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1.21 gigawatts

I would check the gearbox shifter forks for wear, or even the drum shifter for wear plus the mechanism at the end of the gear shaft. Means you have to take it apart but on an old bike things do wear and if the box has been abused then thats your problem. Wheelies and some race bikes take a real tole on the gearbox. Just a suggestion but best I can come up with without seeing it. Try looking at this for an idea on the workings of the box.

Some know already but , well sometimes things feel like there is a higher order. On the vmax forum there was a fellow selling a set of carbon dymag wheels, i saw the advert September last year time but had neither the money or the need at the time. Fast forward, months of covid lock up, (i keep a little slush fund to pay for my biking which has just gone up through last year). Then the drive hub shat its self and the crap that followed. Well i stumbled back across the wheel add, no comments on the post, wheels had low miles, maybe a couple of thou. With tyres and such and with t

Okay quick update: Yesterday i refilled the battery and charged it up again. Still holds about 6,5V so seems quite allright. Fired the bike up an measured the voltage while the battery was still connected to the bike (the 25V were coming out because the Volt-Meter had no ground to the bike because of the removed battery, i know rookie mistake) and the measured voltage was 8,5V as the manual suggested. Tomorrow im going for a ride and will update if something has changed. Could the damaged battery be the problem for the rough running after a while? Anyway thank

{Posted a request for information a few days ago, no answers! Just to let you know I found the answer trying to remove the main switch. G

Thanks for your reply. I have now removed the master switch which was not that difficult but the cost of replacement parts you can not be too careful. I am new to this site and find the system a little bit difficult to navigate, call me stupid if you like.

Actually you posted the same question twice and neo provided an answer on the other post

Thanks for this Neo. I found the cable in USA at KDI Reproductions for about £12, but with £50 postage!!!