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PostPosted: Tue Dec 06, 2022 4:15 pm 
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848cc
848cc
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Joined: Sat Aug 19, 2017 1:56 pm
Posts: 18
Location: Santa Barbara, CA
I need help reassembling my non-verto clutch. I understand that the flywheel, pressure plate, and clutch cover have an embossed identifier (sometimes an “A”) that must be lined up with one another for balance. I marked each one with a sharpie during disassembly just in case the factory marks were illegible. When it came time to button everything up, I realized I had wiped off my sharpie marks, and of course, except for the clutch cover, the factory marks were illegible.

I had my flywheel and pressure plate lightened and balanced when my engine was assembled and there are balancing holes drilled in both. I thought if I aligned the balancing holes with one another the flywheel/pressure plate assembly would be in balance. Does this make sense? Unfortunately, when I fastened them together, the closest I could get the balancing holes to align is about 30° off, given the bolt pattern of the flywheel & pressure plate. And I don’t know how the “A” on the clutch cover relates to any of this. Any ideas would be appreciated. I’ve cross-posted this in a couple of forums, so please forgive the redundancy.


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PostPosted: Tue Dec 06, 2022 4:18 pm 
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1275cc
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Joined: Wed Jan 19, 2005 1:52 pm
Posts: 2582
Location: Brisbane
I would say that they both have been balanced independently of each other, Hence the holes in different areas

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PostPosted: Tue Dec 06, 2022 5:28 pm 
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1275cc
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Joined: Sun Apr 29, 2012 1:19 pm
Posts: 4494
Location: Wollongong, NSW
I don’t suppose you took any photos of the pair prior to cleaning?

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PostPosted: Tue Dec 06, 2022 6:49 pm 
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848cc
848cc

Joined: Tue May 19, 2015 8:41 pm
Posts: 170
Hi, most times when a balancing person balances an engine they put their own marks on the assembly. maybe little punch marks near one bolt hole...See how lucky you may be. cheers Lindsay

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PostPosted: Wed Dec 07, 2022 6:33 am 
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Joined: Fri Mar 19, 2004 6:19 pm
Posts: 39752
Location: near Baulkham Hills, NSW
If no mark dots or paint spots I would put it on a crankshaft and get its balance checked.
When I did them I do the flywheel first, then bolt the backplate on and do it, then fit the diaphragm and use best of its 3 positions. Sometimes need to drill a hole it that or add a spot of weld.
Then paint mark all 3 components.

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