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Author Topic: rebore capacity  (Read 1397 times)

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Offline petercb750

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rebore capacity
« on: March 25, 2007, 03:11:54 AM »
Guys - what capacity does the 736cc become with (1) 10thou overbore and (2) a 20thou overbore?
Maths was never my strong point - I think I wagged school that day!  ::)
Peter. :)
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Offline bryanj

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Re: rebore capacity
« Reply #1 on: March 27, 2007, 03:47:01 AM »
3.142 x bore in cm x bore in cm x stroke in cm or if you want formulaeically Pie D squared divided by 4 gives the area, times lenght gives the volume times number of cylinders
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Offline Sam Green Racing

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Re: rebore capacity
« Reply #2 on: March 27, 2007, 11:28:22 AM »
Pete, if Bryan has messed your head up :D :D :D :D :D :D :D :D...these are the CCs you will end up with useing Hondas oversize pistons.

1st os +.25mm=742cc....2nd os +.50mm=748cc....3rd os +.75mm=754cc.....4th os +1mm=761cc.

Sam. ;)
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Offline petercb750

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Re: rebore capacity
« Reply #3 on: March 27, 2007, 01:25:50 PM »
Bryan - thanks, although I did get a bit of a headache ::)

Sam - cheers for that, those are the numbers I was after. Mine's a 748 now.

Many thanks guys.

Peter :)
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Offline Sam Green Racing

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Re: rebore capacity
« Reply #4 on: March 27, 2007, 01:51:41 PM »
3.142 x 30.75 x 30.75 x 63 x 4 = 748'681.2 cc.

Sam. ;)
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CB95 hybrid race bike
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Offline petercb750

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Re: rebore capacity
« Reply #5 on: March 27, 2007, 02:46:40 PM »
I'll take your word for it Sam!  ;D
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1982 CB1100RC (ours)
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