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General Category >> Rubber Side Down! >> Torque spec handle bar clamp
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Message started by SoC on 02/21/20 at 16:01:45

Title: Torque spec handle bar clamp
Post by SoC on 02/21/20 at 16:01:45

Installed a new 6" window drag bar on my '03' last night. The torque spec in manual for the handle bar clamp is 13-20 nm. This assumes it is an OEM with knurls, the new bar has none. Just soliciting opinions from those with better knowlenge about this sort of thing as to if that is sufficient. Don't want to risk potential over torque of the steel bolt into the cast aluminum. In end I torqued it to in the area of 19nm.

I had and additional thought of boring a small hole from rear, through the clamp spread and into the bar and installing an 1/8" expansion pin to assure no chance of rotation. Is that overkill?

Title: Re: Torque spec handle bar clamp
Post by badwolf on 02/21/20 at 17:11:53

If you have trouble getting them tight, put a couple small pieces of emery cloth tween the bars and clamps rough side toward the chrome. It will grip the bars and stop any movement.

Title: Re: Torque spec handle bar clamp
Post by justin_o_guy2 on 02/21/20 at 17:13:34

Pressure that Could rotate the bar in the clamps are so close to
On Axis
you're not gonna move the bars without crashing,,
Go ahead,
Sit on it
Yank up
Shove down
If it doesn't act like you want
Do something different.

I used my handlebars to help me stand up for things
They never leaned back..
But when it stacked into that car at 45, they leaned forward a few inches.

Title: Re: Torque spec handle bar clamp
Post by batman on 02/24/20 at 01:21:12

You did order a 1"bar not 7/8" ?

Title: Re: Torque spec handle bar clamp
Post by SoC on 02/24/20 at 19:30:24

Batman, It is a 1" bar, just no knurls. It seems very tight and secure, was just asking as I am sure others have done replacement and what they found as to tightening up on them. Since it is not an OEM thing, just curious if someone had experience with the whole thing of non-knurled mounts.

When you are setting steel bolts in aluminum castings, did not want to risk over torque and stripping the clamp base. Since they are a cinch pull, some pressure on one fastner, some on the other, it's easy to ramp it too far. The whole alignmemnt for torque wrench with the crossbar in the way reqired a toggle on the torque wrench, that always makes me a little neverous.

My thoughts were more about over tightening and the chroming having a fail which could create slip under the clamp.

Title: Re: Torque spec handle bar clamp
Post by justin_o_guy2 on 02/24/20 at 20:30:49

Use your brains
Tightening it intelligently
If it slips
Open it up
Do something
Try again

Title: Re: Torque spec handle bar clamp
Post by ohiomoto on 02/25/20 at 17:34:30

Think about it...

Q: Do you stand up on this bike? Are you riding motocross? Do drag bars even have rise on them?

A: No, No, & No

I really can't see how you'll ever put enough leverage on these bars to rotate them in the clamps.

::) ::)

Title: Re: Torque spec handle bar clamp
Post by SoC on 02/25/20 at 19:38:38

Hey Everyone, thanks for the feedback. They are tight and seem very secure. I like the idea of a one piece rise and bar, much more option then the high risers and drag bar on the later models like my 2011. I chose to push it forward a bit. When I get it all together I will post a photo.