Search found 3 matches
- Fri Apr 17, 2015 8:49 am
- Forum: Motors - 247cc | 305cc | 337cc | 350cc
- Topic: CB77 performance valve rocker arms?
- Replies: 8
- Views: 8311
The plate under the barrels is to lower the compression. When using a blower running at around 30psi and Nitro a higher CR isn't a good idea. Jeff says he is planning on having a run of ten or so barrels cast which will be stronger than OE and have room take a bore giving up to 500cc. He is busy mod...
- Thu Apr 16, 2015 8:33 am
- Forum: Motors - 247cc | 305cc | 337cc | 350cc
- Topic: CB77 performance valve rocker arms?
- Replies: 8
- Views: 8311
- Wed Apr 15, 2015 8:40 pm
- Forum: Motors - 247cc | 305cc | 337cc | 350cc
- Topic: CB77 performance valve rocker arms?
- Replies: 8
- Views: 8311
CB77 performance valve rocker arms?
Hi all, My first post, so go easy on me :) I'm helping my friend rebuild / restore his first CB77 based race bike, that he built 30 years ago, and only recently found via Ebay and bought back. The engine is far from standard and is supercharged and will run magneto ignition. Back in the day one of t...