2008 hisun 500 utv starter spins but wont turn the motor over
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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 rev6engines
Black Friday is here, and we’re excited to give our offroad family 20% off on all parts and kits! Whether you're prepping for new trails or just fine-tuning your rig, we've got what you need to keep rolling. Now Is also a great time to upgrade your sled, winter's coming fast!
If you have any questions or need help finding the right part, feel free to call, text, or email us. We’re here for you!
Call or Text:
801) 489-8697
Email at:
[email protected]
Happy riding!!! 🤘
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By Jacob E freeman
I have a 2018 cub cadet challenger 750 I bought brand new almost 2 years ago the first month I had it the exhaust broke and burnt the spark plug wire in two that was a recall so the dealership installed the new one it had a different design and it bolted up to the bottom two plugs below the spark plug the dealership said they had to Adjust the exhaust valves I get the machine back thanking everything is good now wrong not even a week after I get it back the timing chain tensioner comes apart inside the motor I take it back to the dealership They put one on I get the machine back thanking everything is good but then just like before not even a week goes by when I was riding the Machine automatically quits going come to find out the wet clutch was burned up the primary clutch head stripped off of the splines I get that fixed and then it overheats I take it back they bleed the air out of the coolant they bring it back to me the same day that I get it back it overheats again I take it back they temporarily fix it again just enough to let the warranty run out and now the machine has been to multiple different mechanics I have had them try to bleed the air out they have stood it up on its end I have had the water pump changed I have had the fan hooked to a switch so I could leave it on all the time but still almost 2 years later not even 200 hours on the machine and I cannot ride it The dealership will not take it back as a lemon I have tried I am at my wits end I have no clue what to try next
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By Josh5696
So I've got a 2022 Axis 500 UTV with only 50 miles on the odometer. It seems to have a strange grinding/squeeling noise coming from the clutch when decelerating or going down hill at lower speeds. Did some research, and found out this is apparently a fairly common thing. Alot of sources suggest the one way bearing is responsible. I'm hearing about quite a few horror stories about these bearings going bad on practically new machines, and when they replace the bearing it goes bad again shortly after.
Has anyone come up with a solid fix for this? I've read it may be possible to run the UTV without the bearing at all, is that true? Are the $20 replacement bearings from eBay and Amazon complete garbage, and is there a better one way bearing out there that's built stronger? Is there something else causing this bearing to wear out faster, or is the stock bearing complete junk?
Any input is appreciated, thanks in advance!
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