Pictures of 47-49cc pocket bike engine installs???

On pocket bikes, it doesn't have to last beyond a race meeting, or an afternoon round a car park.

Bigger is better, so use the best chain lube you can. I will.
 
I built a moped using an X-Games bike and a CAG "Stage II" engine.
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http://motorbicycling.com/showthread.php?t=42509

Fun little engines, but they need some work for reliability. Good luck with your build and remember to gear it low enough so it will pull.
 
Nice thread 16v4nrbrgr, lot of good stuff in there. Definitely I will take my cags apart and do the case/bolt upgrade, whatever else to make it more solid. Make a pipe, maybe upgrade reed and carb.
 
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