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help with gs550

  • Thread starter Thread starter arsprod
  • Start date Start date
AJ said:
Screw in - good.

Powdery - very good. Indicated that your oil wiper rings are working, which usually means your compression rings are good.

27K miles - not terribly high. Your compression should be MUCH higher than that.

If you removed all four spark plugs first and held the throttle all the way open while cranking the engine, then I would suspect the gauge on the tester or the fittings on the gauge before tearing into this engine.

Do you have an air compressor with a gauge? You could connect your gauge to the compressor and compare the tester gauge to the one on your compressor.

I would definitely check the engine with a different gauge before tearing into this motor. Good luck!
Click to expand...

My sentiments exactly! The thing runs strong and I really have no reason to believe the compression is really that low. Now, to figure out why it's not charging... new post!
 
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