Australian Chang Jiang Forum

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Australian Chang Jiang Forum
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Re: Jerky Transmission & chewed out rubber doughnut drive couplers

Hi Jimmy,

Sounds like the drive from the gearbox and the axle input are out of alignment. Have you had this checked? I don't have first-hand experience with the reverse gearbox fitted in OHV engine but that's what I would start looking at. Maybe you can re shim the engine to get a better angle for the drive shaft? Or you may need to change the length of the driveshaft itself. I have owned my Chang side valve for 20 years and never changed the coupling yet!

Let us know how you get on.........

Best regards
Chris.