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PierceIt

What's the expected compression?

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Anyone know where to find the expected compression level when doing a compression check on a 2017 Cub Cadet Challenger 750?

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I couldn't find anything on google or other websites....

 

 Pretty sure the camshaft will have a automatic compression relief on it that relieves compression out of the cylinder via one of the valves during start up, so usually when cranking the engine with a compression tester the reading won't be the Exact compression of a engine running at 2500 RPM, But, it seems to be  a baseline for all  small engines whether it be lawnmowers or 4 wheelers,  seems as though 85 to 90 PSI is the minimum to start a 4 stroke engine.

 

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