A50 A65 Crankshaft worm drive pinion

Add to Cart

Crankshaft worm drive gear made from correct material and heat treated to the correct hardness, and with correct worm thread pitch; can be used with original BSA oil pump and SRM oil pump.

Torque to original BSA specification, must be used with the end thrust washer as original fitment to prevent teeth from cracking against the crankshaft pinion gear, washer BSA part number is 67.0645 

Part Number:
2 × 3 × 2 cm
0.03 kg
Bike Model: 
A50 / A65
United Kingdom VAT Rates: 
GB Standard