Solid-flange crankshaft for Puch MV / VS / MS / DS, Puch Monza, Puch Grand Prix, and Puch X50 small motorcycles with 3- and 4-speed engines.
Not compatible with Swiss X30 models equipped with a Z50 engine.
For increased pre-compression, the balancing holes in the racing crankshaft are sealed with aluminum inserts.
Total length of the clutch-side journal: 73 mm
Total length of the ignition-side journal: 66 mm
Ø 1st step (clutch side): 17 mm
Ø 2nd step (clutch side): 15 mm
Ø Step (ignition side): 17 mm
For 12 mm piston pins
Brand-name product from the manufacturer NC-MOTORPARTS.
| Manufacturer | NCMotorparts |
| Cheek type | Full cheeks |
| Total length of crankpin on clutch side | 73 mm |
| Total length crankpin ignition side | 66 mm |
| Ø piston pin (B) | 12 mm |
| Ø Bearing seat (clutch side) | 17 mm |
| Ø Bearing seat (ignition side) | 17 mm |
| Number of gears | 3 pcs, 4 pcs |
| Area of application | Tuning |
| Puch | 3-speed VSD, DS, VZ, MC |
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