1980 Jawa issue

Pick up this jawa cheap and the issue is that when you pedal it just spins freely like there’s no chain on it. If I spin the tire the chains move. I was wondering about the side knob that engages moped to bicycle is no good ?

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Re: 1980 Jawa issue

thankfully my knob still works. for one position you twist and pull towards you then for the other position you twist the other way and push down. I got the same bike. I am thinking of switching to the 210 motor soon.

Re: 1980 Jawa issue

it may be repairable, you may also be able to force it engaged with some tools workin inside the shaft.

Re: 1980 Jawa issue

I saw that for sale.... cleanest one I think I ever saw... I’m surprised that’s what’s wrong with it ive seen way worse bikes and that’s usually a non issue

Re: 1980 Jawa issue

Well I played around with it and I can get it to engage but it’s very touchy. It was missing two ball bearings inside so I cleaned it up replaced the cotter pin and ball bearings but still the same but I’ll just keep it engaged

Re: 1980 Jawa issue

Your picture is missing the spring that goes in that mechanism. Do you have the spring? If not that might be your problem.

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