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Post by Azraeille on Jul 3, 2012 20:52:38 GMT -5
I went on a very long trip last week. The belt snapped but the scooter was still running/performing fine. I immediately ordered a belt for it and fitted it Saturday. I rode the bike out for a few minutes and chalked up the sluggish acceleration to a thicker belt. Especially when it did eventually get up to the same speed it did previously. But then everything went to hell. The scooter cut off in manner that was almost definitelly a soft seize. Although previously I haven't experienced one. The decelleration wasn't slower like just letting off the throttle would be, or hitting a killswitch. It was kinda forced. Like I had hit the brakes.
It's worth mentioning that to get the scooter home with the broken belt, I had to lay it on its' side in the bed of my friend's truck for about an hour or two. It's also worth mentioning that it has been laid on its' side before when someone tried to steal it. They put it down softly for the record. But although it took a while to start it [I'm assuming the carb drained] and it gave a few small hiccups over the next few days, it ran fine.
So what could have went wrong?
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Post by 90GTVert on Jul 3, 2012 21:13:25 GMT -5
If you haven't already, clean everything in the CVT. Everything. Nothing in there should cause a soft seize, but it needs to be done after a belt breaks. I suppose you could put the engine under more load with something messed up in the CVT and create more heat.
You should have noticed if it drained, but if it's injected check your oil reservoir.
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Post by jmkjr72 on Jul 3, 2012 21:32:09 GMT -5
if it was a forced deceleration it wasnt a soft seize
realy look into your cvt sounds like you might have missed some crap from the busted belt that is binding up in there
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Post by Fox on Jul 4, 2012 11:25:40 GMT -5
Like Brent said, if the oil leaked out then you should have seen a puddle.
Remove the variator and belt and fire it up. If it dies then the belt is not the issue. If it runs okay, then remove the rear pulley and make sure there's no old belt debris pinched between the pulley halves.
If it dies then maybe you have an air pocket in the oil line so the pump isn't primed. ?
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Post by Azraeille on Jul 5, 2012 19:32:34 GMT -5
I think I know the problem. I still haven't touched the scoot. Between work and rain I haven't gotten the chance. But I realized something that was different about laying the bike down on its side this time. Last time it was laid down I noticed gas was leaking from my tank and it stripped a little of the metallic paint off one of my grab bars. So when I laid it down in my friend's truck I saw it dripping again. In an effort to stop the dripping [which succeeded] I grabbed a grocery bag from his trunk and sandwiched it between my gas cap and gas tank neck to make a better seal. Then it hit me the other night how it might have gotten so horribly out of tune. The carburetor got clogged because the gas probably melted some of the soft plastic. And it made its way to my gas lines and carb after the first few starts. I.E, checking to see if it ran after getting it out of the truck and checking the belt after it was installed. By then, especially with a couple of days to sit and the plastic sludge most likely settling on the bottom of the tank it was fine until a minute or two after when the plastic sludge made it's way into my carb and jets. Most likely gunking them up and taking me to dangerously lean levels supporting the theory of a soft seize. Sound about right? I don't mean to sound like I'm cutting down anyone's input, because I will be double checking my transmission to make sure no debris got left in the pulley halves and to clean it out completely. The oil resevoir is completely full though. And I might have over exaggerated the deceleration bit. It was a rougher decel than just cutting it off. I guess equal to lightly putting on the rear brake after cutting it off. Hell, it might not have been a hard decel at all. Maybe it just seemed harder because I wasn't expecting it
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Post by 90GTVert on Jul 6, 2012 5:55:36 GMT -5
It definitely sounds worth checking over your fuel system.
It's normal for a light braking feel with a soft seize most of the time in my experience. The piston is expanding into the cylinder walls and you aren't free wheeling right away when it dies usually, so you feel that resistance briefly.
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