BSA Unit Twins Oil Pump Tachometer Worm Gear Spindle 68-0310 1965-72 A65L A65S Modern Motorcycle Mechanics Also fits BSA twins (A65

Also fits BSA  twins (A65

Measures approx 17" in total length with a thickness of

*****Please note that there are two conditions (types) of this bearing under the same 60-4100 part number

M Part number is 68-0638 or 71-3288

M Part number is 71-3256

BSA Unit Twins Oil Pump Tachometer Worm Gear Spindle 68-0310 1965-72 A65L A65S Modern Motorcycle Mechanics Also fits BSA twins (A65*Just Arrived!* New English Made BSA Unit Twins Oil Pump Rev (Tachometer) Counter Oil Pump Worm Drive. Did your Tachometer Gauge Fail? Or did your Cable bind resulting in a Broken Worm Gear? Well we have the Solution to your Problems! This New Rev Counter Worm Gear is as good as it gets! Brand New Production made on New Tooling! Correctly Machined, Designed & Hardened! Just as good, if not better then O. E. M.! Fits BSA Unit 500 & 650 Twins