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I have a 2007 kingquad 450 fuel injection. I try to start it with the hand crank and almost flip over the quad. I have taken the hand crank off and cleaned it but this did not fix the problem. I believe there is a decompression valve that is supposed to engage when pulling it over by hand. How can I check this?

Posted

The 450 is a bear to pull over i think to check if the decompression valve is working i would do a compression test and see what you get service manual will tell you what it should be. The valve should be located in the head maybe an access panel not sure about that.

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