Rotor Bolts Torque Specifications - K-Bikes.com - Excellence in Motion
 
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post #1 of 6 (permalink) Old May 21st, 2008, 8:12 am Thread Starter
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Rotor Bolts Torque Specifications

I have a 2004 K1200RS in need of a new front tire. In order to save a few bucks, I removed the front wheel myself. Once the wheel was off the bike, I noticed the rotors seems to be a little loose with respect to their attachment to the wheel. I just bought a service manual on ebay and haven't received it yet. So, I don't know what it has to say about the torque specs on the bolts holding the rotor to the wheel. Can anyone tell me if this loose condition is normal and what the torque specs should be for these bolts? As usual, this is the best place on the web to get the answers to all my questions . . .
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post #2 of 6 (permalink) Old May 21st, 2008, 8:37 am
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The front disc is supposed to "float" on bobbins held in place by the retaining bolts.

Look here for exploded view: http://www.webparts.com/diagram.php?...30&hg=34&fg=05

In response to your question, the disc retaining (or mounting) bolts are torqued to 21Nm.
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Bruce C
'04 K1200RS Capri Blue(totaled)
2008 Triumph Sprint ST
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post #3 of 6 (permalink) Old May 21st, 2008, 11:59 am Thread Starter
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I will have to check the torque on these once I get the wheel w/ new tire back from the shop. I should have said that it wasn't so loose that it seemed to rattle. It was tight but yet appeared to have some flex away from the wheel. When reassembling to the bike, what type of lube should be used on the axle? What is on it now is like a graphite colored, very thin film. I would suspect it is there for corrosion protection and not lubrication. Can I just use a thin film of white grease or just standard axle grease?
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post #4 of 6 (permalink) Old May 21st, 2008, 12:59 pm
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Quote:
Originally Posted by pittstar63
I will have to check the torque on these once I get the wheel w/ new tire back from the shop. I should have said that it wasn't so loose that it seemed to rattle. It was tight but yet appeared to have some flex away from the wheel. When reassembling to the bike, what type of lube should be used on the axle? What is on it now is like a graphite colored, very thin film. I would suspect it is there for corrosion protection and not lubrication. Can I just use a thin film of white grease or just standard axle grease?
The fronts should be loose, but if it is too loose to the point the rotors rattle, you need to replace the crinkle spacer washers.

Floating rotors help them centralise between the pads.

I use 'copper ease' grease. It's only there to stop the axle seizing the next time you pull it out.



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post #5 of 6 (permalink) Old May 21st, 2008, 1:49 pm Thread Starter
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What BMW has in there looks like the same Permatex Anti-Seize compound that I have been using in and around the garage for years. Would this be sufficient, since it is only being used to prevent seizing?
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post #6 of 6 (permalink) Old May 21st, 2008, 2:50 pm
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Quote:
Originally Posted by pittstar63
When reassembling to the bike, what type of lube should be used on the axle? What is on it now is like a graphite colored, very thin film. I would suspect it is there for corrosion protection and not lubrication. Can I just use a thin film of white grease or just standard axle grease?
Sure can. I just use some Honda Moly 60, only because it's handy.
Be sure to apply very sparingly. The grease will only glob up on the outside of the wheel bearing and make a mess.

Bruce C
'04 K1200RS Capri Blue(totaled)
2008 Triumph Sprint ST
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