Clutch release rod length

Production K Models

Re: Clutch release rod length

Postby wz507 » Wed Nov 17, 2021 10:24 am

hd54kh wrote:Good morning all, I did some more digging and found the .250 far right rod. Looking in the parts book I was working on the premise of three rods. Now I have four??

You use 4 total pieces as the Spares book shows- the stepped left-most one in the clutch, 2 more 3/16" dia rods plus the 1/4" dia rod in the clutch worm release lever.
hd54kh wrote:As in the new picture I now have the four totaling 12.355, is there a total length standard that I should have or can I measure what I actually need?

Just assemble it as described above and see where the final 1/4" dia piece comes out in the worm release lever. There has to be adequate room to installer the adjuster in the worm release lever. That's all there is to it.
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Re: Clutch release rod length

Postby hd54kh » Wed Nov 17, 2021 8:09 pm

Thanks for the coaching. I'm feeling better already. Sometime tonight or in the AM I'll fit it up and see how else I can confuse myself and report back.

Terry
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Re: Clutch release rod length

Postby dr dick » Wed Nov 17, 2021 9:38 pm

Yes the right clutch rod is .250 diameter.
But here's one for you guys.
We have apart a unmolested 59 Ch that doesn't have the 1.19 length left clutch rod at all.
this bike only has 3 clutch rods.
Instead the long clutch rod is 1.19 longer. It's the only bike I've ever seen like this.
And it sure looks to be factory. We will post pictures as soon as we can.
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Re: Clutch release rod length

Postby wz507 » Wed Nov 17, 2021 10:00 pm

Here are some right release rod dimensions, that might be helpful, from a given K model having 3 other clutch release rods of unknown length in it and a Barnett wet clutch. The right rod (custom cut length from 0.250” drill rod) is 3.107" long, it protrudes from the end of the tranny main shaft 1.080”, and with the sprocket nut in place and tightened the rod protrudes from the tin shield on the sprocket nut 0.910”. The adjuster screw in the clutch release worm for this particular set-up is shown below along with the release rod protrusion from the sprocket nut. Hope this helps with sorting your set-up.
20211117_182911.jpg
20211117_182911.jpg (83.74 KiB) Viewed 604 times

20211117_184314.jpg
20211117_184314.jpg (103.25 KiB) Viewed 604 times
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Re: Clutch release rod length

Postby hd54kh » Sun Dec 05, 2021 11:47 am

Hi all, I'm back. Sorry about my sudden hiatus but between the holiday and some elder care time gets away. I need to revisit my clutch rod situation. Some how I have more length than needed.

Not sure of where I left off but quick question. How far does the the "T" rod on the far left fit inside the main shaft? If I fit all the rods in and put the right side cover on it pushes the "T" rod way out so that it just barely starts the thicker dimension into the main shaft. So can I install the T rod until it bottoms out and than calculate the rest of the distance to the adjusting screw?


Terry
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Re: Clutch release rod length

Postby JerrryR » Mon Dec 06, 2021 1:45 am

Hi All, I think I understand what the problem is with the rods. Terry I believe your left end release rod is part of an Oil Seal Extension Kit, PN 37465-56, that first appears in the 59PB for use on 52-56Ks. It was used with the clutch gears oil seal extension. Se below for an image of the -54 clutch gear with and without the extension. I'm guessing you are trying to use it with a clutch gear without the extension?

54 Clutch Gear with and without Extension.jpg
54 Clutch Gear with and without Extension.jpg (315.06 KiB) Viewed 451 times


The image below shows the dimensions for an original stock 54- up to VIN 1465 in 56 left end release rod and the dimensions of a -56 from VIN 1465 on release rod. If you compare the dimensions with yours you will see it has the left end -56 diameter to fit the oil seal extension and the right end diameter to fit your -53A mainshaft.

Left End Release Rod Comparison -54 & -56.jpg
Left End Release Rod Comparison -54 & -56.jpg (121.03 KiB) Viewed 451 times


Finally a picture of my 54KHK showing the installed kit and your left end release rod.

Oil Seal Extension Kit Picture.jpg
Oil Seal Extension Kit Picture.jpg (208.72 KiB) Viewed 451 times
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