When rebuilding your bottom end you want to ensure you have the right clearance on your bottom end bearings. Stacy goes over using Plastigauge get a proper measurement.

Countershaft Sealing By David Porter, Customer and Technical Support at The Bonneville Shop        We are often times confronted with mysterious leaks and are confounded by trying to establish the origin of the misplaced oil. Triumph issued a service bulletin in 1973 pertaining to a leak occurring through the splines on the mainshaft high-gear. Triumph issued a Service Bulletin on 10/23/73 pertaining to a leak occurring through the…

We have a few notes for you on the features of these brake shoes! Check out the short video below!  

Check out the short video where Stacy goes over some of The Bonneville Shop tools!                               “Why do we have 3 different tools to basically do the same thing?”   Hey Guys, this is Stacy at The Bonneville Shop here to talk about front end tools because for some reason we started talking about it! Basically…

Triumph Bulletin – Lubrication Rocker Arm, Ball End & Assembly Order of Spring Washer By David Porter, Customer and Technical Support at The Bonneville Shop A change was made in the lubrication of the rocker arms and push rods during the later part of 1968. Beginning with 650cc engine number DU79965 and 500cc engine number H63307, the drilled hole in the rocker arm to supply oil to the ball end…

Triumph Carb Tuning Basics To understand the basics of carburetor tuning, it is necessary to understand what carburetion is, what it does, and how it works. Carburetion is the mixture of fuel and air to form an explosive mixture for use in an internal combustion engine. Fuel is introduced to the carb via a float chamber, then entering the mixture chamber of a carburetor via metered circuits depending what stage…