This automotive Engine cylinder pressure tester instrument kit works with most car models with gasoline engines.Compatible with gasoline engines for cars, motorcycles, trucks, lawn mowers, ATVs, etc. It comes with adapters and pipes in different size to fit different models. It is widely used for checking compression on engine cylinder quickly and accurately.

Material: Metal, Rubber Color: Black Pressure gauge diameter: 75mm Five thread size: M10 x 1.0mm, M12 x 1.25mm, M14 x 1.25mm, M16 x 1.5mm, M18 x 1.5mm Hose overall length: 16inch Hose with tension bar length:16inch extension tube bar length: 8 inches Straight Pressure tube length: 153mm Angled pressure tube length: 155mm Package Included: 1x spring buckle gauge (max 300psi or 20bar) 5x brass adapters M10, M12, M14, M16, M18 1x straight connector 1x angled connector 1x extension tube bar (8 inches) 1x extension rubber hose (16 inches) 1x hose with tension bar 1x detailed operating instruction 1-set of tools kit How to Use: 1. Start the engine and run to the normal working temperature. After the engine stops running, unload all spark plugs; 2. Make the throttle fully opened and press the connection of the pressure gauge on the spark cold hole; 3. Motors drive the engine to rotate at 100-150R/MIN speeds for 3-5 seconds. At this point, the pointer on the instrument will gradually rise, but will stop at a certain value. At this time, the indicator value is the compression pressure of the cylinder; 4. Press the button to zero the pointer; 5. According to the above steps, the measurement is repeated 2 to 3 times to improve the measurement accuracy.

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