Vintage and Classic Hondas

850cc Big Bore camshaft?

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feltzo
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850cc Big Bore camshaft?

feltzo
Hey guys, I've got a 1975 CB750 super sport in desperate need of some boring work. I've been looking at the Cycle X 850cc Big Bore kit, looks awesome, and can't beat the price either.
But i need to know what the best camshaft would be for it, that doesn't necessitate any crazy porting or valve work.
Not really looking to make a drag bike or anything, but just figured I'd bore it out to 850 instead of just doing 1st oversize pistons.
Thanks, much appreciated.
1975 CB750F
849cc Big Bore Kit
Webcam 63a
Pamco Ultimate Ignition w/High Output Coils
Rear Luggage Rack
TOOLS1
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Re: 850cc Big Bore camshaft?

TOOLS1
Administrator
Web Cam 63a grind.
TOOLS
Life is not about the number of breaths, you take, but the moments that take your breath away.
I don't have an anger problem. I have an idiot problem. Hank Hill
Never confuse education for intelligence.
Happiness is a belt fed weapon.
I just can't imagine what could go wrong.
No fire? No explosions? So whats the point of your story?
Those who are too smart to engage in politics are punished by being governed by those who are dumber. ~Plato
It couldn't be done, but the darn fool didn't know it, and did it anyway.
We all got problems. Ksharp
I like vintage bikes because they take me away from the clutter of technology that I work with everyday and back to a simpler time of mechanical elegance and simplicity.. "ninadm"
Darkwing Duck: The worst part of public transportation is the Public.
"That is awesome shit there" Re-Run
"Fear nothing, attack everything" Eric Berry
" Oh, you read that on the internet? Clearly it IS a massive problem. Of course it CAN’t be normal operation."

1976 CB 750-A X 2
1977 CB 750-A X 4
1977 CB 750-K
1976 CB 750 F
1981 CB 750
1966 Kawasaki SG 250
1981 KZ 750 LTD
1973 CB 350
1979 CM 185 Twinstar
1982 Honda XL 80
South of Eden (Kansas City MO)
feltzo
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Re: 850cc Big Bore camshaft?

feltzo
Thank you very much, sir. Should I upgrade the valve springs as well? If so, which would you recommend?
1975 CB750F
849cc Big Bore Kit
Webcam 63a
Pamco Ultimate Ignition w/High Output Coils
Rear Luggage Rack
TOOLS1
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Re: 850cc Big Bore camshaft?

TOOLS1
Administrator
I would upgrade the valve springs with that cam. Cycle-X has everything you need.
TOOLS
Life is not about the number of breaths, you take, but the moments that take your breath away.
I don't have an anger problem. I have an idiot problem. Hank Hill
Never confuse education for intelligence.
Happiness is a belt fed weapon.
I just can't imagine what could go wrong.
No fire? No explosions? So whats the point of your story?
Those who are too smart to engage in politics are punished by being governed by those who are dumber. ~Plato
It couldn't be done, but the darn fool didn't know it, and did it anyway.
We all got problems. Ksharp
I like vintage bikes because they take me away from the clutter of technology that I work with everyday and back to a simpler time of mechanical elegance and simplicity.. "ninadm"
Darkwing Duck: The worst part of public transportation is the Public.
"That is awesome shit there" Re-Run
"Fear nothing, attack everything" Eric Berry
" Oh, you read that on the internet? Clearly it IS a massive problem. Of course it CAN’t be normal operation."

1976 CB 750-A X 2
1977 CB 750-A X 4
1977 CB 750-K
1976 CB 750 F
1981 CB 750
1966 Kawasaki SG 250
1981 KZ 750 LTD
1973 CB 350
1979 CM 185 Twinstar
1982 Honda XL 80
South of Eden (Kansas City MO)
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