BSA Tench Regulator - Service Kit

BSA Tench Regulator - Service Kit

This is for a service kit for the Tench regulator fitted to BSA Ultras, Scorpions, Hornets and R-10s. If you are getting a leak or you are carrying out maintenance you may want a set of these.

The largest O ring is for the regulator body,

The smallest and second largest O rings are for the piston,

The second smallest is for the brass pressure adjuster.

You are buying a service kit, which consists of a number of O rings, you are not buying a regulator.

How to service a Tench regulator video


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