Balance marks on post 81 clutch

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mattcfish
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Balance marks on post 81 clutch

Post by mattcfish »

The block is stripped, the 336 cam is installed, new timing sprockets and chain in place, Siebenrock 1000 cc Nikasils and pistons coming up. Dual plugging in progress.
I'm switching to a post 81 clutch and tranny. I'm installing a good used clutch. There are factory white paint marks that look like they correspond to the heavy points on the "fly wheel" gear, inner pressure plate, and outer cover plate. I know this has been covered before....but...does anyone know how these paint marks should be arranged to obtain the factory balance?
Bellingham, WA USA
1975 BMW R90/6
1975 BMW 2002
1971 VW Westfalia
1985 VW Vanagon
http://advrider.com/index.php?threads/b ... s.1074183/
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macdaddy
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Location: Travelers Rest S.C.

Re: Balance marks on post 81 clutch

Post by macdaddy »

120deg from each other...
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dougie
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Location: Burlington Ontario, Canada

Re: Balance marks on post 81 clutch

Post by dougie »

According to my Haynes manual -
Cover plate, pressure plate, flywheel, 120 degrees apart.
I've spent most of my money on women, motorcycles, and beer.
The rest of it I just wasted.
Kurt in S.A.
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Re: Balance marks on post 81 clutch

Post by Kurt in S.A. »

I just bought new clutch parts for my /7. No paint marks. I guess they're coming from the factory perfectly balanced!!

Kurt in S.A.
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dougie
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Re: Balance marks on post 81 clutch

Post by dougie »

Kurt in S.A. wrote:I just bought new clutch parts for my /7. No paint marks. I guess they're coming from the factory perfectly balanced!!
Kurt in S.A.
I love an optimist.
I've spent most of my money on women, motorcycles, and beer.
The rest of it I just wasted.
Kurt in S.A.
Posts: 1656
Joined: Tue Aug 03, 2010 12:08 pm

Re: Balance marks on post 81 clutch

Post by Kurt in S.A. »

dougie wrote:I love an optimist.
Yeah, I know! But I've got nothing to go on, so I won't worry about the balance...or lack thereof.

Kurt in S.A.
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dougie
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Re: Balance marks on post 81 clutch

Post by dougie »

Kurt in S.A. wrote:
dougie wrote:I love an optimist.
Yeah, I know! But I've got nothing to go on, so I won't worry about the balance...or lack thereof.
Kurt in S.A.
You've been here a while Kurt, you know we are all a little unbalanced.
I've spent most of my money on women, motorcycles, and beer.
The rest of it I just wasted.
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mattcfish
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Re: Balance marks on post 81 clutch

Post by mattcfish »

macdaddy wrote:120deg from each other...
That makes since, but it's impossible to do. The paint marks won't match up in that order. I'll just have to try and get it as close as I can.
Bellingham, WA USA
1975 BMW R90/6
1975 BMW 2002
1971 VW Westfalia
1985 VW Vanagon
http://advrider.com/index.php?threads/b ... s.1074183/
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macdaddy
Posts: 114
Joined: Thu Aug 05, 2010 5:46 pm
Location: Travelers Rest S.C.

Re: Balance marks on post 81 clutch

Post by macdaddy »

as per BMW school ..if no marks...put it together. On a side note has anyone ever used the disk with the "oversized"(or would that be undersized) splines?
ME 109
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Location: Albury, Australia

Re: Balance marks on post 81 clutch

Post by ME 109 »

Put a blindfold on and go for it. If you're lucky, an unbalanced clutch may just cancel out all the other airhead vibrations. ;)
Lord of the Bings
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