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Buell Forum » Old School Buell » Archive through August 27, 2011 » Dry clutch/open primary » Archive through August 25, 2011 « Previous Next »

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Thylacine
Posted on Sunday, August 21, 2011 - 10:49 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

is or has anyone run one of these? I believe it will be my next mod.

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Guell
Posted on Sunday, August 21, 2011 - 11:11 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

who makes it?
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Natexlh1000
Posted on Sunday, August 21, 2011 - 11:58 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

How do you get at the tranny juice?
The original fill/drain are located in the primary.
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Thylacine
Posted on Sunday, August 21, 2011 - 11:59 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The company is called NH power. They are out of Germany.
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Thylacine
Posted on Sunday, August 21, 2011 - 12:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Drill some holes?
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Eshardball
Posted on Sunday, August 21, 2011 - 12:09 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Oh my god, does that look trick. Fireman Jim has a dry belt drive on a Bonneville motor that he built but its a monster. What do they get for that?
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Natexlh1000
Posted on Sunday, August 21, 2011 - 12:23 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

>"Drill some holes?"

LOL.

1) Drill hole
2) Let juice out
3) Flip bike over on rotiserie
4) Fill with gear lube
5) TIG weld hole in case
6) Put bike back upright

and you're done!
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Azrael_cervale
Posted on Sunday, August 21, 2011 - 07:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Nice stuff but I'd have to redo my shifter mount.

http://www.harleycustom.com/Prod-NH_Power_-_Parts_ for_Harley_Davidson-16-375.html
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Littlebuggles
Posted on Sunday, August 21, 2011 - 09:00 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I've never seen that. It's NEAT!!!
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Ft_bstrd
Posted on Sunday, August 21, 2011 - 09:13 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I would still love to know how the primary fluid is held and how it's managed.
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Andymnelson
Posted on Sunday, August 21, 2011 - 09:39 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)


quote:

I would still love to know how the primary fluid is held and how it's managed




There is no primary fluid...its a dry setup.
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Guell
Posted on Sunday, August 21, 2011 - 10:07 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

there has to be some in the transmission...
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Jayvee
Posted on Sunday, August 21, 2011 - 10:58 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yeah, where's the shifter and stuff?
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Blks1l
Posted on Sunday, August 21, 2011 - 11:56 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I would assume it requires a different trapdoor that would seal everything off.
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Greg_cifu
Posted on Monday, August 22, 2011 - 04:20 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Look more closely at the design. The part with the company name on it is a replacement primary cover but basically flat.

With the transmission and starter cavity sealed off by that plate, it's a simple matter of designing bearing carriers and seals that pass the crank and transmission shafts through that cover.

The pulleys and their new clutch hang outboard of the new cover. Everything else hangs outboard of that. It looks like a really cool addition if you want to be able to say that you drag your clutch basket in corners.
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Ft_bstrd
Posted on Monday, August 22, 2011 - 08:21 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

So there's a drain added to the transmission side?

Is there also a filler added? It would be a PITA to have to remove the primary cover to get to the trap door every time you needed to do a primary fluid swap.
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Ft_bstrd
Posted on Monday, August 22, 2011 - 08:22 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

It'd also be a LOT easier to tell if your crank seal was going bad. : D
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Thylacine
Posted on Monday, August 22, 2011 - 09:11 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Who changes that stuff anyway?
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Oldog
Posted on Monday, August 22, 2011 - 09:13 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

alternator ??
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Jramsey
Posted on Monday, August 22, 2011 - 09:23 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If you want to listen to clutch rattle buy a Ducati.
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Oldog
Posted on Monday, August 22, 2011 - 09:42 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

FT figure that there are lip seals on the trap door, there is one on the crank already
to keep the engine oil in

wheres the alternator
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Jayvee
Posted on Monday, August 22, 2011 - 07:04 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I can't catch a picture of it, but I like the one on the Wakan motorycle.

It can be seen here: http://www.engmore.com/home.php

The engine cases say S&S but can't find any info about the primary cover.
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Ft_bstrd
Posted on Monday, August 22, 2011 - 10:11 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

FT figure that there are lip seals on the trap door, there is one on the crank already
to keep the engine oil in


I understand that. I would assume there would be a seal on the trap door. My question is how, other than pulling the primary cover every time, do you get new primary fluid in there, and once in there, how do you get it out.

I wonder if the service interval of the fluid would be extended?
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Natexlh1000
Posted on Monday, August 22, 2011 - 11:11 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I suppose without the heat and contamination from the clutch, the tranny fluid could stay in there for a long time, right?

What is the fluid life of a big twin tranny? (Not primary)
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Nwrider
Posted on Tuesday, August 23, 2011 - 12:31 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

That sure is purdy. Purdy usually equals I caint afford it. :P
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Skntpig
Posted on Tuesday, August 23, 2011 - 12:04 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Does want. How much?
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Blackm2
Posted on Thursday, August 25, 2011 - 10:42 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Any ideas on the cost folks?
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96s2t
Posted on Thursday, August 25, 2011 - 12:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

With the dry clutch you would then have reduced oil capacity in the transmission and less cooling/lubrication. Clutch noise and dust. Extra cost....all changed for a look when the stock clutch works perfectly fine? Not for me.
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Natexlh1000
Posted on Thursday, August 25, 2011 - 03:19 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Cars with manual trannies don't have to change the juice often.
I don't think there is as much heat without the clutch or stator.

I personally wouldn't bother but I have to admit that it does look cute.
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96s2t
Posted on Thursday, August 25, 2011 - 04:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I am no expert but I was just thinking that the oil capacity would be greatly reduced and the dry clutch will still create heat if there is friction there. Just think of a V8 motor running with 2 quarts of oil. But... I am no expert. I will be happy to look at the guy's bike that forks out the cash to install the dry clutch.
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