Sheared Rear Sprocket Bolts?

[bobwombat]

had anyone had experience w/sheared rear sprocket bolts? any problems w/bolts backing out at all? tips/tricks re: properly installing the bolts is appreciated. thx, forum....

[John_in_Long_Beach]

Yes my rear sprocket bolts were loose, even though they are locking it is good to check them.

[slashman]

hey bob are you ready to ride yet. this friday east valley(afternoon). or saturday. e-mail me at crazyloks@qwest.net

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wr42601

not yz timmed yet

some mods

[YAMAKAZE]

RSK and I recently had the extreme displeasure of watching one of our YZ250 brothers completely shatter a hub, destroy a chain wheel and chain guide coming off a 3ft terrace in a pasture. He had never checked the bolt torque in a year of riding....It caught up to him in a very expensive way...

Bonzai ?

[lewichris]

If you are ever in a pinch and you lose one a nylon wire tie works well for an emergenct to get you back to your truck. Not a small one though. Use a big thick one. Of course this is if you lose one or two bolts.

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If life is not a blur. You aren't going fast enough

[Maicoman]

Add my 250 F to the list,

luckily they were only starting to get loose, and yes I checked them several times before.

I retightened with a different type of "Locktite", let's see if that works.

[mike_dean]

Make sure you are not adjusting your chain too tight, putting extra pressure on the sprocket. mike

[bobwombat]

good thought, mike. thx to all for your input....bobwombat

[MLN]

Yes, When I first got my 01 426 I started going through rear sprocket bolts. The first 2 that sheared I blamed on myself for not checking the tightness. The second 2 I found right after they sheared to find a ring of rust on the core of the bolt. I am convinced that there must have been a defective batch of bolts produced. I now have replaced all my sprocket bolts and have over 2000kms on them trouble free.

Mark