Backlash at the gearbox sprocket, how much is OK ?

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Backlash at the gearbox sprocket, how much is OK ?

Postby Rickmeister » Fri Jun 28, 2013 2:54 pm

Hi folks, hope this is in the right place, mods, if it needs to be moved, apologies...

Can anyone help me understand how much backlash there should be at the gearbox sprocket please?

Reason I ask is that it looks like there is a fair bit on mine and its making for none too smooth progress in the lower gears. Chain adjustment is bob on and doing this has improved matters bit its still a fair bit. Its also affecting the smoothness of gear changes too.

Bike in first and it does rock back and forward a lot... I dont know what to measure but interested in others thoughts...

Thanks

Rick
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Re: Backlash at the gearbox sprocket, how much is OK ?

Postby MarkG » Fri Jun 28, 2013 4:35 pm

Gearbox sprocket or at cush drive?
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Re: Backlash at the gearbox sprocket, how much is OK ?

Postby BillZZR600 » Fri Jun 28, 2013 9:02 pm

Bet the Cush drive needs a look. with the power put out at the rear wheel, its bound to have taken a pounding. Don't know the cost of replacement, but I would suspect the rubbers should almost be a service item oon the 1400.
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Re: Backlash at the gearbox sprocket, how much is OK ?

Postby Rickmeister » Sat Jun 29, 2013 7:13 am

Thinking the cush rubbers are shot...

Out with the back wheel and in with the cycle innertube squares....
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Re: Backlash at the gearbox sprocket, how much is OK ?

Postby SteveZZR » Mon Jul 01, 2013 12:39 pm

Rickmeister wrote:Thinking the cush rubbers are shot...

Out with the back wheel and in with the cycle innertube squares....


Or hot water bottle bits? Wouldn't like to bodge anything on a powerful / valuable machine like the 14 though
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