Question about rotor bolts - Wrist Twisters
 
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post #1 of 9 Old 08-07-2008, 11:48 AM Thread Starter
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Question about rotor bolts

I'm putting together a front wheel for my 919. Ron Ayers lists rotor bolts as "6x17". Here is my double-barreled question. Is this the size and thread pitch of the bolt, and can I simply go to a good hardware store and find matching bolts? Most of all, I'm wondering if the OEM Honda stuff will be any different from a high strength bolt available at any fastener shop.

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post #2 of 9 Old 08-07-2008, 12:12 PM
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6 X 17 refers to the diameter (6) and the length (17) of the bolt. The thread pitch is 1.0 mm per thread.

Looking at the manual, the specified torque on these bolts is 14 Ft/Lbs, just under double the normal torque specified for 6mm bolts, so they are already quite tough. Using just any hardware you come across will probably work, but you can't be sure of their grade not only individually, but of their consistency from bolt to bolt. Stick with the Honda ALOC bolts.

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post #3 of 9 Old 08-07-2008, 12:14 PM Thread Starter
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Thanks again Rob.

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post #4 of 9 Old 08-07-2008, 01:43 PM
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Grade is a concern. I also worry about rust prevention.

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post #5 of 9 Old 04-07-2009, 11:39 PM
 
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Quote:
Originally Posted by robtharalson View Post
6 X 17 refers to the diameter (6) and the length (17) of the bolt. The thread pitch is 1.0 mm per thread.

Looking at the manual, the specified torque on these bolts is 14 Ft/Lbs, just under double the normal torque specified for 6mm bolts, so they are already quite tough. Using just any hardware you come across will probably work, but you can't be sure of their grade not only individually, but of their consistency from bolt to bolt. Stick with the Honda ALOC bolts.

Rob
Honda state the rotor bolts should be replaced rather than reused. The bolt type is ALOC. Does anyone know what ALOC actually means, as opposed to the popular definition - 'Apply Loctite Or Crash'. There's been quite a bit of discussion on this topic on other MC forums but no definitive answer. 30 minutes ago, I cleaned my old rotor bolts of hardened loctite and attempted to re-use them. One snapped prior to reaching the specified torque suggesting that it was stretched beyond its elastic limit. Now I feel that reusing them could be potentially dangerous.

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post #6 of 9 Old 04-08-2009, 06:36 AM
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I may be mistaken ( that's different than being wrong, ask any politician ) but, I think that means theirs a locking agent already applied to the fastener.

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post #7 of 9 Old 04-08-2009, 06:51 AM
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Quote:
Originally Posted by Rich Jura View Post
I may be mistaken ( that's different than being wrong, ask any politician ) but, I think that means theirs a locking agent already applied to the fastener.

Later
Rich
i do believe my esteemed colleague from the great state of michigan is correct in his assesment of this concern...

(they usually come with blue loctiteish stuff preapplied)



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post #8 of 9 Old 04-08-2009, 05:44 PM
 
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Ah, thanks for that. Have just ordered a replacement set at an horific price. I knew if I only ordered 1 or 2 to replace the broken one, at least one more than I ordered would break - as per Murphy's law. Is there a concensus on the wisdom of reusing these bolts?

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post #9 of 9 Old 04-08-2009, 05:59 PM
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Hmm, actually never done rotors on my Hondas, but on my HD Red loctite is specified for Rotor bolts. Red makes em pretty hard to get out, sometimes even some heat is needed, so I dont reuse em.

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