Product Details
DESCRIPTION: Performance Crankshaft for Minarelli 50cc, 2-stroke engines with a 10mm wrist pin. This is a Stuffer crankshaft with a 41.4mm stroke (+2.2mm)!The additional plastic padding increases primary compression which higher RPM engines tend to favor.41.4mm Stroke Stuffer CrankshaftOverall length: 9½ inches17 SplinesFlywheel Thread Size: M10x1.25Drive End Thread Size: M10x1.25Inner Diameter of Piston Pin Hole: 14mm40QMB 50cc 2-stroke
Additional information
| Weight | 2.8 lbs |
|---|---|
| Dimensions | 6 × 4 × 2.1 in |
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 50cc, Minarelli, 2-Stroke
- Fitment Notes: Performance
Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible scooter. If your scooter has multiple versions or production changes, confirm the correct match before ordering. Check photos, measurements, original part numbers, engine code, model, and related fitment information whenever possible.
Common Fitment Questions
Q: Is this for 50cc scooters?
A: This SKU is listed with 50cc engine-size fitment. Confirm exact model, year, and part style before ordering.
Additional information
| Weight | 2.8 lbs |
|---|---|
| Dimensions | 6 × 4 × 2.1 in |





