Super Weird Problem with Primary Sheave/Clutch... (Hisun 550)
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By Coyote251
I'm trying to help a buddy out with his bike (he's not really on the internet or familiar with these forums) and I'll admit that I am not super familiar with the transmission and clutches in these bikes. I owned a Brute a few years ago, but never had an issue like this that I had to troubleshoot.
So basically my buddy bought a group lot of 650's to build one good bike out of. He got it all put together and has it running but when he pushes on the throttle the clutch doesn't engage till the RPM's are quite high and even when its moving it doesn't really speed up, almost seems like its in "limp mode". He's tried 2 different transmissions so I don't think that's the problem.
Is there any adjustment on the clutch engagement? Anything else I can tell him to look at? Let me know if you need anymore information if you think you can help.
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By KSIM
View File CFMOTO C-Force 550 (CF500AU) service manual
CFMOTO C-Force 550 (CF500AU) service manual
CF500AU-6L-РУКОВОДСТВО ПО ОБСЛУЖИВАНИЮ-150513.pdf
Submitter KSIM Submitted 03/19/2025 Category CFMOTO ATV
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By Ejwill
Well while I was waiting for new parts for the choke, I decided to adjust the clutch. When I removed the lock nut, I found the guy I bought it from or someone else had stripped the threads on the adjustment rod. I couldn’t get the adjustment rod to turn without putting a pair of channel locks on the screw driver, this was telling me something was wrong. So now the rod pushes in and out and spins freely too freely. So guess I’ll have to take the clutch housing off to see what’s going on and replace the adjustment rod, it’s threads are beyond repair, and there is something going on with the adjustment rod. If there’s another way please let me know. The further I go the worse it gets. Thanks for any help.
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By DaleJAM
so i cant read the vin clearly but i have added some pictures, hopefully someone sees it correctly. took a picture of what it looks like, they painted it Green It is underside a SKY BLUE original. has one spark plug . 3 relays in the back + rectifier. has one relay in the front. has cdi in the front three plugs off it.
If you need more info or pictures please ask.
the wire harness is trashed i want to rewire it but correctly.
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By Randel1
I recently read an article about restoring or at least improving the looks of faded and discolored plastic body parts. In the article it suggested using a 50/50 mixture of boiled linseed oil and paint thinner. You mix it up and apply it with a brush or rag to rub it in and remove the oxidation. I curious to find out if anyone has had experience with doing this and what was their short/long term results of doing so. I would hate to try it and find out that a few weeks/months down the road my plastic body parts self destruct.
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