WebHere we go. How to Run a Motorcycle Compression Test. Step 1: Remove Spark Plugs. Step 2: Attach the Compression Tester Hose. Step 3: Open the Throttle. Step 4: Turn the Engine Over. Step 5: Take Compression Readings. Interpretation of Motorcycle Engine Compression Test Result. Preforming the Test When the Engine is Hot Or Cold. WebFeb 27, 2013 · Posted February 23, 2013. The compression values will typically be greater on a cold engine than a hot one. As the engine warms up, the wear-related dimensional issues show themselves. Presuming the engine can run, it doesn't hurt to run the compression test both hot and cold as a diagnostic aid.
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WebJan 21, 2011 · The difference between the compression at cranking speed and the compression at idle should be equal for all of the cylinders. If the engine miss complaint … WebFeb 23, 2007 · If the engine don't run, cold will be fine, too. I have also been told it makes a difference whether the throttle is held open or not. Again, to test the variables, I checked the same engine with open and closed throttle, with no difference noted. Like a couple of guys have already pointed out, compression loss will affect the sled at start ... swtor interface ui
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WebFeb 1, 2004 · Although it is a recommended practice to perform the test on a hot engine, some mechanics still choose to perform compression tests on a cold engine. This may … WebOct 2, 2016 · 173. 1. Aug 7, 2003. napa, California. Trying to diagnose a newly acquired 99 gsx. The other night when I had the car dropped off I ran a compression test on a completely cold engine, results were 180-30-180-180. Today I started the car and drove it around the block and got it partially warmed up. WebJun 30, 2006 · 12,877 Posts. #3 · Jun 29, 2006. The generally agreed upon standard is 10%. You can run another test cold by squirting a small quantity of oil in the cylinder, … texto a imagen ia