Right fork leak from Allan Bolt

[Kgkeates]

Had leak from allan bolt on bottem of right hand fork.  Rebuilt with new washer still leaking Rebuilt again with ptfe tape on thread still leaking.  Any on else had this problem.

[98valk]

I've never had that problem but teflon tape is not a sealant.

use thread sealant such as this
https://www.permatex.com/products/thread-compounds/thread-sealants/permatex-seal-lock-thread-compound-35-ml/

[Kgkeates]

Thanks for your help can't get product you mention in UK unless I pay around 40 dollers with shipping so found permatex
 Thread sealent do you think this will be OK.

[hubcapsc]

When you tighten the bolt, does the damper spin? It needs to be tight on there
and not spin, there's a specified torque...



I've never used any kind of thread sealer on mine, but...

Thread seal tape (also known as PTFE tape, Teflon tape, or plumber's tape) is a
polytetrafluoroethylene (PTFE) film tape commonly used in plumbing for sealing
pipe threads.

-Mike

[98valk]

Thanks for your help can't get product you mention in UK unless I pay around 40 dollers with shipping so found permatex
 Thread sealent do you think this will be OK.

that was just an example.
yes any thread sealant made for oil, fork oil, etc.

[h13man]

The only GOOD way to tighten/loosen these bolts is to use a impact, carefully. I have used a piece of wood before on a previous bike to hold the "tube" to hand tighten but never again.

[Kgkeates]

Thanks all.  Allan bolt goes tight and using torque wrench with new OEM  washer .  Only small leak but we'll annoying.

[RonW]

"Allan bolt goes tight and using torque wrench with new OEM  washer .  Only small leak but we'll annoying."

The oil lock might not be fully seated perhaps from debris or a deformed oil lock. Things would be much simpler if the allen bolt worked like the oil bolt which when tightened won't allow oil to leak providing the crush washer is good. That is, an oil bolt doesn't have an oil lock to seal the oil bolt from the inside. I don't know why a bolt and crush washer works in one situation and won't work in another, but in this situation the oil lock isn't called an 'oil lock' for nothing.





I'm sure you did, but after removing the allen bolt, you have to pop out spring stopper washer before installing the allen bolt again.




Without removing the spring stopper washer, the damper rod which the coil spring lifted up when the allen bolt was removed, will reman in a raised position.




Even if the allen bolt is able to reach the raised damper rod, there isn't enough threads left (B) to seat the oil lock (A).




The allen bolt will bottom out before it can pull the oil lock tight to the bottom of the fork. The allen bolt might feel tight and even torque to specs but inside the fork tube the oil lock won't be seated.




And it wouldn't be the case if Hole A was unthreaded. That said, I don't remember whether it was unthreaded. Anybody? I believe it's unthreaded.

[98valk]

another great post Ron. 

[RonW]

thanks!

[Valker]

Spectacular post, Ron. Thanks.

[RonW]

It's costing me $400/yr for my CAD software, so minus well make as much use of it. The grand plan was to do the entire Valkyrie part for part except the engine & transmission internal parts. However, my computer can't seem to keep up with the software. I would like to buy a new computer, but the prices of a decent model nowadays are astronomically where previously a thousand dollar would buy a top of the line, now you only get something just above the mediocre range. The computer that I have is 2T hard drive (wired for storage), 1T SSD drive, but it's not advance enough to operate Windows 11 which has the faster programs.

[The emperor has no clothes]

It's costing me $400/yr for my CAD software, so minus well make as much use of it. The grand plan was to do the entire Valkyrie part for part except the engine & transmission internal parts. However, my computer can't seem to keep up with the software. I would like to buy a new computer, but the prices of a decent model nowadays are astronomically where previously a thousand dollar would buy a top of the line, now you only get something just above the mediocre range. The computer that I have is 2T hard drive (wired for storage), 1T SSD drive, but it's not advance enough to operate Windows 11 which has the faster programs.

Is CAD a hobby, or part of your work ?

[RonW]

Just hobby

[RonW]

It's more productive to work on familiar items. Click on the thumbnails to enlarge image, then click again to view full size, otherwise the images appear blurry.

[The emperor has no clothes]

It’s really cool ! I have no such talents. 

[Jess from VA]

And here I was thinking.... where does this Ron guy get these fantastic color diagrams? I'm not bad at internet research, and I've never seen or found anything like them.     

My ability is limited to going to a Honda parts list fishe and blowing it up larger. 

[..]

Two thumbs up Ron.

[longrider]

Ron

were you planning on adapting the HF changer to remove install tires on the rims.  I have the same unit and designed and made rubber cushions on each arm to prevent damaging the rims

[RonW]

"I made rubber cushions on each arm to prevent damaging the rims"


Good topic. I'm using these on the rim clamps.




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Other options.

Mojoblocks









I saw this on YouTube or somewhere.