Crankshaft from Mazzucchelli for Puch MV / VS / MS / DS, Monza, Grand Prix and X50 small engine bikes with 3- and 4-speed engine.
The shaft has a bronze bearing bush instead of a needle bearing for the piston pin.
Dimensions of the crankshaft:
Note: Not suitable for the Swiss X30 models with Z50 engine.
Quality product from the Italian manufacturer Mazzucchelli.
Details
Manufacturer | Mazzucchelli |
Material | Steel |
Cheek type | standard |
Crankshaft stroke | 43 mm |
Area of application | Standard |
Thread type | MF10x1 (fine pitch thread) |
Ø piston pin (B) | 12 mm |
Connecting rod length center-center | 90 mm |
Total length of crankpin on clutch side | 75 mm |
Total length crankpin ignition side | 68 mm |
Ø crank webs | 69.6 mm |
Ø Connecting rod eye | 14 mm |
Ø Bearing seat (clutch side) | 17 mm |
Ø Bearing seat (ignition side) | 17 mm |
Thread length | 8 mm, 12 mm |
Wide crank webs | 34.1 mm |
Length 1st paragraph | 23 mm |
Length 2nd paragraph | 12 mm |
Length 3rd paragraph | 18.5 mm |
Ø 1st step (on the coupling side) | 17 mm |
Ø 2nd shoulder (on the clutch side) | 15 mm |
Length of shoulder (ignition side) | 25 mm |
Weight | 927 g |
Number of gears | 2 pcs, 3 pcs, 4 pcs |
Suitable for the following models
Puch | 2-Gang MS, MV, MV50 |
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