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By hisun junk
As I tried to do a conversion with the Yamaha 660 motor, I realized the 660 was never fuel injected so it would not work for the fuel injected hisun motor swap. But the good thing is the hisun 750 motor is a clone of the 660 Yamaha but with the components for the fuel injection (cam/crank position sensor). So that left me with a new rebuilt Yamaha 660 and still a broke 750 hisun motor. I took apart 750 think the timing chain had broke from all that I've heard about these motors. The chain was not broke, but just off cam and crank gears! The chain tensioner was at fault! I've ordered Yamaha 660 replacement parts, chain, two exhaust valves (which got bent when chain came off while motor was spinning) and seals. The piston has 2 little nicks where it had hit valves but no damage otherwise. The head is being redone at the machine shop and I'll be putting it back together in the next couple of weeks. Also I finally tracked down a Service Manual with all the info on the 550/750 Challenger.
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By lincolnsq175
Ive searched and cannot find any performance parts that fit my machine.
I have a 2020 coleman ut400.
Im looking for machined sheave kit, programmers, cdi, exhaust and intake.
I know these are yamaha rhino clones but are they rhino 450 clones?
Any info is appreciated.
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By John1990
I was taking my family on a little ride up the road going uphill in our massimo msu 500. Then all of a sudden it quit pulling and the rpms went up way high to over 6000. After we got it pushed on up the hill and turned around was able to coast back to the house. We do ride it alot on the main road, so I am assuming top speed and top rpms constantly is more than likely to blame for this issue, now I just need to know how to fix it. If anyone has any suggestions it is appreciated
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By Joe Breaux
about to pull the trigger on a CF Moto ATV.. everyone seems to like theirs, good reviews .. anyone want to warn me of issues with them ? I like my Hondas but the prices have gone nuts and availability is a joke.. This seems like a good deal
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By Tonya Pike
I am trying to take a crash corse in selecting the best UTV for my needs. I recently bought a home bordering the Chattahoochee National Forrest. The primary use would be around the property and travel between neighboring homes. All surrounding roads are gravel and there are several 4x4 trails in the area. I initially was looking at electric models because of my limited mechanical skills and noise, it seems only the Polaris is available and pricey. I want to be practical…….but still be able to have fun and be the envy of my new neighbors with golf carts. Help a city girl out?\
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