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by milestones54
Wed Apr 11, 2012 5:05 am
Forum: Motors - 247cc | 305cc | 337cc | 350cc
Topic: Popping/backfiring?
Replies: 10
Views: 5021

Jlovvorn
What am I looking for with the points cam?

I have synch'd the slides and established they don't stick (at least at semi-cooled temp)
My right side muffler is not attached at the footpeg section as this has broken off. Will a loose muffler be very detrimental?

Thanks a lot for your help guys
by milestones54
Sun Apr 08, 2012 9:35 pm
Forum: Motors - 247cc | 305cc | 337cc | 350cc
Topic: Popping/backfiring?
Replies: 10
Views: 5021

I'll also add that the bike idles slowely higher as it heats up (I had it idling at maybe 3700 today)
by milestones54
Sat Apr 07, 2012 8:19 pm
Forum: Motors - 247cc | 305cc | 337cc | 350cc
Topic: Popping/backfiring?
Replies: 10
Views: 5021

Popping/backfiring?

Hi all Picked up my first bike this week, little CB72 in pretty good nick. A whole lot of a fun and gets a lot of attention A problem is bothering me however. The bike is backfiring after about 10-20 minutes of riding. It will pop/backfire even when the clutch is in or is in neutral (rather than dec...