From MopedWiki

Contents 1 Fuel system 2 Carburetion 3 Intake 4 Cylinder 5 Electrical 6 Exhaust 7 Engine 8 Transmission 9 Frame 10 Other Stuff 11 Cylinders of the same stroke

This crossover chart was formed to help provide a list of compatible parts between brands and models. If you come across any incorrect information please update the list.

Fuel system

• Tomos and Puch frame tank gas caps are interchangable.
• Gas caps from Puch and Tomos removable tanks, 70's Honda dirt bikes (such as the XR75) and Mercedes Benz (Gates/Stant part number 31623) are all interchangable.
• Yamaha QT50 and Honda NC50 petcocks will fit General 5 Star Lazer top tanks and Trac Sprint Top tanks.
• Peugeot petcocks fit Batavus VA & HS50, Italian bikes such as the tube frame Concords and Cimattis, Sears Allstate Sabres, and Puch Magnum/Cobra gas tanks.
• Tomos and Puch frame tanks, JC Penney Pinto and Swinger, Vespa, Kinetic, Sachs G3 and Honda Hobbit petcocks are all interchangable.

Carburetion

• Vespa Dellorto SHA carburetors (12:9, 12:10, 12:12, and 13:13) are a direct fit on Batavus (Encarwi) intakes
• Puch Bing jets fit Tomos and Batavus Encarwi carburetors.
• Dellorto main jets fit Mikuni round-slide carburetors.

Jet Size CC/Min - Jet bore

10 = 0.273/ 15 = 0.335/ 20 = 0.387/ 25 = 0.432/ 30 = 0.474/ 35 = 0.511/ 40 = 0.547/ 45 = 0.580/ 50 = 0.611/ 55 = 0.641 60 = 0.670 65 = 0.697 70 = 0.723 75 = 0.749 80 = 0.773 85 = 0.797 90 = 0.820 95 = 0.843 100 = 0.865 105 = 0.886 110 = 0.907 115 = 0.927 120 = 0.947 130 = 0.986 140 = 1.023 150 = 1.059 160 = 1.094 170 = 1.127 180 = 1.160 190 = 1.192 200 = 1.223 210 = 1.253 220 = 1.282 230 = 1.311 240 = 1.339 250 = 1.367

• Bing 90 degree throttle cable guide/adjusters fit Dellorto SHA Carbs.
• Rubber brake switch boots work as intake reducers for Dellorto airbox holes.
• Puch 12mm "round" Bing will fit in place of Sachs "square" Bing on the 505/ motor
• Bing jets will work in Jikov carburetors commonly found on Jawa Mopeds.

Intake

• Peugeot 103, Tomos A35, Daelim and Puch Polini intakes are all interchangable.
• Minarelli V1 intakes will fit Puch and Garelli horizontal cylinders.
• Minarelli, Garelli and Puch exhaust headers can all be used as intakes.
• Honda Urban Express reeds are a bit larger and flow in a more desirable direction. Will fit NC50's with minimal case grinding.
• Puch intakes can be modified to fit a Jawa allowing you to use a Dellorto or Bing.

Cylinder

• Honda NC50 and PA50 top ends are interchangable.
• Tomos A35/A55, Puch and Derbi piston port top ends are interchangable.
• Derbi piston port and pyramid reed, Tomos, Puch and Motobecane all have the same stroke.
• Honda, Peugeot, Derbi flat reed are all really close in stroke.
• Derbi, Honda, Puch and Tomos head bolt spacing is all close enough to not have to move the studs. Just open the holes.
• Minarelli pistons will work in a Demm cylinder.
• Yamaha QT50 rings are the same dimensions and ring end type as those used on MotoGuzzi/Benelli and some Garelli pistons.
• Suzuki FA/FZ50 std bore is 41mm, for when your 40mm cast bore is past its 3rd over.
• Suzuki RM60 piston is 43mm, same as YT/YF60 upgrade for Yamaha QTs. Kawasaki KX60 also drops in
• 40mm X 2mm FG Garelli rings will fit a Casal or a Zundapp 49 cc motor.
• Puch rings are interchangeable with Vespa Ciao rings.
• Derbi 40mm rings fit on Kreidler pistons.

Electrical

• Most moped head lights and tail lights are cross compatible between brands.
• Puch ZA50 flywheel will not work on Puch E50's and vice versa, but the stator plate/magneto will.
• The Sachs 3 wire stator fits Puch.
• Tomos lighting coils will fit Puch stator plates/magnetos.
• Puch flywheel pullers are compatible with the Ducati ignition found on the Tomos A3 as well as the Iskra CDI ignition found on the Tomos A35.
• Kinetic CDI and Vespa points stators are interchangable.
• Tomos, Peugeot, Puch, Derbi and Honda all have the same ignition side taper on the crank. All of these ignitions are interchangable with work.
• 6v 5" sealed beam bulbs are found on small tractors and can be found at tractor supply and auto parts stores.
• 12v 30w sealed beam #4416 is a direct replacement for the stock 6v headlight when installing a Kinetic CDI system on a Vespa.

Exhaust

• Many Puch exhausts will fit Minarelli powered bikes with little modification along with Trac and Batavus motors.
• Tomos, Minarelli, Garelli and Batavus exhausts will fit Jawa cylinders with slight modification to the stud pattern and exhaust bracket.
• Honda Express exhaust will fit a PA50, with the side cover removed.
• Bumper over-riders for 60's VW bugs can be cut up to make exhaust headers for Sachs engines, but the material is very thick and will not clamp well
• Vespa exhausts fit Kinetic TFR with varying stand/pedal/peg complications. TFR USA (2004-present) will not accommodate as many Vespa exhausts.

Engine

• Tomos A3 and A35 crank seals are the same as Sears Allstate Compact (Puch DS60)
• Garelli NOI main bearings are the same as Puch E50, excepting the one with the snap ring. (#6203/C3)
• Yamaha QT50 shares its entire drivetrain platform with the ubiquitous PW50 kids' dirtbike, but geared lower
• Motobecane rear axle nut replaces Derbi PP/ Pyramid, and Peugeot flywheel nut
• 6203 Bearings are the same ones used in Laura M48, Puch E50 and all Jawa motors.
• Peugeot 103 bearings fit Puch ZA50 cases.
• Motobecane bearings fit Honda Hobbit cases.
• Vespa engine parts are interchangeable with Kinetic.
• The nut to hold a Motobecane 7 clutch onto the crank can be swapped for a Puch spoked wheel axle nut. Thread is m11x1 with a 17mm outer diameter.

Transmission

• Peugeot flywheel pullers will work on Jawa 210 clutches.
• Minarelli clutch bells fit KTM50 clutches, which are the same taper as Puch clutches.
• Peugeot 103 clutch pulleys fit on Motobecanes.
• Motobecane clutchless variators fit on Peugeot cranks.
• Vespa and Franco Morini Variated Clutches and Variators are interchangable with each other, although Franco Morini Variated parts are much rarer.
• Minarelli V1 and Morini non-variated starter clutch plates are identical, slippage is often due to flattened ball bearing in center
• The clutch from a Puch e50 is the exact same as the one in a Moto Guzzi Robin
• Peugeot 103 crank/bearings/seals are an exact fit in Peugeot 102 cases

Frame

• JC Penny Pinto, Swinger, Puch Kromag, Magnum and Murray all use the same sidecovers.
• Peugeot, Motobecanes and Honda Hobbits all have very similar fork headtube lengths.
• Hobbit fork and front wheel are suitable upgrades for a Ciao. Using a combination of both headsets, all that is needed is a taller lock nut or spacers.

Other Stuff

• HURET speedometers are used on such brands as Garelli, Morini, Motobecane and Puch.
• Yamaha QT50 brakes will fit a United Angel (Peugeot copy).
• Motobecane Traveler rear wheel substitutes for Puch spoked and already has sealed bearing, has Sparta sprocket bolt pattern
• The pedal crank/sprocket from the Jawa 207 will fit a Puch Maxi, but it will require shimming, and the actual crank on the exhaust side will be too shallow to clear the exhaust. Instead, one can use a Maxi crank on the exhaust side, and with proper shimming, clearance is increased on that side by well over an inch. This might be helpful if you have a large exhaust and clearance issues.
• Most pedal crank arms are interchangeable but grinding may be required.
• Motobecane, Derbi and Peugeot use 9mm wedge pins, 9.5mm is the common size for all others
• the brake plates from any 16" minarelli moped rim, will work on sebring rims..
• Motobecane 50v rear axle nut will work as a flywheel nut for the pug 102/103.
• Honda CR80-R (at least 96-02) fork will fit Puch Magnum with magnum bearings and races.
• Batavus rear sprockets are interchangeable with Peugeot 102 rear wheels.
• Sparta 36T rear sprocket bolts on Puch spoke hubs and Motobecane Traveler
• 13T Morini front sprocket will fit Sachs 504/505 if thickness is removed and a shallow notch is ground into the case for chain relief

Cylinders of the same stroke

See also: Moped and scooter strokes

• 37.4 mm = Morini scooter
• 39.0 mm = Minarelli AM(4/5/6) schakel
• 39.1 mm = Peugeot scooter (ook fox/wallaroo en 103)
• 39.2 mm = Minarelli horizontal LC/AC en vertical scooter
• 39.3 mm = Piaggio scooter LC/AC
• 39.7 mm = Yamaha (DT) schakel
• 39.7 mm = Kreidler schakel
• 39.7 mm = Sachs 50SW
• 40.0 mm = Derbi schakel (85 mm drijfstanglengte)
• 41.4 mm = Kymco scooter
• 41.4 mm = Honda MT5/NSR50/MTX-sh/MTX-ot/MB5/MBX50/MBX80 schakel
• 41.6 mm = Kawasaki AR50/80 schakel
• 41.8 mm = Zundapp schakel
• 41,8 mm = Morini schakel
• 42.0 mm = Minarelli RV4 schakel
• 42.0 mm = Sachs 504 en 505
• 43.0 mm = Gilardoni 43mm slag cylinder (Minarelli horizontal LC)
• 43.0 mm = Simonini 80cc cylinder (Vespa)
• 43.0 mm = Parmakit 80cc cylinder (Minarelli horizontaal AC+LC)
• 43.0 mm = Derbi FDS/FDX schakel
• 43.0 mm = Puch automatic
• 43.0 mm = Tomos automatic