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kr250a main clutch drive gear inner rubber toasted
Posted: Wed Jan 22, 2014 5:44 pm
by azwood80
Reaching to any kr owners that may know how to fix a worn cush drive on main gear behind the chutch basket the two gears are pressed together via pins but the two gears can be tured about 70,80 degees apart how do i fix this!!!!
Re: kr250a main clutch drive gear inner rubber toasted
Posted: Tue Jan 28, 2014 3:16 pm
by Jeram
have you checked to see whether you can buy a new clutch or a decent second hand one?
or you will need to replace the inner rubber either by purchasing new OEM rubbers (doubt such a thing ever existed if its riveted together) or have new rubbers machined up.
The other option ofcourse is to solid mount the clutch. being that its a dirt bike it doesnt really need the clutch cush drive
Re: kr250a main clutch drive gear inner rubber toasted
Posted: Fri Jan 31, 2014 7:24 pm
by azwood80
Jeram wrote:have you checked to see whether you can buy a new clutch or a decent second hand one?
or you will need to replace the inner rubber either by purchasing new OEM rubbers (doubt such a thing ever existed if its riveted together) or have new rubbers machined up.
The other option ofcourse is to solid mount the clutch. being that its a dirt bike it doesnt really need the clutch cush drive
just in the process of getting it apart then i might just make nylothane ones up not sore how solid gears would go not saying it wouldent work but i dont want to be the first to try it
nylothane is still qwite solid but still have some give it might also last longer.
Re: kr250a main clutch drive gear inner rubber toasted
Posted: Thu Feb 06, 2014 8:45 am
by azwood80
Been esrching hi and low for nylothane barr to make new cush rubbers from nobody has any i can get white teflon easy but its very rigid i supose its better than nothing but still close to solid.
Re: kr250a main clutch drive gear inner rubber toasted
Posted: Thu Feb 06, 2014 11:48 am
by fred99999au
Assuming that you mean a polyurethane type pre-cast rod, you could try the likes of
http://www.engplastics.com.au/
Re: kr250a main clutch drive gear inner rubber toasted
Posted: Thu Feb 06, 2014 12:20 pm
by 2TInstitute
Just weld them together.
Re: kr250a main clutch drive gear inner rubber toasted
Posted: Thu Feb 06, 2014 7:45 pm
by azwood80
2TInstitute wrote:Just weld them together.
got a large flat block of white urathane today for $5 there is enough to make 30 or so also one half of the damper has been taped to m6 so naw it just bolts together with some locktight.thanks for the idears guys i will let you know how it works