Compression Tester Kit

A compression tester is one of the simplest and most effective tools for assessing the condition of an engine, especially on older motorcycles. Before tearing an engine apart or chasing carburetion and ignition issues, a compression test gives a clear picture of what is happening inside the cylinder.

This kit allows you to measure cylinder pressure accurately, helping identify worn rings, tired bores, leaking valves, or head gasket issues. On classic British bikes, where engines may have sat unused for long periods, a compression test is often the first and most important step in recommissioning.

The kit includes a clear dual scale gauge and multiple adapters to suit common spark plug sizes, making it suitable for a wide range of classic motorcycles. The hose and fittings allow easy access even on tighter engine layouts.

An essential diagnostic tool for Triumph, Norton, BSA, and similar machines. Whether checking an engine before purchase, confirming the health of a fresh rebuild, or diagnosing a running issue, a compression tester belongs in every classic bike workshop.