Premium OEM-specification Woodruff key for Minarelli AM6 50cc crankshaft assemblies.

Maintains precise gear alignment and eliminates rotational play on the clutch side, ensuring reliable power transfer and engine stability.

Fits Rieju MRT, Derbi GPR, Aprilia RS, Yamaha TZR/DT, Beta RR, and compatible AM6-equipped models. Direct replacement for worn or damaged originals at a fraction of OEM pricing.

Dimensions : 20 × 4 × 4 mm

Cross-references :

• Yamaha/MBK 902820480600
• Rieju 0/005.490.1180
• Sherco Y086
• Aprilia AP8206264