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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 »
By Dave Porter, Technical and Customer Support at The Bonneville Shop In this blog I will cover some information regarding the Amal Concentric MK1 carburetor floats and float needles. Preliminary checks of fuel level in the petrol tank, adequate flow of fuel through the petcocks (and inline filters, if fitted) , and fuel flow
A Look at the Amal Concentric Floats Read More »
By Mike Grage, Technical and Customer Support at The Bonneville Shop and British Iron. You might have noticed something, that those Keihin and Mikuni carburetors on your late model Triumph are not your grandpa’s Amal’s. But they are very similar in function to the Bing carbs Triumph used on your dad’s 1982 Bonneville Executive. Most of the
Constant Velocity Carburetor Cleaning/Tuning Tips & Tricks Read More »
By Dave Porter, Technical and Customer Support at The Bonneville Shop If you’re working on setting up dual carbs for your bike, check out this guide. Peg from the UK is and an avid Brit bike rider and well versed in the ways to keep them up and running. Whether you’re setting up Amal’s or
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 »
Table of Contents Background Service Bulletin 10-69 Amal Concentric Carbs – Parts Background On May 1, 1969, Triumph published Service Bulletin Number 10-69, pertaining to the Amal Concentric carbs. The…
Triumph Service Bulletin 10-69 – Amal Concentric Carbs Read More »
Carburation To understand the basics of Triumph carb tuning, it is necessary to understand what carburetion is, what it does, and how it works. Carburetion is the mixture of fuel and air to form an explosive mixture for use in an internal combustion engine. Engine’s require specific fuel/air mixtures to run properly and efficiently. The
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 »