Click here to return to the Tech Blog page.
…Preliminary checks of fuel level in the petrol tank, adequate flow of fuel through the petcocks (and inline filters, if fitted) , and fuel flow through the inlet banjo and…
A Look at the Amal Concentric Floats Read More »
By Mike Grage, Technical and Customer Support at The Bonneville Shop and British Iron. Carb Cleaning and Tuning Float Bowl/Fuel System Ventilation: Float Bowl Fuel Level: Pilot (idle) circuit: Keihin…
Constant Velocity Carburetor Cleaning/Tuning Tips & Tricks Read More »
…have a points setup, especially look for loose springs connecting the bob weights. Set the ignition timing exactly for both left and right cylinders. Change the needle jets, they will…
Setting Up Dual Carbs Read More »
By Mike Grage, Technical and Customer Support at The Bonneville Shop written in partnership with British Iron, our Modern Triumph parts store. Right to Repair Legislation Introduced On February 2, 2022, H.R. 6570 was introduced to Congress and was referred to the Subcommittee on Consumer Protection and Commerce. Right to Repair Legislation has not moved
The Importance of Right to Repair Legislation Read More »
By Dave Porter, Technical and Customer Support at The Bonneville Shop Function of Carburetor Mounting Orings Frequently, confusion arises over which carburetor mounting Orings should be used when fitting Amal Concentric carburetors to Triumph twin-cylinder engines, or whether an O-ring should be used at all. We offer 3 different carburetor O-rings: the 244/1048, as used
Carburetor Mounting Orings: 622/101 Thin vs 70-9711 Thick Read More »
Background On May 1, 1969, Triumph published Service Bulletin Number 10-69, pertaining to the Amal Concentric carbs. The bulletin, which appears to have been influenced by the West Coast Triumph distributor, Johnson Motors, explains the changes made to the late 1968 and 1969 Triumph models to enhance engine performance in the 1968 models which were
Triumph Service Bulletin 10-69 – Amal Concentric Carbs Read More »
…the pilot screw. As the pilot circuit is the smallest fuel circuit within a carb, it is usually the first place to look for faults. Fuel, especially modern ethanol fuel,…
Triumph Carb Tuning Basics Read More »
Current production Amal & Wassel carbs almost always arrive to us with adjustable ferrules screwed into the carb tops. While Norton and BSA utilized the throttle ferrules, Triumph fitted throttle cables with top-hat shaped ferrules designed to seat into the top of the carburetor. So, if you’ve purchased a new carb or carbs for your […]
VIDEO: How to Fit New Concentric Carbs with Old Cables (Triumph) Read More »