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Buell Motorcycle Forum » Old School Buell » Archive through July 01, 2009 » Wrench size for front iso lock nut « Previous Next »

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5liter
Posted on Thursday, June 25, 2009 - 03:11 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

What size is it? I put a 3/4" on it but it feels loose. Metric maybe?
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5liter
Posted on Thursday, June 25, 2009 - 03:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

This one.


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Jramsey
Posted on Thursday, June 25, 2009 - 03:19 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Yep it's a 3/4".
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5liter
Posted on Thursday, June 25, 2009 - 04:32 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Thanks. Time to change the busted iso...........
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5liter
Posted on Friday, June 26, 2009 - 07:50 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Guess what? My 2002 S3T front isolator has a 19mm nut and bolt. The isolator mounting nuts and bolts are 14mm. Go figure. I thought that 3/4 inch wrench was a little loose. You might want to file that away some where for future reference.

(Message edited by 5liter on June 26, 2009)
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Jramsey
Posted on Friday, June 26, 2009 - 08:50 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Iso mount bolts are 3/8"x 16 x 1" with a 9/16" head.

Main Iso bolt is 1/2"x 13 x3-3/4" with a 3/4" head.

9/16" = .5625
14mm x 39.4 = .5516

3/4" = .750
19mm x 39.4 = .7486

Being that most bolts come from China these days sooner or later we will be using ViseGrips and pliers to get a good fit.
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5liter
Posted on Friday, June 26, 2009 - 09:02 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Now I just gotta figure out how to get the wrench and socket on those iso mount bolts. Sure isn't much room. All mine must be the Chinese versions. The standard size wrenches are sure loose.
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Jramsey
Posted on Friday, June 26, 2009 - 09:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Dropping the Iso tie bar on the frame (right) side will give you more room to get at the lock nut.

I ground,heated and bent a open end wrench just to get at the right hand Iso nut.

Once broken loose I use a 3/8" air ratchet with a 9/16" wobble socket and a 3/4" long extension on the top side and the bent wrench on the bottom.
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5liter
Posted on Friday, June 26, 2009 - 09:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I figured I was going to have to make a few tools to get at them. Maybe if I could find my old distributor wrenches I might have something.
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