Service Bulletins

Rigid Rear Wheel Bearing Replacement

Rigid Rear Wheel Bearing Replacement

If you’ve worked with the rigid frame Triumph rear wheel, you already know that it is its’ own unique setup with particularly unique wheel bearings. With few options for new bearing replacements, all of them on the expensive side, you may consider other wheel hub options. When the swing arm was introduced in 1954, the rear hub changed to accept […]

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Early 500cc Crankshaft Revival!

Early 500cc Crankshaft Revival!

No need to replace the early three-piece 500cc crankshaft with a two-piece 650cc one…sometimes an old fashioned revival does the trick!

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American Triumph Service Bulletin – Charging System

American Triumph Service Bulletin – Charging System

In this American Triumph Service Bulletin, Geoff takes on the charging system.

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