Good compression on your engine will be between 10 and 14 bar and all four should be around the same
pressure with not having more than 5% difference.
All spark plugs should be removed for this test .
A telltale sign is with a hot engine and the rad cap removed you will see bubbles surfacing up the neck of the top .
A better way is to do a Co2 test .
Watch the video attached it will show you what tools are needed and how to do this .
Please click here for demonstration video .
Still need additional information then please get back to me with the reply button, and not the poor or bad service, this way i can get back to you or suggest another expert if needed.
Your deposit does not pay me until the answer is rated in a positive way,
A bad rating does not constitute a refund.
If you are not happy or you have sorted out your problem before the answer then please let me know with the reply button .
Kind regards Greg.