Sell 8pcs Petrol Engine Cylinder Compression Tester Kit Automotive Tool Gauge best price

Checking Compression On Petrol Engine Quickly And Accurately Easy Pressure Release Button On Side Of Tester Completed Kit Comes With Adapters For Most Applications Kits Includes 2 Rubber Cones Ends Which Do Not Need To Thread Into Head 3" Gauge Features Dual Color Scale Brass Adapters M10 M12 M14 M18 Double-scale Gauge Resin watch cover lightweight and anti-scratch. Rubber cover for outstanding shock-absorption performance. 0-20bar 0-300psi Portable Case Come with detailed instruction. Instructions: 1.Start the engine and run to normal operation (cooling water temperature 70-90 °). 2.The engine stops working, remove the dirt around the spark plug and remove the spark plug. 3.Place the throttle choke in the fully open position. 4.Press the tapered rubber joint of the cylinder pressure gauge against the spark plug of the cylinder to be tested (or screw the threaded pipe joint onto the spark plug hole). 5.Use the starter to drive the crankshaft to rotate for 3~5 seconds (not less than four compression strokes). Read the reading after the pointer is stable, then press the check valve to zero the pointer. 6.Repeat the previous step, the number of measurements per cylinder is not less than 2 times, and the measurement results should take the average of the number of measurements. 7.According to the above method, measure each cylinder in turn. If you have any question, please contact us. We will help you handle the problem as soon as possible.