Amal MK1 Concentric service kitThis kit is for the servicing of all 600 and 900 series MK1 concentric carbs. It includes gaskets, o rings, fuel filter, needle clip, pilot air screw, throttle stop screw, and viton tipped float needle. Genuine Amal part # 622 238. An excellent value, made in UK.

This head can be identified by having a bevelled edge leading into the combustion chamber

unlike C630 bronze guides

and the aluminum needle is a great improvement over the brass needle on concentrics

Amal Aluminium Premier carbs have a forged hard anodized aluminum slide

When they begin to fail there are usually tell tale signs

and instructions

please select whichever is most common for your application

Triumph factory part number 70-3706

much tighter tolerances than factory can be used successfully for quieter operation

C630 bronze and Manganese bronze

095” thick Pushrod tube seals (70-3547 or E3547)

These 750 unit rocker box gaskets replace Triumph part # 71-2599 or E12599