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Post by xantos2952 on May 18, 2014 18:48:12 GMT -5
This is a Hyosung MS3 250.
I might have hit some sand. Or more likely, chaulk it up to inexperience. It was a mild impact at about 10MPH: I leaned the bike over in a corner and just kept on going. Lots of flying plastic bits and a small scratch on the CVT cover (I now appreciate certain advantages of a metal-clad Vespa).
Anyway, after standing the bike on its feet, I'm surprised to find that revving the engine no longer has any effect on the rear wheel. The rear wheel spins freely when the engine is off, and there are no strange sounds coming from anywhere on bike.
I removed the transmission cover and the belt is fine. I started up the bike and the pulleys and belt seem to be doing what you'd expect.
Any thoughts on what might might be the problem and what I should check?
Thanks,
Xantos
PS: Spinning the clutch bell housing by hand doesn't turn the rear wheel. But if something is broken in the transmission itself, wouldn't something be rattling in there?
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Post by ramblinman on May 19, 2014 0:56:56 GMT -5
drain the gear oil and open it up. probably broke a gear.
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Post by xantos2952 on May 19, 2014 9:41:33 GMT -5
Crap. You're probably right.
I don't have the bearing pullers and other specialized tools to do this kind of work. Not to mention that I'll probably have to source the parts from South Korea. Meaning that, at best, including the plastic work, I'm looking at $1K of parts and labor or equivalent personal time to put this bike together. For a bike that cost me $2K. And if I'm lucky, I'll have the bike on the road by August.
Or I could just sell the bike for parts. Only had 1500 miles on it. Yeah, I think that's what I'll do.
- Xantos
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Post by urbanmadness on May 19, 2014 11:59:39 GMT -5
You have pictures of the bike? We may be able to help you (just need to see what engine etc it has)... If it's like a cf moto type engine, scrappy dawgs may have what you need.... And they are just in Las Vagas.
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Post by ramblinman on May 19, 2014 12:40:47 GMT -5
Crap. You're probably right. I don't have the bearing pullers and other specialized tools to do this kind of work. Not to mention that I'll probably have to source the parts from South Korea. Meaning that, at best, including the plastic work, I'm looking at $1K of parts and labor or equivalent personal time to put this bike together. For a bike that cost me $2K. And if I'm lucky, I'll have the bike on the road by August. Or I could just sell the bike for parts. Only had 1500 miles on it. Yeah, I think that's what I'll do. - Xantos i can understand that. i don't really like working on these scoots either but you really won't know how much it will cost until you look behind the clutch. if it was me i'd hang on to it for awhile just to be certain you really want to sell it. you may change your mind in a month or 2 and do the work yourself. who knows. |
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Post by alleyoop on May 19, 2014 15:52:22 GMT -5
Your problem is in the Tranny it could be the shaft broke since it went down on the CVT side. Happened to one other person as well. Alleyoop  |
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Post by earlwb on May 19, 2014 16:12:45 GMT -5
Well it might be that the variator is stuck all the way out or the clutch is jammed so that it doesn't engage too. It is possible a gear broke, but I am inclined to think it might be more simple though. Maybe the axle nut came loose and the wheel is not engaging in the tabs or dogs on the axel too. Or the splines in the wheel stripped out.
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Post by rockynv on May 22, 2014 4:12:02 GMT -5
If the clutch bell spins when you spin the rear wheel then the gearbox should be OK and the clutch is most likely jammed so it can't engage. On the 150 you don't need any special tools to rebuild most of the gearbox but not sure about your 250.
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Post by xantos2952 on May 22, 2014 14:25:14 GMT -5
Quite the opposite. When I spin the clutch bell, I can see the shaft that it is attached to spinning as well. At the same time, the wheel seems like it could care less what's going on. And when I spin the rear wheel, the clutch bell's feelings are mutual.
What is uncanny is that the clutch bell spins smooth like butter. The wheel too. You'd think that there would be some roughness to it if there were broken gears, shafts, or splines, but that is not the case.
Xantos
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..BAD TO THE BONE..
