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Triumph T100 Top End – The Conundrum of Triumph C-Range Top-End Compatibility Unfortunately, I have chosen to take on a topic that usually results in confusion and misunderstanding. As the resident anorak and customer service guide for The Bonneville Shop, I have set out to compile a timeline for the running changes during the […]
The Conundrum of Triumph C-Range Top-End Compatibility Read More »
‘Sealing Washers and the Oil-Tight Triumph Engine’ by Dave Porter, Customer and Tech Support at The Bonneville Shop We have been working on assembling various kits over the past few months, with the latest kits comprised of fiber and copper washers, as used on BSA, Norton, and Triumph engines, gearboxes, and forks. The idea is
Sealing Washers and the Oil-Tight Triumph Engine Read More »
…intake gasses, which also cools the combustion chamber, this happens until the exhaust valve closes ATDC. The intake gasses are moving fast enough for the laws of momentum to take…
Cam Timing Notes – Part II Read More »
    This overview of the camshafts and their function in the 650 and 750 Triumph B Range Engine is intended to help familiarize the engine builder with the evolution and applications of the intake and exhaust camshafts. The specifications of cam timing, duration, and lift are covered in detail in a previous blog, titled “Cam
The Brain of Your Triumph B Range Engine- the Camshaft Read More »
By David Porter, Customer and Technical Support at The Bonneville Shop From time to time, we receive reports from customers working on piston ring replacements on their Triumph engines and the measured ring end-gaps appear to be out of specification. There can be several reasons for this perception. Sometimes, the technician performing the job simply
Triumph Service Bulletin 11/71 – Piston Ring Replacement Read More »
Wear limits of parts on 50, 60, 70 year old bikes should be top of mind. One of many considerations the restorer or engine builder is faced with is whether a part or assembly is rubbish or can be put back into service. Wear limits factors include a preference to retain originality, taking advantage of
Wear Limits on Measured Parts & the “Nicholson’s Specifications” Read More »
Stacy’s expert advice covers a range of topics related to removing the main race bearing on a 1968 Triumph T120R. The tips he shares include using specialized tools specifically designed for this task. Additionally, he suggests an unconventional method of utilizing an oven to aid in the removal process. By following Stacy’s guidance, you’ll have
VIDEO: Removing the Main Race Bearing Read More »
How to Measure Your Connecting Rods 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. About the Plastigauge Kit The Plastigauge kit is an essential tool for the engine builder. Big-end crank journals are measured for
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
Triumph Bulletin – Lubrication Rocker Arm, Ball End and Assembly Order of Spring Washer Read More »
Next in the series of rebuilding our 1968 Triumph T120R we’re using our parts washer to clean the connecting rods and crank. Video: Cleaning the Crank and Connecting Rods Steps on Cleaning Remove the sump cap and trap so that you can flush solvent into the crank. Put the connecting rods in the solvent tank/parts
VIDEO: 1968 Triumph T120R Rebuild – Cleaning the Crank and Connecting Rods Read More »