how to check motorcycle compression without a tester

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  • How to do a compression test on a motorcycle?

  • How to do a Compression Test on a Motorcycle. To run a compression test on your motorcycle engine: Remove all of the spark plugs. Turn off the ignition or ground the spark plugs. Insert the pressure gauge hose fitting into the spark plug hole of the cylinder you want to test first.

  • How do you check the PSI of a compression tester?

  • Check the compression tester for the value recorded. Reset the compression tester gauge and repeat the test 3-5 more times to check for consistent results. Write down the PSI of each test in a maintenance log so that you can look back at them the next time you perform a compression test.

  • What is the best way to test a motorcycle engine?

  • There are two different ways that you can test the engine, warm or cold. 鈥淭hey say鈥?the test should be done after the engine is warmed up. This allows for the bike to reach operating temperature and give a more accurate compression test.

  • How can I tell if my bike is losing compression?

  • Do a compression test on your bike when you get it, whether its new or used and save the PSI number somewhere. Use this number as a reference in the future when you do another test to determine whether or not you are losing or gaining compression.