Clutch pushrod questions

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dontsink
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Clutch pushrod questions

#1

Post by dontsink » Thu May 16, 2019 8:52 am

Hi Gentlemen,

There is a similar thread in the Knuck section but i didn´t want to hijack, so i put it in here.
My gearbox from a 1957FL was overhauled by a reputable shop, and they replaced the origin pushrod with a new one (i think it is andrews but not for shure), as you can see, the new one is about 8,5mm shorter than the old one. Is this a problem or just a thing of adjusting the clutch properly? Which one of the two would you use, old or new (tho old one shows some pitting and signs of wear) - and the last question: Which end of the rod goes in the gearbox to the kicker?
Thank you!,
Thomas
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1950Panhead
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Re: Clutch pushrod questions

#2

Post by 1950Panhead » Thu May 16, 2019 12:36 pm

Either will work, the rod size reduction fits into the throw out bearing, the original rod has an extension that goes through the throw out bearing into the throw out fork, not needed.

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Re: Clutch pushrod questions

#3

Post by Panacea » Thu May 16, 2019 5:41 pm

The new one looks like it will seal better on the clutch end! Hopefully they replaced the hub nut oil seal...

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Re: Clutch pushrod questions

#4

Post by RooDog » Thu May 16, 2019 7:17 pm

The hub nut, main shaft, and the pushrod, in theory, all rotate together so that the pushrod merely slides in and out in the seal. Early kick only transmissions only had a cork, spring, and washer for a seal. Later E-start trannies used a rubber lip seal, I liked to double them up, because the engine pulled a vacuum in the primary case to recirculate the oil back through the engine. An open primary with a belt drive should be likewise sealed.
...RooDog....

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Re: Clutch pushrod questions

#5

Post by Buddhahoodvatoloco » Fri May 17, 2019 10:29 am

Beunos, beunos. See pic.
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dontsink
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Re: Clutch pushrod questions

#6

Post by dontsink » Fri May 17, 2019 11:29 am

Thank you guys for your kind answers, i will go with the new one and with the correct end in. 😀 Thomas

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Re: Clutch pushrod questions

#7

Post by awander » Fri May 17, 2019 8:12 pm

Buddhahoodvatoloco wrote:
Fri May 17, 2019 10:29 am
Beunos, beunos. See pic.
Well, actually, either end goes in the transmission, depending on which side you stick it in from...

The end shown goes toward the right side of the bike.

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Re: Clutch pushrod questions

#8

Post by Buddhahoodvatoloco » Fri May 17, 2019 8:15 pm

Why would you want to confuse some one, who is asking for help.
awander wrote:
Fri May 17, 2019 8:12 pm
Buddhahoodvatoloco wrote:
Fri May 17, 2019 10:29 am
Beunos, beunos. See pic.
Well, actually, either end goes in the transmission, depending on which side you stick it in from...

The end shown goes toward the right side of the bike.

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Re: Clutch pushrod questions

#9

Post by RooDog » Fri May 17, 2019 8:33 pm

Buddhahoodvatoloco wrote:
Fri May 17, 2019 8:15 pm
Why would you want to confuse some one, who is asking for help.
awander wrote:
Fri May 17, 2019 8:12 pm
Buddhahoodvatoloco wrote:
Fri May 17, 2019 10:29 am
Beunos, beunos. See pic.
Well, actually, either end goes in the transmission, depending on which side you stick it in from...

The end shown goes toward the right side of the bike.
The turned down end, with the taper, goes into the clutch release bearing, the throwout bearing, in the kicker, or non kicker, cover. The flat end goes toward the clutch. This all should be plainly illustrated in both the Harley Service and Parts Manuals, no?

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Re: Clutch pushrod questions

#10

Post by awander » Fri May 17, 2019 8:40 pm

Hi Buddha:

Well, I thought that your answer was confusing, which is why I added the additional info.

Saying "this end goes in the transmission" could mean at least two different things....

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Re: Clutch pushrod questions

#11

Post by fltzd » Mon May 20, 2019 10:53 am

Regarding the cork vs rubber seal clutch hub nut. As far as I am aware the later model rubber seal version will fit the earlier model and should provide a better seal.

Happy to be contradicted, better to be wrong and change it before making a mistake.

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Re: Clutch pushrod questions

#12

Post by fltzd » Wed May 22, 2019 4:39 am

My post on this was meant as a question rather than as a statement.

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Re: Clutch pushrod questions

#13

Post by awander » Wed May 22, 2019 4:54 am

I think that you are correct.

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