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Massimo MSU 700 Dies after 5 minutes

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I have a 2016 MSU 700 It starts right up, after maybe 5 minutes or so It dies. It is like something gets hot and shuts it down. I let it cool for 20 minutes and It will start right up again.  I was told it's the stater and someone else said it's the ICM. Anyone have this issue?

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  • Alex changed the title to Massimo MSU 700 Dies after 5 minutes

Check the valve adjustment, it’s a common problem with many of these engines. You may think this doesn’t make sense because you have done anything to change the clearances. It’s not uncommon to find the intake side with little to no clearance. Check the exhaust side as well.

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Excellent suggestion. I had a riding mower that would only run for several minutes, then die. It drove me nuts trying to locate the problem. But, after waiting for the engine to cool off sufficiently, it would start again. I finally drilled a small hole in the gas cap, and problem solved!

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