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Massimo MSU 500 wont go in any gear


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I was taking my family on a little ride up the road going uphill in our massimo msu 500. Then all of a sudden it quit pulling and the rpms went up way high to over 6000.  After we got it pushed on up the hill and turned around was able to coast back to the house.  We do ride it alot on the main road, so I am assuming top speed and top rpms constantly is more than likely to blame for this issue, now I just need to know how to fix it. If anyone has any suggestions it is appreciated

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  • Alex changed the title to Massimo MSU 500 wont go in any gear
  • 3 weeks later...
  • 5 months later...

Well I finally got to the main issue. Wet clutch. Drained the oil took off primary and secondary clutch. Got to the wet clutch and took the housing off and parts just started falling out so I guess something just let go. After getting a new wet clutch. Put it on, one way bearing is in the right direction, secondary back on, primary back on, belt back on. Started it up put it in high. It jumped forward and the engine shut off. Tried it again in reverse and the same thing. Just got back into again to check the one way bearing, it is good and installed correctly

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