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Author Topic: oversize rebore kit  (Read 1256 times)

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Offline wingman1946

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oversize rebore kit
« on: July 30, 2011, 12:30:33 PM »
Does anyone know of an oversize piston & ring kit for the CB 650?
« Last Edit: August 02, 2011, 06:41:37 AM by wingman1946 »
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Offline dave500

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Re: oversize rebore kit
« Reply #1 on: July 30, 2011, 11:04:27 PM »
you want more than the normally offered oversizes?
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Offline Terry in Australia

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Re: oversize rebore kit
« Reply #2 on: July 31, 2011, 03:39:14 AM »
I don't know what big bore kits are available, but one of the members here bored one out to 61mm using CB750 pistons and sleeves. Can't remember what the actual capacity was, but there was a lot of engineering work involved, and it had a few problems. Cheers, Terry.  ;D 
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Offline wingman1946

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Re: oversize rebore kit
« Reply #3 on: August 02, 2011, 06:41:09 AM »
Quote from: Terry in Australia on July 31, 2011, 03:39:14 AM
I don't know what big bore kits are available, but one of the members here bored one out to 61mm using CB750 pistons and sleeves. Can't remember what the actual capacity was, but there was a lot of engineering work involved, and it had a few problems. Cheers, Terry.  ;D 

I am just wanting to know what kits are currently being offered and maybe where to find them. I have not had much luck with searches.
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Offline bryanj

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Re: oversize rebore kit
« Reply #4 on: August 02, 2011, 08:11:33 AM »
There are no "Kits" to my knowlwdge mate
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Offline wingman1946

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Re: oversize rebore kit
« Reply #5 on: August 02, 2011, 08:55:15 AM »
Quote from: bryanj on August 02, 2011, 08:11:33 AM
There are no "Kits" to my knowlwdge mate

Do you know of a piston ring set that the 650 can be bored to work with?  I am kinda wondering what happens when our low mileage classic bikes get to be high mileage oil burners.
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Offline dave500

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Re: oversize rebore kit
« Reply #6 on: August 02, 2011, 01:42:06 PM »
« Last Edit: August 02, 2011, 01:47:34 PM by dave500 »
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Offline bryanj

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Re: oversize rebore kit
« Reply #7 on: August 03, 2011, 06:43:34 AM »
You CAN NOT just fit rings to and overbore it has to be piston kits and Honda made them in 0.25; 0.5; 0.75; and 1.00mm oversizes for most of their engines
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Semi Geriatric ex-Honda mechanic and MOT tester (UK version of annual inspection). Garage full of "projects" mostly 500/4 from pre 73 (no road tax in UK).

Remember "Its always in the last place you look" COURSE IT IS YOU STOP LOOKIN THEN!
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