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Post by hdnvn on Oct 13, 2008 10:09:41 GMT -5
My question seems a bit too general yet I definitely have a problem. My dietech 50 is much slower suddenly from 22mph-31mph. I have put an aftermarket pipe on it, I have 6.5 rollers installed and this thing used to haul buttocks in comparison to it's former stock self. When I initially made the modifications the scoot would excellerate thru the 20's right up where a powerband would take over around mid thirties and then would thrust up to 49. I feel a significant slowing at 22mph now and it dogs along all the way up to mid thirties. I put some injection cleaner in the tank. I changed the plug, what else should I be looking for? Whats the deal with a water filter or whatever it is people are installing on their scoots? I just need some suggestions towards a diagnostics string..things I should try and etc...
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Post by rallyrrr on Oct 13, 2008 11:37:25 GMT -5
Try 4.5 - 5.0g rollers and a yellow contra spring at the back. You need to transition quickly through the lower rpm band that your new pipe no longer supports.
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Post by 90GTVert on Oct 13, 2008 11:56:15 GMT -5
Since the power loss is only from 20-30mph, I wouldn't be looking toward the engine. If it is acting mostly the same otherwise, you need to check out the CVT. I'd probably try a stiffer contra spring.
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Post by hdnvn on Oct 15, 2008 20:40:36 GMT -5
I have aftermarket rollers already installed and a new pipe as well. This scooter was running very well for a couple of months. This change has occurred just recently with no modifications...It's this reason that I'm under the impression its fuel related. I put injector cleaner in the tank about ten miles ago, no change.
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Post by hdnvn on Oct 15, 2008 20:41:29 GMT -5
Would the Contra spring have worn a bit and become less stiff? The scooter has 5500 miles on it....
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Post by 90GTVert on Oct 15, 2008 22:43:45 GMT -5
the contra spring can lose some stiffness over time.
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Post by Aerostudent on Oct 15, 2008 23:41:42 GMT -5
5500miles, maybe the belt is starting to go. Is it the original?
Aero
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