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by lloydy1
Sun May 24, 2015 2:26 pm
Forum: CYP77 | Racers | Choppers
Topic: CB72-77 Racer
Replies: 116
Views: 90209

Wow nice looking machine.

My bike has had a right hand gear change modification done to it. The engine is vented into the frame also, with attachments to the carbs. I am guessing that is to enable the carbs to suck warm air?? Have you heard of that before??

Cheers.
by lloydy1
Sun May 24, 2015 1:48 pm
Forum: CYP77 | Racers | Choppers
Topic: CB72-77 Racer
Replies: 116
Views: 90209

Dave Interesting bike. CB72 was a 250 and CB77 was a 305, but both were pretty much the same other than the barrels & head. Your bike has yellow racing plates which would suggest that it's larger than 350cc. Normally 305s would be taken out to 64mm bore for a 350 conversion. There have been some 50...
by lloydy1
Sun May 24, 2015 2:58 am
Forum: CYP77 | Racers | Choppers
Topic: CB72-77 Racer
Replies: 116
Views: 90209

CB72-77 Racer

Hi all...New to this site. Just picked up a new bike as a project to restore. The guy I bought it from described it as a CB72-77. Checking the frame number which is "cb77 102495" I was hoping if someone out there may know anything about it. This bike has been modified heavily. The crank case breathe...
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