Triumph Bulletin – Lubrication Rocker Arm, Ball End & Assembly Order of Spring Washer

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…

Using a Tap to Remove the Sludge Trap from Our 1968 T120R Triumph Crank

Who knows how long our crank has been sitting around with oil in it, but from the trouble it was to get the sludge trap tube out, it must have been a long time. Disclaimer: Yes we are building a Triumph, yes we are The Bonneville Shop and YES Stacy is wearing a BSA shirt. That’s because we like all motorcycles; don’t let it get you down!

Triumph Carb Tuning Basics

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…

Removing the Sludge Trap from the Crank – 1968 Triumph T120R Rebuild

Time for some engine work! Stacy is working to remove the sludge trap plug on our crank so we can change out the sludge trap tube on our 1968 Triumph T120R. Spoiler: It doesn’t come out easy! If you’re restoring your vintage British motorcycle or if it’s been sitting for a while since it last ran, you’ll want to check your sludge trap tube to see if needs to be…

Has the 446 LED Main/Dip Beam Tripped You Up?

Has the 446 LED Main/Dip Beam Tripped You Up? By Stacy Slay, Customer and Technical Support at The Bonneville Shop The 446 LED headlamp bulb is a technological marvel, and considering its modest draw from the electrical system, it is a “must have” for almost all owners of vintage British or American motorcycles (who can forget Harleys generator engines, they could really use this headlight). The chip is designed to…

Jürgen Day at The Bonneville Shop

Jürgen is one of our tech and customer support guys at The Bonneville Shop. After 22 years in the Navy he wanted a hobby that pays and found his way here! When he’s not here he likes, l̶o̶n̶g̶ ̶w̶a̶l̶k̶s̶ ̶o̶n̶ ̶t̶h̶e̶ ̶b̶e̶a̶c̶h̶,̶ ̶a̶v̶o̶c̶a̶d̶o̶ ̶t̶o̶a̶s̶t̶ ̶a̶n̶d̶ ̶a̶ ̶q̶u̶a̶l̶i̶t̶y̶ ̶p̶e̶d̶i̶c̶u̶r̶e̶.̶ He’s also providing how-to tips and tutorials on our YouTube series as we work to get our 1968 T120R Triumph up and…

Purchasing Exhaust Pipes: Do You Need Spigots?

Purchasing Exhaust Pipes: Do You Need Spigots?    *Want to watch a quick video instead of reading the blog? Scroll down to the bottom for our video on spigots!      When deciding which exhaust system is right for your bike it is important to know what head your motor has. Never assume that there is such a thing as stock when it comes to a British bike. Some 1970s…

Why Don’t You Sell Timing Cover Gaskets for Triumph Twins?

Why don’t you sell Triumph 500/650/750 timing cover gaskets? We get plenty of requests for Timing cover gaskets, and the only way we actually sell them is in complete gasket kits. We don’t make the gasket kits in house, we source them from Coventry Spares, and find the quality of them to be fantastic. If we had our way, we wouldn’t actually include the timing cover gasket. You may wonder…