I have been running a Boyer Brandsen ignition in my Triumph Bonneville & BSA Lightning since 1992 and have covered thousands of miles with out any problems
Chances are your neck bearings are toast and should be replaced
***Very Important Information***
Thunderbolt & Firebird models) from 1966-1969
We have many sizes in-stock ready to ship
Triumph Replacement Clutch Push Rods (1) - TR6 / T100 / T140 / T120 / Etc - Choose Rod Type / Application 82-8090 I have been running aIf your clutch push rod is worn beyond use then we highly recommend installing a new clutch pushrod. We stock a high quality English made rod and a rod made in the USA by Kibblewhite. Each rod will replace part number 57 1970, T1970, 57 1736 and T1736. All rods are heat treated to ensure longevity. Fits all Triumph 650 & 750 Unit Twins (Bonneville, T120R, T140, Tiger, TR6, TR7, Trophy, TR6C, TSS, TSX, etc) from 1963 1982. Also fits all Triumph 350 &