Author Topic: Front fork axle holder stud question - 1981 cb650  (Read 1713 times)

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Ostiosis

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Front fork axle holder stud question - 1981 cb650
« on: October 06, 2008, 08:37:20 AM »
I recently changes the fork seals on my 1981 cb650 (which was way easier than I thought it would be  :) ), but when I was looking in my Haynes manual I thought it said to torque the axle holder nuts to 40 - 47 ft lbs.  I look online and find out that is supposed to be 13 - 18 ft lbs.  Luckily, it striped out on the nut and the lower part of the stud, and the slider appears to be fine. 

I have the new studs on order (I hate waiting) and was just wondering if any of you had tips for torquing the studs into the slider?  I guess I should add that I don't know if you use a standard torque wrench with a strap socket or something?
« Last Edit: October 06, 2008, 09:01:35 AM by Ostiosis »

Offline bryanj

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Re: Front fork axle holder stud question - 1981 cb650
« Reply #1 on: October 06, 2008, 09:29:26 AM »
Just wind em in tight its near on impossible to torque a stud
Semi Geriatric ex-Honda mechanic and MOT tester (UK version of annual inspection). Garage full of "projects" mostly 500/4 from pre 73 (no road tax in UK).

Remember "Its always in the last place you look" COURSE IT IS YOU STOP LOOKIN THEN!

Offline crazypj

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Re: Front fork axle holder stud question - 1981 cb650
« Reply #2 on: October 06, 2008, 11:02:21 AM »
You can get hold of a Snap-On CG500 stud installer but I doubt if there is a fitting torque for the studs into fork lower.
 Just double nut them and use loctite if your worried. ( personally I wouldn't bother)
I would probably just grip old studs in soft jaws in bench vice and turn them out with adjustable wrench on the flat part
PJ
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'you can take my word for it or argue until you find out I'm right'

Ostiosis

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Re: Front fork axle holder stud question - 1981 cb650
« Reply #3 on: October 06, 2008, 11:02:40 AM »
Does anyone think it would be stupid to use an 8.8 grade bolt and grind off the head?  I am trying to get in some riding before winter comes to Vermont  :)

The dimensions on the bolt are 8x1.25x55 and I believe the studs are 8x1.25x49.  This would just be while I am waiting on Motogrid to deliver my parts.

By the way thank you guys very much for your help.
« Last Edit: October 06, 2008, 11:27:11 AM by Ostiosis »

Offline dusterdude

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Re: Front fork axle holder stud question - 1981 cb650
« Reply #4 on: October 06, 2008, 12:10:10 PM »
can i assume your local hardware/bolt supplier doesnt have 8mm studs?
mark
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Ostiosis

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Re: Front fork axle holder stud question - 1981 cb650
« Reply #5 on: October 06, 2008, 12:19:13 PM »
10mm are the closest I have found.  I haven't checked Home Depot yet though.

Edit: Home Depot doesn't have them either :(
« Last Edit: October 06, 2008, 12:34:20 PM by Ostiosis »

Ostiosis

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Re: Front fork axle holder stud question - 1981 cb650
« Reply #6 on: October 06, 2008, 03:39:50 PM »
I am going to assume that this is ok, wish me luck :)

martino1972

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Re: Front fork axle holder stud question - 1981 cb650
« Reply #7 on: October 06, 2008, 06:30:25 PM »
I am going to assume that this is ok, wish me luck :)

whatever you end up doing is up to you,but be carefull,it IS holding your front wheel in place..!!!!

Ostiosis

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Re: Front fork axle holder stud question - 1981 cb650
« Reply #8 on: October 06, 2008, 09:21:04 PM »
I ended up leaving the head on a 8x1.25x60 bolt, which left enough room to have a nut, the washer and the spacer on it.  Then I threaded it into the lower sliders.  I tightened the bolt down first (being careful not to overdo it), and then tightened the nut into place. 

I will take it on a short test drive before I go all out, but I think it will work as a temporary fix.  I will ask someone at the motorcycle place tomorrow if they think it will be OK.

whatever you end up doing is up to you,but be carefull,it IS holding your front wheel in place..!!!!

BTW your cb650 bobber is a huge inspiration for me, I hope I can make mine as cool as that  :)