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Old 06-02-2017, 10:20 AM   #1
packrat56
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Default Ways to make shovelhead clutch easier to pull?

Built an 1980 FXEF for the ol-lady, The clutch is too hard for her to pull in.

She rides my 73 FLH all the time; there is a noticeable difference in the difficulty to pull.

There is not a significant difference in the design of the two systems.

All that comes to mind is the clutch springs and making sure things are lubricated throughout the system.

What other possible things can be changed?
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Old 06-02-2017, 10:40 AM   #2
govmule84
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Default Re: Ways to make shovelhead clutch easier to pull?

A longer clutch arm will ease pull weight at the expense of more travel.
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Old 06-02-2017, 11:36 AM   #3
magnum45pete
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Default Re: Ways to make shovelhead clutch easier to pull?

fit a Diaphragm clutch conversion, ... real easy to do, & not expensive.
I have fitted them to my last 3 bikes and make it a one finger clutch pull.
not sure who sells them in the USA, but here in Europe a couple of firms do them.
remember, the 10 spring clutch was designed as a Foot clutch and was never updated for hand use till the 90's,...
Harley just expected you to live with a shit heavy clutch cause they couldn't be bothered to bring it into the 20th Century.

https://www.motorcyclestorehouse.com/product/906957
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Old 06-02-2017, 11:45 AM   #4
packrat56
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Default Re: Ways to make shovelhead clutch easier to pull?

How easy would it be to pull in the clutch? Like this? http://www.jpcycles.com/product/630-...FQ6dfgodZJ4MDA


Quote:
Originally Posted by magnum45pete View Post
fit a Diaphragm clutch conversion, ... real easy to do, & not expensive.
I have fitted them to my last 3 bikes and make it a one finger clutch pull.
not sure who sells them in the USA, but here in Europe a couple of firms do them.
remember, the 10 spring clutch was designed as a Foot clutch and was never updated for hand use till the 90's,...
Harley just expected you to live with a shit heavy clutch cause they couldn't be bothered to bring it into the 20th Century.

https://www.motorcyclestorehouse.com/product/906957
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Old 06-02-2017, 11:57 AM   #5
magnum45pete
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Default Re: Ways to make shovelhead clutch easier to pull?

Quote:
Originally Posted by packrat56 View Post
How easy would it be to pull in the clutch? Like this? http://www.jpcycles.com/product/630-...FQ6dfgodZJ4MDA
Like I said, made mine one finger pull clutches,.. real easy ....
they work on 3, 5 & 10 finger clutch hubs,
I went for a 10 finger hub on this build as it looks better with an open Belt drive.
but had it on a 3 finger clutch on my 79 FXS & my 45 Magnum.
I Honestly feel it's the best result for Dollar you can get,.... ask about them, don't know who here has fitted them but everyone I know with them loves them.
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Old 06-02-2017, 12:35 PM   #6
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Default Re: Ways to make shovelhead clutch easier to pull?

Thanks!
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Old 06-02-2017, 01:04 PM   #7
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Default Re: Ways to make shovelhead clutch easier to pull?

If you want "old school" go with a mousetrap. When setup properly, its a one finger pull.
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Old 06-02-2017, 01:46 PM   #8
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Default Re: Ways to make shovelhead clutch easier to pull?

I'd do that on an older bike just for the nostalgia
This one needs new tech.. I like the diaphragm clutch idea.

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Originally Posted by buckman50 View Post
If you want "old school" go with a mousetrap. When setup properly, its a one finger pull.
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Old 06-02-2017, 03:07 PM   #9
WhizzbangK.C.
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Default Re: Ways to make shovelhead clutch easier to pull?

I've put in 3 of the Sifton diaphragm clutch kits that were linked to above. Work perfectly, easier clutch pull, no slippage (once it's set up right, read early evo shop manual for proper spring adjustment.), no more "creep" at stops, trans shifts smoother since there's no drag, and they seem to stand up well. Only issue I've had is that after running a while one of the studs broke and pulled out of the hub that came with it, but that could happen with any clutch hub.
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Old 06-02-2017, 03:31 PM   #10
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Default Re: Ways to make shovelhead clutch easier to pull?

Do I have to use the hub that comes in the kit? ( I assume so, but...)


Quote:
Originally Posted by WhizzbangK.C. View Post
I've put in 3 of the Sifton diaphragm clutch kits that were linked to above. Work perfectly, easier clutch pull, no slippage (once it's set up right, read early evo shop manual for proper spring adjustment.), no more "creep" at stops, trans shifts smoother since there's no drag, and they seem to stand up well. Only issue I've had is that after running a while one of the studs broke and pulled out of the hub that came with it, but that could happen with any clutch hub.
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Old 06-02-2017, 03:37 PM   #11
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Default Re: Ways to make shovelhead clutch easier to pull?

Quote:
Originally Posted by packrat56 View Post
Do I have to use the hub that comes in the kit? ( I assume so, but...)
No you don't,... its just a standard hub, BUT....''Sifton'' is now part of ''Taiwan Teds'' empire of junk made from monkey metal.
if your hub is in good condition I'd use that one or buy a quality hub not one of his.
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Old 06-02-2017, 03:43 PM   #12
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Default Re: Ways to make shovelhead clutch easier to pull?

Interesting.. Arent the studs shorter? I thought I read that somewhere..
Sure would be an easier install with the stock hub!

Quote:
Originally Posted by magnum45pete View Post
No you don't,... its just a standard hub, BUT....''Sifton'' is now part of ''Taiwan Teds'' empire of junk made from monkey metal.
if your hub is in good condition I'd use that one or buy a quality hub not one of his.
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Old 06-02-2017, 03:58 PM   #13
magnum45pete
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Default Re: Ways to make shovelhead clutch easier to pull?

not shorter at all,...
over here in Europe there are two firms that supply most things needed for older Harleys,
Motorcycle Storehouse & W&W,...
neither sell Junk, all quality kit....
As I said I have fitted 3 of these and never changed the Hub other than the one I am building now as it is open belt and the 10 finger hub looks better,
check out the link to Storehouse and they just sell the 3 parts needed (out of stock at the moment )....probably a firm in the State that sell the kit other an V-Twin..
have a hunt around
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Old 06-02-2017, 04:06 PM   #14
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Default Re: Ways to make shovelhead clutch easier to pull?

Excellent news! Thank you. I ordered the Sifton kit, we will see how it holds up.. Good price $136. AD
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Old 06-02-2017, 07:50 PM   #15
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Default Re: Ways to make shovelhead clutch easier to pull?

just for the record 10 spring ended in 1984.
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Old 06-03-2017, 02:05 AM   #16
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I run a rivera pro clutch. It's smooth as silk.
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Old 06-03-2017, 02:06 AM   #17
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A good cable and lube make a world of difference too.
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Old 06-03-2017, 12:00 PM   #18
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Default Re: Ways to make shovelhead clutch easier to pull?

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Originally Posted by Samhain View Post
I run a rivera pro clutch. It's smooth as silk.
Can you run the Rivera Pro Clutch system and still maintain the chain drive primary?
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Old 06-03-2017, 03:31 PM   #19
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Hmmmmm, I don't know if they offer chain drive pro clutch for shovels. I prefer belts, when I'm not on the side of the road with a broken one.
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Old 06-03-2017, 09:02 PM   #20
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Default Re: Ways to make shovelhead clutch easier to pull?

you can run a rivera pro clutch with chain or belt. i have bikes both ways
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