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Post by florida on Oct 13, 2015 22:57:13 GMT -5
About 150 miles ago or two weeks ago I installed a new belt, DLH Variator, and 7.5g rollers. I dont have a wrench for the clutch so I didn't install the yellow or blue springs I bought. Prior to replacing the cvt parts I described above, I installed a 52cc Bbk, valve head, A9 cam, cdi/coil and performance filter.
Before the cvt work was done and the Bbk and accesories were installed, the scooter still went 39mph but had lots more low and mid range torque.
After doing the cvt work,( im running 7.5g rollers ) the scooter was a little bit slower off the line but the speedometer read that my max speed was about 55mph.
I rode the scooter the other day without my helmet, and I noticed new noises coming from the cvt. I didnt think anything of it until a few days ago when I noticed the max speed is 50mph.
Is the lower top speed something I should be concerned with? I cant remember what brand or material the new belt is. I bought it off eBay for $18 and it shipped from China. I am absolutely sure the belt was the correct size and that it was installed correctly. Could it be that the new belt, after 150 miles has "broken in".
**Also, I live in Central Fl. Its very hot here every day.
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Post by lain on Oct 14, 2015 9:18:37 GMT -5
No when the belt is broken in you reach a higher top speed usually if it is not a kevlar belt, if it is kevlar there should be no change at all until the point it needs to be changed. I would suspect something else. If nothing has changed in the past month since doing the work, and you had a higher top speed then but not now without making changes, then something is wrong or not right. Go check everything out, especially the rollers, check for bald spots you might have got some defective or poorly made parts when you installed last time. If you are using the rollers that came with the kit you might want to switch them out for premium stuff like prima rollers.
You can change out the clutch springs with an adjustable wrench. I get a large adjustable wrench, put it on the nut then I stand in front of a brick wall or something that is a little higher than waist height and grip the clutch and wrench real tight and swing from above my head to the wall so the very end of the wrench slams into the brick or concrete. I takes a strong person and a little persistence and skill of the wrist but it usually takes me half a dozen swings or so to loosen the bolt to the point I can do the rest by hand with the wrench.
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Post by tvnacman on Oct 15, 2015 14:23:36 GMT -5
I would overhaul the clutch, bite the bullet and get the tools to take the clutch completely apart. Clean out the old grease use fresh hi temp bearing grease. Lube all the pivot points and the pulley sheaths. Recheck the variator rollers and slides check for binding.
John
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