Tech Blog

If you’re working on setting up dual carbs for your bike, check out this guide. Peg from the UK is…

By Dave Porter, Customer and Technical Support at The Bonneville Shop Table of Contents for Triumph Headlamp ShellsLucas SS 700 7”Lucas…

    It’s been said many times that nothing wakes up an old British motorcycle like a new carburetor. Amal carb…

A Bit About Fender Stays “…there are many different configurations of fender stays to be considered when selecting the correct ones…

   Dave Porter, Customer and Tech Support at The Bonneville Shop Barn Bikes Abound – BSA Motorcycles “…not only are they plentiful, but…

Dave Porter, Customer and Tech Support at The Bonneville Shop Work Smarter, Not HarderAdvantages to a Printed Parts CatalogParts Catalog Selection Parts…

Dave Porter, Customer and Tech Support at The Bonneville Shop Steps to Install New Clutch RubbersUsing a Clutch Locking ToolThe Disassembled…

‘Sealing Washers and the Oil-Tight Triumph Engine’ by Dave Porter, Customer and Tech Support at The Bonneville Shop Fiber WashersCopper WashersStat-O-Seal…

Dave Porter, Customer and Tech Support at The Bonneville Shop There are 4 basic steps on how to apply a waterslide…

A motorcycle fender will restore your classic Triumph to its true glory. Don’t put an old, compromised fender on your…

Loose Rotor Nut or Rotr Center: Triumph Service Bulletin Twin 9-70 Dave Porter, Customer and Tech Support at The Bonneville…

Winterizing your classic Brit bike is one of the most important things you can do. For those of us living…

The Nuts and Bolts of Hardware By Dave Porter, Customer and Technical Support at The Bonneville Shop “…a factory parts catalog is…

By Dave Porter, Customer and Technical Support at The Bonneville Shop Converting Your 6-volt British Motorcycle to 12-volts can be a…

130 Link 530 Chains By Dave Porter, Customer and Technical Support at The Bonneville Shop   We recently procured a substantial quantity of…

Motorcycle polish: yes or no? Did you just get your hands on a solid barn bike? How long was it…

By Dave Porter, Customer and Technical Support at The Bonneville Shop ‘The Imperiled Life of the Kickstarter Cotter Pin’Options for Cotter…

By Dave Porter, Customer and Technical Support at The Bonneville Shop A Guide to CablesThrottle cablesClutch CablesBrake Cables As a customer service…

Buy a bearing race puller today. If you’re doing any motorcycle restoration, having the right tools is essential. Bearings, including…

– For Triumph and BSA forks up to 1970 (up to 1974 on the Triumph 500 twins and some of the…

By Dave Porter, Customer and Technical Support at The Bonneville Shop Table of Contents for triumph top end sealingResourcesConsiderations For…

By Dave Porter, Customer and Technical Support at The Bonneville Shop Primary Chaincase Cover: 57-1727 Primary Chaincase Cover: 57-2439 Primary Chaincase Cover: 71-7465 The…

By Mike Grage, Customer and Technical Support at The Bonneville Shop written in partnership with British Iron, our Modern Triumph…

‘A Guide for BSA and Triumph Oil Pressure Switch Identification’ By Dave Porter, Customer and Technical Support at The Bonneville Shop The…

Pattern Parts and Fettling to Perfection By Dave Porter, Customer and Technical Support at The Bonneville Shop Occasionally I receive inquiries from…

By Mike Grage, Customer and Technical Support at The Bonneville Shop Power FlowPotential Problems with LED TroubleshootingLED Troubleshooting: Using LEDs with…

The 1970 Triumph TR6R Build Continues: Rotor and StatorPrimary Chaintiming cover and outer gearbox The 1970 Triumph TR6R Build Continues: Rotor…

The 4th One – 1970 Triumph TR6R RepairFinding a Barn BikeDisassemblyEvaluating the Parts and PrepWheels and forksEngine Cases, Crank and…

How the Triumph Daytona Came to BeDoug Hele and the Daytona1967 – 1969 Triumph DaytonaThe end of the Classic Triumph…

By Mike Grage, Customer and Technical Support at The Bonneville Shop The Chrome of Before – Real ChromeLegislative ChangesTrivalent Chrome The Chrome…

By Mike Grage, Customer and Technical Support at The Bonneville Shop Function of Electronic Ignition SystemsTesting Functionality Here at The Bonneville Shop…

1964 Forks – Eliminating Oil Leaks By David Porter, Customer and Technical Support at The Bonneville Shop One topic that comes up…

By Mike Grage, Customer and Technical Support at The Bonneville Shop How to Wire it UpSetting the Timing So, you bought a…

SpecsFitment ChallengesSolutions We have recently taken delivery and sold through our initial shipment of Girling’s new 37-4275G Stainless Floating Brake Disc…

BSA Motorcycles: Thunderbolts and Lightning, very, very frightening me! (Galileo) Galileo (Galileo) Galileo… By David Porter, Customer and Technical Support at The…

By David Porter, Customer and Technical Support at The Bonneville Shop Clutch Plates AND Springs Clutch Plates When evaluating the clutch plates and…

By David Porter, Customer and Technical Support at The Bonneville Shop …and how would you know a 1978 Triumph Bonneville if…

Checkout Cam Timing Notes Part I here and The Brain of Your Triumph B Range Engine- the Camshaft. Lobe CentersThe Parts of…

Made in the UK Speedwell Mudguards uses the original tooling and machines to replicate OEM length, width, radius and even…

By David Porter, Customer and Technical Support at The Bonneville Shop Establishing Ignition TimingConverting to an Electronic IgnitionFully Advanced Timing PositionUsing…

Have you seen our blog on Cam Timing Notes or Cam Timing Notes – Part II? Dave has written up a…

By David Porter, Customer and Technical Support at The Bonneville Shop Lucas Console Switchgear Guide The Back Story During the late 1960s, the…

By Mike Grage, Customer and Technical Support at The Bonneville Shop How it Produces ElectricityStator TestingRectifier TestingRegulator Testing 12 Volt Charging System…

Layshaft Needle Bearing Installation Tool By David Porter, Customer and Technical Support at The Bonneville Shop Installation InstructionsShop The Layshaft Need Bearing…

Function of Carburetor Mounting OringsThick 244/1048 OringsThin 622/101 OringsAdditional HardwareMeasuring the Gap By David Porter, Customer and Technical Support at The…

By David Porter, Customer and Technical Support at The Bonneville Shop Custom Motorcycle CableChoke and Throttle CablesFront Brake custom motorcycle cable Custom…

By David Porter, Customer and Technical Support at The Bonneville Shop From time to time, we receive reports from customers working…

By David Porter, Customer and Technical Support at The Bonneville Shop Background Service Bulletin 4/72 focused on the hydraulic disc brake and…

By David Porter, Customer and Technical Support at The Bonneville Shop Having trouble fitting Triumph parts to your vintage bike?What is…

By David Porter, Customer and Technical Support at The Bonneville Shop BackgroundService Bulletin 10-69Amal Concentric Carbs – Parts Background On May 1, 1969,…

……and What is the Difference? Genuine Lucas Brand 54957095 G Wiring HarnessOur Unbranded 54957095 Wiring HarnessWhich harness one should I buy? We…

By David Porter, Customer and Technical Support at The Bonneville Shop Wear limits of parts on 50, 60, 70 year old…

Stacy gives some tips on using your oven to help remove the main race bearing on our 1968 Triumph T120R….

When rebuilding your bottom end, you want to ensure you have the right clearance on your bottom end bearings. Stacy…

By David Porter, Customer and Technical Support at The Bonneville Shop      Is countershaft sealing the issue? We are often…

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.            …

By David Porter, Customer and Technical Support at The Bonneville Shop Triumph SERVICE BULLETINBulletin No. 14-69 (Page 2) May 2, 1969Lubrication…

Next in the series of rebuilding our 1968 Triumph T120R we’re using our parts washer to clean the crank and…

Carburation To understand the basics of Triumph carb tuning, it is necessary to understand what carburetion is, what it does, and…