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2011 EFI shuts off after running for a few mins then hard to start


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So i have a 2011 EFI 700. the SxS will crank right up everytime without any issues. If i let it run or ride it for about 10 mins it will shut off and then it may turn on if i am lucky but most time i have to let it sit for like 3 hours and then it will run again. i have done the following

-New fuel filter

-New injector

-New spark plug

-New coil pack and plug wire

-New air filter


Also could i get a grizzly 660 engine and put in it or would it not work.

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