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Old 11-04-09, 05:29 AM   #1
doser
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Default Anti-seize on bolts?

I ride my SV650 year-round, and I don't have a garage, so it gets to live under a cover. It also seems Suzukis don't have a stellar reputation for quality of fasteners, and while I don't do a lot of wrenching, I've dealt with easy stuff like a windscreen, hugger, tail-tidy, hand-guards, etc. And I'd prefer the fasteners to remain easy to loosen, so I've made a practise of applying a little dab of anti-seize to every fastener that comes off the bike before resetting it.
Longer-term owners and experienced mechanics: is this worthwhile? Are there any concerns about altering torque loadings on bolts with anti-seize vs 'dry' placements? Do many of you upgrade your fasteners to stainless/whatever? If so, are there particular fasteners that need 'the love', while others survive fine as is?
Thanx,
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Old 11-04-09, 06:45 AM   #2
Jamiebridges123
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Default Re: Anti-seize on bolts?

The use of a bit of copper grease or the like shouldn't require you to alter any torque settings... at least, I haven't and I've had no trouble.
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Old 11-04-09, 08:25 AM   #3
Thingus
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Default Re: Anti-seize on bolts?

A friend of mine upgraded every single bolt he could find on his bike and... apart from the fairing ones, everything goes back on with copper grease. No harm in it anyway.
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Old 11-04-09, 08:31 AM   #4
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Default Re: Anti-seize on bolts?

Any bolt that comes off my bike now at least gets a bit of WD40 (if its always off and on and off again and on once more), else a bit of good ol' copper slip gets loaded on and i have no problems when i come to take them off again.
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Old 11-04-09, 10:10 AM   #5
yorkie_chris
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Default Re: Anti-seize on bolts?

Quote:
Originally Posted by Jamiebridges123 View Post
The use of a bit of copper grease or the like shouldn't require you to alter any torque settings... at least, I haven't and I've had no trouble.
Yes it should.

Adding something slippery in threads increases the tension on the bolt shaft for the same torque, due to the reduction in friction. Resulting in overtightening and possible shearing.

Reduce the torque by 10% when using grease. The torques in the manual for most of the bike are dry assembly torques. Except for in the motor where they specify to use oil. (e.g head bolts... head gasket will leak if you do not use oil!)

Quote:
Originally Posted by alpinestarhero View Post
Any bolt that comes off my bike now at least gets a bit of WD40 (if its always off and on and off again and on once more), else a bit of good ol' copper slip gets loaded on and i have no problems when i come to take them off again.
What's the point of using WD40? It's a light machine oil suspended in paraffin and won't last 2 minutes.
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Old 11-04-09, 10:17 AM   #6
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Default Re: Anti-seize on bolts?

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Originally Posted by yorkie_chris View Post
Yes it should.

Adding something slippery in threads increases the tension on the bolt shaft for the same torque, due to the reduction in friction. Resulting in overtightening and possible shearing.

Reduce the torque by 10% when using grease. The torques in the manual for most of the bike are dry assembly torques. Except for in the motor where they specify to use oil. (e.g head bolts... head gasket will leak if you do not use oil!)



What's the point of using WD40? It's a light machine oil suspended in paraffin and won't last 2 minutes.
I only use it on bolts that come off commonly, like the sprocket cover bolts and the chain gaurd bolts. I guess i should use copper-slip, but WD40 works just as well and its always to hand when im cleaning my bike anyway.
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