melc
Scoot Junior
Posts: 6 
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Post by melc on Oct 25, 2017 2:30:25 GMT -5
Has anyone modified the roller ramps in there variator? Mine have worn to the point where the ramp has no incline for the rollers.
i was thinking of rebuilding the ramps with a high heat JB Weld or something similiar. I know i need to replace it, and i will. but just curious if anyone has tried this.
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Post by greginisn on Oct 25, 2017 3:20:34 GMT -5
That might make a fun science project but I think you’ll be better off with a new variator. I have great faith in JB weld but you would have to have the variator super clean and roughed up a bit for the best adhesion. And then forming the ramp angles is another challenge.
The JB could probably take the heat, I’ve used good epoxy for use in 350F enviroments with good luck but it wasn’t spinning at 8000 rpm.
If something were to come undone it could get real ugly in there and cost you more $$ than just replacing the variator now.
Good luck, Greg
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Post by FrankenMech on Oct 25, 2017 14:52:37 GMT -5
Ahhhhh, don't. Just get a new variator.
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Post by RollingThunder on Oct 25, 2017 16:54:25 GMT -5
Not to mention that the JB weld will probably throw it out of balance. It would be interesting to experiment, though.
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Post by lostforawhile on Oct 25, 2017 22:40:37 GMT -5
do you really want to chance having something go out of balance on the end of your crank, at 8000 rpm?
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Post by FrankenMech on Oct 26, 2017 13:10:40 GMT -5
When I tested the balance of my variator I found that it was out of balance as is, -which surprised me. I tried to balance each individual part so that it would not matter how it was assembled. It did not make it work any better.
The JB weld (a filled epoxy) would wear rapidly. I would not consider it for a 'repair' on variator ramps. It also softens with heat.
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