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need torque specs

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Old Mar 20, 2012 | 10:03 PM
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Default need torque specs

for my neck/triple tree bearings?

i found this web

http://www.nightrider.com/biketech/hdtorquevalues.htm

maybe my lingo isnt the same... but is what im looking for on this chart? help the noob!
 
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Old Mar 20, 2012 | 11:36 PM
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Originally Posted by landonm11
for my neck/triple tree bearings?

i found this web

http://www.nightrider.com/biketech/hdtorquevalues.htm

maybe my lingo isnt the same... but is what im looking for on this chart? help the noob!
According to the '06 service manual:

"Tighten fork stem bolt to 23-27 ft-lbs. Loosen fork stem bolt, then retighten to 72-96 in-lbs.

Tighten the fork stem clamp screw."

But, if you look in the torque chart for critical fasteners, the Stem bolt needs to be tightened to "15 ft-lbs, loosen, 7 ft-lbs" and steering stem pinch screw is 30-35 ft-lbs.

Many mechanics use the 'fall-away' procedure to adjust this, but I didn't see it mentioned in the service manual (but I haven't read the entire manual)
 
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Old Mar 21, 2012 | 12:09 AM
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Fall away is the only method in the service manual.
 
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Old Mar 21, 2012 | 06:58 AM
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Yes there is a value in that link, but setting the tightness is not as simple as using a torqe setting. If you are doing work on your bike it is a great idea to get the factory service manual. You will recover the cost on this job alone, compared with having it done at a dealer.

However if your bike is under warranty, take it to your dealer.
 
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Old Mar 21, 2012 | 04:28 PM
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I've used the fall-away method, and I think it's BS. Can never get a consistent setting, so I slowly torqued the nut until felt resistance in steering, then backed it off just until the the tightness disappears while moving the bars left and right. This is the same way I've done tapered wheel bearings for 30 years. No issues with the wheel bearings or the head bearings.
 
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Old Mar 23, 2012 | 06:42 PM
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Originally Posted by grbrown
Yes there is a value in that link, but setting the tightness is not as simple as using a torqe setting. If you are doing work on your bike it is a great idea to get the factory service manual. You will recover the cost on this job alone, compared with having it done at a dealer.

However if your bike is under warranty, take it to your dealer.
no torque specs in a knuckle or pan
 
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Old Mar 23, 2012 | 06:44 PM
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no torque specs for a knuckle or pan in the factory shop manuel may be for your late thing
 
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Old Mar 23, 2012 | 06:45 PM
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Originally Posted by 3stoogeshd
no torque specs in a knuckle or pan
Knuckles and pans have a different top clamp securing methods all together...but this is the Sportster section anyway.
 
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Old Mar 23, 2012 | 08:51 PM
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Originally Posted by John_K
According to the '06 service manual:

"Tighten fork stem bolt to 23-27 ft-lbs. Loosen fork stem bolt, then retighten to 72-96 in-lbs.

Tighten the fork stem clamp screw."

But, if you look in the torque chart for critical fasteners, the Stem bolt needs to be tightened to "15 ft-lbs, loosen, 7 ft-lbs" and steering stem pinch screw is 30-35 ft-lbs.

Many mechanics use the 'fall-away' procedure to adjust this, but I didn't see it mentioned in the service manual (but I haven't read the entire manual)
Originally Posted by rickss69
Fall away is the only method in the service manual.
I've found the 'fall-away' adjustment in the service manual (section 1.18) but it is not the only method listed. Section 2.18 details the assembly procedure I quoted above after servicing the head bearings. No reference is made to the previous 'fall-away' method. The critical fasteners chart in section 1.4 lists the stem bolt torque as 15-loosen-7 ft/lbs value, while the torque value chart in 2.2 matches the numbers in the procedure in 2.18



soooo ...which is it MoCo?
 
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Old Mar 23, 2012 | 09:12 PM
  #10  
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The only time you need to use a torque spec on the neck stem bolt is when you're seating new bearing races. But even then you back it off to set the fall-away. Once that's done you'll torque the neck stem pinch bolt and the fork tube pinch bolts to spec.
 
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