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Post by sangrelx on Jan 28, 2013 0:46:40 GMT -5
Well I am back again.... This scooter has been the biggest POS I have owned. I love the people who sold it they have always been helpful but honestly this thing sucks....
I am now having the following issues.
When driving down the road the scooter jerks hard to the left and right. It feels like the handlebars are being weighed down to the left or right.
It takes some arm strength to ensure it stays straight.
I also noticed when I put it on the center stand and I spin the back wheel by hand the clutch, variator and belt all move and engage the motor.
If its on center stand and I spin just the clutch it does the same thing. Moves belt, variator, engine and wheel.
Is that normal?
I thought the clutch was only supposed to grip the back wheel when enough RPM's were on it to throw the shoes out and grab the housing which in turn spins the wheel.
So if I spin the wheel by hand shouldn't the belt and variator not engage?
Someone straighten this out for me.... Is it possible there is a issue with the clutch / belt that is causing the weird jerking in the steering?
I have checked the front brakes they rub a bit but it seems to be a warped rotor. That shouldn't cause jerking to left and right. If anything the rotor catching a spot should cause jumping like a quick tap on the brakes via the lever....
I ensured the steering was lined as close as possible and I ensured the neck bolt was tight and solid.
Any advice, tips, information ..... gotta figure something out its driving me nuts....
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Post by yosemite on Jan 28, 2013 1:11:00 GMT -5
Yes your correct, the wheel should only turn when the clutch pads grab the bell. So that means the clutch pads or extended out and are not retracting. Could be broken springs and or broken holders and are in such a position they are not allowing the pads to retract. So first take the clutch off and check that out. You probably will need a new clutch.
The front wheel get it off the ground and grab it and try to move it in and out, it could be the bearings are shot which will cause the axle to bind where a bad bearing or bearings are. And also spin it by hand and see if maybe the rim is bent or the tire is not round.
Sam
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Post by cyberpunk71 on Jan 28, 2013 19:35:32 GMT -5
I agree with yosemite. You definetly have a clutch problem. I have had this happen to me before and it was simple disassemble and lube and reassemble. I dont think they use a good lube on the clutch assembly. I also had to sand the inner barrel because it had bad tool marks. After I did this it never happened again. That was at 1300 miles and I am at 4000 miles. Believe or not it can cause the front end problem because of the jerking on the clutch.
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Post by sangrelx on Jan 30, 2013 23:51:02 GMT -5
Cyberpunk..
That is the exact answer î was looking for. It almost threw my girlfriend off last time she rode. She went to turn and it jerked scared her to death
I think the clutch is acting up and causing the jerk motion
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Post by jaldama on Jan 31, 2013 0:48:11 GMT -5
Sang what part of Va are u from...Williamsburg here.
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Post by sangrelx on Feb 1, 2013 14:29:21 GMT -5
Ahh Williamsburg... I am about 4hrs North from you. Harrisonburg. I usually head to Williamsburg in the summer to Busch Gardens. scooter Issue..... I have not tore this thing apart yet to see whats happening. I tried to start it today and it just does not fire up anymore. driving me nuts this thing is its honestly the worst scooter we have owned that was a import. It now sits in the garage. I will when I have free time tear it apart and see whats happening. Now that its not being used as my girlfriends primary transportation I can take my time and work on it. I plan to pull the valve cover off and check the valves, adjust the carb again & pull the clutch apart. See exactly what is going on. I will probably pull the front plastics off and double check the alignment of the steering again but honestly I don't think the jerking is related to the front end. I think its the clutch assembly doing it. won't know until I tear it apart. |
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Post by sangrelx on Feb 1, 2013 14:32:45 GMT -5
someone run down the following for me just so I can understand properly.
With the CVT cover OFF
I spin the back wheel by hand (Grab the actual wheel and spin it)
What parts should move under the CVT Cover??
(The belt, clutch, variator move)
If I grab the clutch housing and spin it by hand should the back wheel move? (It does)
If I grab the belt and move it should the back wheel spin? (It does)
From my understanding of the information in this post here it sounds like the clutch is stuck with the shoes OUT and grabbing the housing. Because no matter what part I spin the belt, variator and back wheel move. If the clutch was operating correctly the back wheel should not move unless the belt spins fast enough to engage (Centrifugal Clutch).
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Post by "Big Guy" on Feb 1, 2013 16:05:26 GMT -5
The easy answer is, grab your clutch and squeeze it. You should be able to squeeze it closed with some force and it will reopen when you let go. Sounds like it is frozen to me. You could also run the scooter on the c-stand with the cover off. When you rev the motor, the plates should move to the center, making the belt ride higher. Rev up and down and the belt should also move up and down.
The jerking left and right? Likely bad bearings as was already stated. Put your scooter on the c-stand and have someone hold the handlebars. Then try and move the wheel from side to side. If it moves, you surely have to replace the bearings.
I'm sure this doesn't have to be said, but don't ride it in this condition!
-Rich
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Post by yosemite on Feb 1, 2013 16:24:03 GMT -5
That is what I told him but From his postings he thinks a grease job will do the trick. If he turns the bell and the wheel turns that means the CLUTCH PADS are grabbing the bell WHICH they should not be. The Clutch Pads get thrown out at certain RPMS depending on how strong or weak the clutch springs are. But just turning the BELL by hand SHOULD NOT also turn the wheel.
So that is one problem and the clutch needs to be taken off or at least the bell to see what is broke or stuck.
Sam
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Post by yosemite on Feb 1, 2013 16:25:35 GMT -5
By the way Rich good to see you again, how is that beautifull back yard of yours doing? I bet you have had lots of POOL parties.
Sam
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Post by "Big Guy" on Feb 1, 2013 17:23:17 GMT -5
Year round fun Sam... thank for asking!
-Rich
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Post by sangrelx on Feb 2, 2013 0:49:31 GMT -5
That is what I told him but From his postings he thinks a grease job will do the trick. If he turns the bell and the wheel turns that means the CLUTCH PADS are grabbing the bell WHICH they should not be. The Clutch Pads get thrown out at certain RPMS depending on how strong or weak the clutch springs are. But just turning the BELL by hand SHOULD NOT also turn the wheel. So that is one problem and the clutch needs to be taken off or at least the bell to see what is broke or stuck. Sam Nowhere in this entire thread did I say anything about greasing the clutch? in fact my last post stated If I fix the clutch issue and it still jerks around then I know something really goofy going on up front that I just cant see. I have not checked the wheel bearings yet though. I checked alignment and checked the forks for play. As for the CVT I thought I understood how the CVT/Clutch worked but your statement here makes me think differently. I thought the bell housing was attached to the rear axle itself. so if you spin the bell the wheel would move but not the belt or variator. The belt and variator only move if the clutch is engaged. Are you saying that turning the bell by hand should NOT engage the wheel? I thought the clutch shoes were inside under the bell so only when the belt spins them fast enough then they come out and grab the bell housing which in turn causes the gears and wheel to move. please straighten me out on this someone... Either way it seems the clutch is messed up on this scooter. So i still have to tear it down and look at whats going on with it. |
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Post by "Big Guy" on Feb 2, 2013 0:51:29 GMT -5
The easy answer is, grab your clutch and squeeze it. You should be able to squeeze it closed with some force and it will reopen when you let go. Sounds like it is frozen to me. You could also run the scooter on the c-stand with the cover off. When you rev the motor, the plates should move to the center, making the belt ride higher. Rev up and down and the belt should also move up and down. The jerking left and right? Likely bad bearings as was already stated. Put your scooter on the c-stand and have someone hold the handlebars. Then try and move the wheel from side to side. If it moves, you surely have to replace the bearings. I'm sure this doesn't have to be said, but don't ride it in this condition! -Rich |
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Post by sangrelx on Feb 2, 2013 9:43:44 GMT -5
I will check the front wheel bearings after I resolve the clutch issue.
I have installed new clutches in the past and it does take some pressure to compress the spring. So I know if I cannot compress them something is probably stuck somewhere.
Last clutch issue I had on another scooter was a shoe literally broke off and was jammed against the housing causing the clutch to be engaged all the time. This does not act like that one did. It acts like the clutch randomly disengages and then re-engages.
I will tear it apart soon. I am working on another issue right now with a new Roketa.
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