My 49 cc BWS bogs when I start off

Yamaha BWs 50 discussion forum:


My 49 cc BWS bogs when I start off

My 49 cc BWS bogs when I start off 
Matt said 2010-03-07 21:35 
 
Hi When my bike is cold it sputters and after 30 seconds of riding gives full power. After I ride for 10 minutes or so, It at times has no power starting off from a standstill. This is worse under more of a load such as starting off to go up a hill. This problem is intermitant and has gotten worse over the last 2 months. Any ideas? I have cleaned the airfilter and changed the plug a couple of times. The clutch is not slipping. It seems to be a carburator problem. The air cleaner is contacted properly to the carburator. At high speed it seems to go good. I can do up to 80 km on a hill. 
 
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