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Yanmar engine compression
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<blockquote data-quote="Tazza" data-source="post: 60352" data-attributes="member: 82"><p>Being diesel, the compression should be over 300. 300 is the lower end of what a diesel will still start with. Kubotas when new are meant to have 450-500 i believe.</p><p>190 is very low, when he did the test, he should have squirted oil in the cylinders to do a wet test to see if the rings were by-passing or not.</p><p>I don't believe it needs to be hot to do a test, as generally when you do a compression test it's because the engine is not starting.</p></blockquote><p></p>
[QUOTE="Tazza, post: 60352, member: 82"] Being diesel, the compression should be over 300. 300 is the lower end of what a diesel will still start with. Kubotas when new are meant to have 450-500 i believe. 190 is very low, when he did the test, he should have squirted oil in the cylinders to do a wet test to see if the rings were by-passing or not. I don't believe it needs to be hot to do a test, as generally when you do a compression test it's because the engine is not starting. [/QUOTE]
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