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Need a cylinder block for 81 DOHC

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trapper

Need a cylinder block for 81 DOHC

While taking apart my motor for a rebuild I busted some of the fins on the damn cylinder block...
Anyone have one they would be willing to part with?
Let me know your price and maybe if you would be interested in trades.
I have a bunch of rear end stuff available plus many other Honda parts.

It ain't a custom till you have customized it yourself.

1981 CB750c (current daily ride and build)
1980 GL500 (Stripped and rebuilding)
1981 CM450 (Stripped and rebuilding)

TOOLS1

Re: Need a cylinder block for 81 DOHC

Administrator

Just file them smooth. Add an oil cooler, that will more then make up for the lost surface of the fins.
TOOLS

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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)

trapper

Re: Need a cylinder block for 81 DOHC

Admittedly looks is a factor though on this cuz I'm doing so much work to customize.
I'm not often coincided about my personal appearance haha but the bikes gotta be pretty when I'm done.

It ain't a custom till you have customized it yourself.

1981 CB750c (current daily ride and build)
1980 GL500 (Stripped and rebuilding)
1981 CM450 (Stripped and rebuilding)

shinyribs

Re: Need a cylinder block for 81 DOHC

Administrator

Might check on getting them welded back on. That might be a cheaper option vs. buying a new set of jugs and whatever machine work may be needed to make them useable.

sockmonkey20

Re: Need a cylinder block for 81 DOHC

In reply to this post by trapper

hey Trapper if i can't get mine working then i will have no problem selling you my cylinder block, im not to sure how much though. so give me like a week or two and i will get back to you.

Honda: 1981 CB750k (non-op)
Mostly stock.
Kawasaki:1984 gpz 550(daily)
A/M exhaust 4-1, stage two carburettor jets

trapper

Re: Need a cylinder block for 81 DOHC

Yeah Sock, that would be great... Let me know. Though I am looking at big bore kits for this now also haha....
What issues are you having? I'm sure ya already asked somewhere but there's always another CB fan here who's good with advice on fixing these old dogs.

It ain't a custom till you have customized it yourself.

1981 CB750c (current daily ride and build)
1980 GL500 (Stripped and rebuilding)
1981 CM450 (Stripped and rebuilding)

sockmonkey20

Re: Need a cylinder block for 81 DOHC

im stilll trying to find out whats wrong with it. my dad will be leaving for bakersfield in a week or two for a week so thats when im going to take the engine out and figure out whats wrong.

Honda: 1981 CB750k (non-op)
Mostly stock.
Kawasaki:1984 gpz 550(daily)
A/M exhaust 4-1, stage two carburettor jets