Question about 1999 Cagiva Mito 125 Evoluzione

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Problem with throttle

Hi as a said when i change gear into a higher one the revs stay high. But it doesnt happing if i dont go wild on it. If i just go slow and take it easy there drop just like there should when i change up. I have had carb off and cleaned it all and this didnt make any difference. I have tryed to explain as best as i can just hope someone can help.

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Sounds a lot like clutch slippage to me. First I would check clutch oil. If it is low or worn enough to have lost its viscosity that could be the cause. Here is the backyard **** mechanic way to check clutch wear and slippage. Crude but effective. Point the bike toward a sturdy flat stationary object (a brick wall?). Roll the front wheel firmly against the wall. Make sure the bike is perfectly perpendicular to the wall, the frot wheel is aligned straight, and that the rear wheel is on a solid surface (concrete or asphalt -- not grass or dirt). Climb aboard into riding position and start the bike. In first gear clutch in, rev the bike as you would for a moderate start away from a stop (maybe 3k-4k or so) and slowly release the clutch. If the clutch is good, as the clutch starts to grab the revs will go down noticeably, and as it gets fully engaged or close to it the bike will stall. If the clutch is slipping (depending on how bad it is) the motor will continue to spin at pretty much the same speed as the clutch is engaged. This is a kind of touch-feel thing but if the clutch is bad, you should know it. Needless to say do this carefully and at your own risk, but it works a wonder if you do it right. Another way to check is to ride the bike. Get into the power range barely (above 8K) and hold it steady. Does not really matter what gear, but I suggest 2nd or 3rd. Whack the throttle. If the RPMs rise quickly (quicker than the speed) you've got clutch slippage.,,,

Posted on Nov 10, 2008

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