2013年10月9日 · Does anybody know what the factory spec cylinder compression (PSI) for the following engine should be? 1998 Piaggio Liberty 125cc 4 stroke pre-leader engine Thanks,

2012年5月30日 · Type "Compression Test" into the search bar... lots of stuff comes up. A compression tester can be had at any auto parts story (bought or borrowed/rented) it will look …

How to check the compression of your scooter's engine using the proper tools. Tip Jar (Did this video help you?) https://paypal.me/49ccscootLike and Subscrib...

2013年5月3日 · I got the compression tester, but it is really impossible to test the compression with it, unless I pull the engine off the frame, not ready for that yet. The compression is 10.3:1 …

2010年10月19日 · Does anyone know of a mathematical way to determine "good compression" based on the compression ratio given for a cylinder bore and piston size? For example, for my …

Find many great new & used options and get the best deals for Digitek 020460Y Vespa PIAGGIO X9 Geliera Diagnostic Tester Like at the best online prices at eBay! Free shipping for many …

It's a good idea to disconnect the Air Injector (you could do the fuel as well, but not as important) when doing a compression test so you don't flood the engine. If you are just doing 1 test, with …

2013年8月23日 · I now have the engine removed from the bike but I can only get 6 bar max from my compression tester when cranking it over. The piston and barrel look perfect but that's all I …

2016年3月8日 · Hello folks :) I have surfed a big part of the forum and all FAQ Sticky in an attempt to find a guide on how a compression testing is performed correctly. I want to be able to test …