Finally, you also get a small-engine tester for use on lawnmowers ... J&R has distilled the engine compression tester to its ...

Get yourself a compression tester and find out ... Finally, you also get a small-engine tester for use on lawnmowers and snowblowers that consists of a flex hose with a gauge built into the ...

Compression test kits do just what they say: measure the ability of each cylinder of your engine to combust the fuel/air mixture without losing any of the resulting energy. While they're not as ...

A compression test reveals the condition of your engine's valves, its valve seats, and piston rings and whether these parts are wearing evenly. Healthy engines should have compression over 100 psi ...