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by mvdb
Wed Jun 05, 2013 6:47 pm
Forum: Motors - 247cc | 305cc | 337cc | 350cc
Topic: CB77 doesn't run well, bad compression?
Replies: 15
Views: 8470

jensey wrote:Hi,

where are you located ?

Jensen
In the Netherlands just like you!
by mvdb
Tue Jun 04, 2013 9:04 pm
Forum: Motors - 247cc | 305cc | 337cc | 350cc
Topic: CB77 doesn't run well, bad compression?
Replies: 15
Views: 8470

First did you do this with the carbs wide open? If not do it again. Pour an ounce of Marvel Mystery oil in each cylinder and let it set for a day or two and recheck. Thanks for the quick reply. Yep, throttle WFO! Not sure about the choke position though. I'm not sure if we have that oil in Europe. ...
by mvdb
Tue Jun 04, 2013 5:22 pm
Forum: Motors - 247cc | 305cc | 337cc | 350cc
Topic: CB77 doesn't run well, bad compression?
Replies: 15
Views: 8470

CB77 doesn't run well, bad compression?

I bought my CB77 a couple years ago, but I haven't had so much time to fix her up. I got 1 new coil, a condenser and a fresh set of points so I have good sparks now. I adjusted the valves, got the carbs cleaned in an ultrasonic bath and flattened the flanges. Though she doesn't wanna run fine yet. I...




 

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