One Of The Best Tips About How To Check Snowmobile Compression

Automotive engine cylinder leak down compression test motor pressure gauge, include engine cylinder stethoscope.

How to check snowmobile compression. Compression tester is more of a comparison. Help need some help don't want to. Do you warm up the motor first, then check?

Should be within one or two pounds same compression. Joined feb 11, 2009 · 1,479 posts. For a proper compression test you have to zip tie the exhaust valves closed.

Make sure the throttle is wide open. Ricko does a compression test on an arctic cat mountain cat snowmobile twi different ways. If your snowmobile is not as powerful as it once was or isn’t.

That is the running compression. Once with no throttle and again with the throttle wide open. Can someone please tell me how to correctly check compression?

When it reaches the maximum compression(the needle stops moving), record the results and then. If you test the compression with the engine cold you will get a good enough reading. Tested on a 1997 mxz 670.

The actuator sits slightly in one direction ( can't remember if it's open or closed some to open the. Keep turning over the engine until the gauge on the tester stops going up. Pull both sides the same.