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…or 70-4752: Sealing rings, square-section seals, usually clear or white in color measuring .095” or 125” thick. 71-1283: O-ring(s) fitted in bottom flare and on top shoulder of pushrod tube….
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 »
Checkout Cam Timing Notes Part I here and The Brain of Your Triumph B Range Engine- the Camshaft. By Mike Grange, Customer and Technical Support at The Bonneville Shop This cam timing blog is intended to be informative and educational only. Â The Bonneville Shop is not responsible for any damage that may occur when performing any
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…
VIDEO: Removing the Main Race Bearing Read More »
…rods must be removed, but measurements can be taken with both the existing rod bearings or new replacement bearings fitted, confirming that the journal diameters are within specification for service….
By David Porter, Customer and Technical Support at The Bonneville Shop Triumph SERVICE BULLETIN Bulletin No. 14-69 (Page 2) May 2, 1969 Lubrication – Rocker Arm, Ball End Assembly Order…
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 »