Click here to return to the Tech Blog page.
Amal Concentric MK1 Choke Dave Porter, Customer and Technical Support at the Bonneville Shop Occasionally, the topic of chokes and their operation on 600 and 900 series Amal Concentric carburetors is brought up on the various internet forums, as well as by customers calling in with unexplained rich running conditions and chronically fouled spark plugs.
Understanding the Choke on Amal Concentric MK1 Series Carburetors Read More »
A Guide to Motorcycle Basket Case Dave Porter, Technical and Customer Support at The Bonneville Shop The opportunity to acquire a purportedly “complete motorcycle basket case” vintage bike project arises, and with it comes dreams of the finished project. The allure of seven tubs of parts, an engine in a complete state of disassembly,
A Guide to British Motorcycle Basket Case Projects Read More »
Lacing a Cross 3 Pattern Rear Disc Wheel A note about Lacing a Cross 3 Pattern Rear Disc Wheel: Your new rim may not lace up in the same pattern of your existing rim. For example, the Triumph disc rear from the factory used a couple of different dimple patterns of their rims, some used
Process Guide: Lacing a Cross 3 Pattern Rear Disc Wheel Read More »
Dave Porter, Technical and Customer Support at The Bonneville Shop. Motorcycle Wheel Building One of the more satisfying elements of the restoration of a vintage motorcycle is the refurbishment of the spoked wheels. From rusted, bent, and unsafe rims to dull corroded spokes and nipples, the transformation to bright and shiny rims and spokes
Wheel Building – Starting For Success Read More »
Considerations for Handlebar Changes By Mike Grage, Technical and Customer Support at The Bonneville Shop and British Iron. Most people in the motorcycle world want to make their bike their…
Handlebar Changes and cables Read More »
An Overview of the Smith’s BG5330 Speedometer Drive Units By Dave Porter, Technical and Customer Support at The Bonneville Shop Most vintage British motorcycles from the mid-1960s into the 1980s were originally fitted with Smith’s or Veglia magnetic speedometers which are driven by a gearbox unit mounted to the rear hub. A fixed drive ring
An Overview of the Smith’s BG5330 Speedometer Drive Units Read More »
…one of this blog series, of Hinckley Triumph maintenance and restoration we pulled our bike out from wherever it was sitting and checked to see if it would run. The…
Part 3: Resurrecting A Barn Find Hinckley Read More »
early 2AR Lucas 36403 ammeters By Dave Porter, Technical and Customer Support at The Bonneville Shop Lucas supplied the 2AR ammeter for use in Triumph 650 motorcycles from 1962 through 1970, specified for both the 6 and 12 volt charging systems. The early unit-construction coil ignition models were specified with the Lucas 36296 or
Fitting the Lucas 36403 Ammeter Read More »
Triumph T140 Rear Rim Retrofit and Service Bulletin 4-77 By Dave Porter, Technical and Customer Support at The Bonneville Shop Triumph T140 Rear Rim Retrofit and Service Bulletin 4-77 After reviewing some old Triumph Service Bulletins, I came across one that may be of interest to restorers of the 1976-1977 Triumph 750 twins, number 4-77,
Triumph T140 Rear Rim Read More »
…Triumph CV Carburetor Cleaning and Tuning FAQs How do I know if my Triumph’s carburetors need cleaning or rejetting? Why does my carbureted Triumph stumble when I open the throttle…
Constant Velocity Carburetor Cleaning/Tuning Tips & Tricks Read More »