front sprocket prob.....
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Joined: Apr 2004
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From: wi..
front sprocket prob.....
on my 03 r6 the front sprocket came off (while riding)causing the nut on the counter shaft to bust off taking the threds with 
i called yamaha about it they said there was nothing they could do cuz it's out of warranty...... 
...........i calld the local bike shop they said $900 to fix it now what?????????i thought about trying to rethred it but it's a hardend shaft and it's in between sizes should i weld a spacer in place of the nut and hope it has no effect on the balance of the counter shaft 
any thoughts or ideas would be great 
i called yamaha about it they said there was nothing they could do cuz it's out of warranty...... ...........i calld the local bike shop they said $900 to fix it now what?????????i thought about trying to rethred it but it's a hardend shaft and it's in between sizes should i weld a spacer in place of the nut and hope it has no effect on the balance of the counter shaft any thoughts or ideas would be great 
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Joined: Apr 2004
Posts: 170
From: wi..
Re: front sprocket prob.....
maybe while i'm at it i should put in a clame on th crash cage and 12 bar........................i'm sure a insurance co. would gladly replace them too... 
Originally Posted by korno1
yup should have bought a honda
but i wouldnt take any chances i would either do an insurance job on the bike or cough up the $900
but i wouldnt take any chances i would either do an insurance job on the bike or cough up the $900
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Joined: Sep 2002
Posts: 6,187
From: wherever the $$$ is
Re: front sprocket prob.....
weld it on just the end/edge of the shaft....a good welder can put an even bead on it.... it wont vibrate and you can grind the weld off if you ever want to change sprockets (I would advise going ahead and getting a new sprocket before you weld, if it still has the 532 crap, go ahead and get a whole 520 set up)
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From: wi..
Re: front sprocket prob.....
that's what my plans were and it's 530 not 532....
Originally Posted by DSOG Thomas
weld it on just the end/edge of the shaft....a good welder can put an even bead on it.... it wont vibrate and you can grind the weld off if you ever want to change sprockets (I would advise going ahead and getting a new sprocket before you weld, if it still has the 532 crap, go ahead and get a whole 520 set up)
honda.................ooh wait that's what my 
is........
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Joined: Oct 2002
Posts: 5,247
From: Chelsea MI
Re: front sprocket prob.....
Originally Posted by DSOG Thomas
weld it on just the end/edge of the shaft....a good welder can put an even bead on it.... it wont vibrate and you can grind the weld off if you ever want to change sprockets (I would advise going ahead and getting a new sprocket before you weld, if it still has the 532 crap, go ahead and get a whole 520 set up)
I like this idea best. Don't know if Thomas meant weld the nut on or a washer either way. Here's my idea. I’d leave free play, and not but the nut or washer to tight aginst the sprocket. It will self center, you could have a bunch of free play and it would still be ok. Try not to get the counter shaft too hot while welding, for the obvious reasons. Seals. I'd hit it with 3 different tack welds equally spaced on the radius where the nut was.
I'd roll like that and not even sweat it.
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