Dave Piccirillo
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Hisun 800 UTV grinding going into gear.
Dave Piccirillo replied to Michael Busby's topic in Hisun UTV SxS Forum
Excessively high idle speed can make shifting into gear difficult. -
2010 Hisun 500..estimate of its value?
Dave Piccirillo replied to Maverick Barnett's topic in Hisun UTV SxS Forum
Bought a 2014 Massimo MSU500 in September 2019 for 1500 not running. The spark plug threads were stripped in the head and I was able to repair it without t taking the head off. It runs great now. Also replaced doors, light/horn switch assembly, and some other things totalling about 500. I am pleased with this purchase. I don't know if your 2010 has EFI or carb but sounds like your problem is fuel pump or fuse if its EFI. If its a carb it probably needs taken apart and cleaned. Good luck. -
2018 Sector 250 hard to start, won't idle but runs great
Dave Piccirillo replied to JDH's topic in Hisun UTV SxS Forum
The EFI computer sets the fuel mixture based on the Engine Coolant Temperature (ECT) sensor. Since your spark plug indicates a rich mixture and your engine temp reads cold, the ECT may be bad. I have seen this happen on EFI cars. I don't think the ECT is very expensive or hard to change. Might be worth a try.
