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Author Topic: Honda cr crank tins  (Read 1980 times)

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Offline Paul552

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Honda cr crank tins
« on: August 10, 2015, 08:42:34 pm »
Just building another Honda and the tins have been removed on the crank

Has anyone ever replaced the tins?
I guess they serve as crank case stuffing so I am wondering if it would lose performance with extra crankcase volume?
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Offline GMC

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Re: Honda cr crank tins
« Reply #1 on: August 10, 2015, 09:44:45 pm »
From what I hear, if you fit the cans you will lose a lot more performance when the rod busts through the cases :o
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Offline Lozza

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Re: Honda cr crank tins
« Reply #2 on: August 10, 2015, 10:36:11 pm »
Quote from: Paul552 on August 10, 2015, 08:42:34 pm
Just building another Honda and the tins have been removed on the crank

Has anyone ever replaced the tins?
I guess they serve as crank case stuffing so I am wondering if it would lose performance with extra crankcase volume?

Extra case volume is a good thing, if in doubt measure the volume and work out the crankcase compression ratio. The tin covers were never available separately.
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Offline Paul552

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Re: Honda cr crank tins
« Reply #3 on: August 11, 2015, 06:28:11 pm »
Cool thanks guys
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'77 YZ125D '84 CR250RE '89 CR250RK '84 CR80RE  '09 YZ250F
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