 4800 Tail light by Soubitez

1999-05 Impex S 3800
05-08 Black’nRoll S 4800
tail light by Soubitez

 
 
 
 
 
 
 
 
 
==============================================================================
1962-74 Solex 3800 USA Wiring:     this content courtesy of BrianSolex
Solex Parts Figure 20a 1962-73 S3800 USA Head light ground tab

Solex Parts Figure 20a
1964-66 S 3300
1966-73 S 3800
Head light ground tab


Solex Parts Figure 20 1973-74 S 3800 USA Lights Wiring

Solex Parts Figure 20
1973-74 S 3800 USA
Lights Wiring

Yellow – main power from stator to switch paddle (power for the lighting exits the stator via the serrated stud; there is no wire connection between the serrated stud and the switch. The switch paddle must contact the serrated stud when the switch lever is turned counter-clockwise)
Red – power from headlight switch paddle, through spring and bronze strip, to headlight.
Blue – power from bronze strip to tail light wire
Green – ground (wire from headlight to fuel pump screw) 
*Note: the 1966-72 S 3800 USA (and the S 3300) is similar, but instead of a ground wire, there is a ground tab mounted on the front of the fuel pump. The tip of the bulb touches the tab.  
==============================================================================
Solex 4600

Solex 4600 Wiring

Solex 3800 Impex

Solex 3800 Impex Wiring

 

 

 

 

 

 

 

Where else to get parts:  

http://www.difag-pro.com/en/446-pieces-detachees-pour-solex in France. This company offers most Solex parts. Translate from French.

Visit Solex 3800 USA, Brian’s Solex Parts for Sale and Brian’s Solex 4600 Website  They are Velosolex Grand Central Station. From there you can buy things or link to resources around the world. Your Solex questions will all be answered. Brian is a brilliant engineer who has studied and documented every square millimeter of the Velosolex (including the magical check balls deep inside the fuel pump). He has extensive, accurate, excellent service procedures and photos to help people. You can ask technical questions, or you can browse and learn the complete history and engineering behind all things Solex.

https://www.treatland.tv/solex-s/424.htm    Treatland.tv carries many Solex parts. A moped parts supermarket!

http://www.velocruz.com/home.htm    Velocruz Inc in Utah USA still carries most Solex S 3800 parts, and sometimes used bikes, but not any more new ones. Velocruz founder Tommie Matthews brought back the Velosolex to the USA in 1998, becoming the exclusive US distributor for Impex, the manufacturer in Hungary. Son Jeff Matthews runs Velocruz  now. The Hungarian S 3800, produced from 1999 to 2005, was well made, and nearly identical to the 1986-88 French S 3800.

Video channels:

Velosolex Solex HELP video channel: https://rumble.com/c/solex

Velosolex Solex video channel: https://rumble.com/c/velosolex

Photobucket Photo Albums:
https://app.photobucket.com/u/BrianSolex
Solex Parts Catalogs:
1973-74 Solex 4600 V1 Parts Catalog       by VeloSolex, 1974, in English, Velosolex part #s
1975-79 Solex 4600 V2,V3 Parts Catalog  by VeloSolex, 1976, in English, Velosolex part #s
1970’s Solex 3800 USA Parts List              by VeloSolex, 1975, in English, Velosolex part #s
1986-88 Solex S 3800 Parts Catalog         by MBK/Motobecane, in French, MBK part #s
 
Solex Topics of Interest: 
The Velosolex in the USA  by Solex Millenium, in English
The Velosolex in Canada  by Solex Millenium, in English
Technical Specifications  by Prof. Auguste Balls, in English