New Koyo Triumph and BSA singles kickstart quadrant needle bearing.

This needle bearing will fit inside your kick start quadrant and in your crankcase for your layshaft.

We have tried other brands and have found that Koyo are the only ones that can withstand the stresses of motocross

Fits all BSA unit singles (C15, B40, B25, C25, B44, etc) from 1958-1972.

Also fits Triumph singles (TR25W Trophy, T25SS, etc) from 1968-1973

BSA Triumph Layshaft bearing Koyo 40-3292 70-8005 B108

Add to Order

Click any of the line items below to add them to your order.