Join Date: Jan 2014
Location: South Central PA
Primary belts can work fine. But they need to be serviced regularly. You see a lot of scooters with open belt drives that have a spare belt wire tied on. I think a better way of doing it would be to just swap it out before it goes bad. Every 10K miles, or half of what the first failure is.
Now with that said, some scooters run through comps like they are disposable. And some don't.
Next time you have it open, check the sprocket shaft run out. If its up around .009 or .010, that's why its eating comps. And putting a belt on that is going to sound like hell. Not to mention, also have shorter than intended life.
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