2002 yamaha bear tracker 250??? - Yamaha ATV Forum
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post #1 of 2 Old 04-10-2012, 10:47 AM Thread Starter
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2002 yamaha bear tracker 250???

I have a 2002 yamaha bear tracker and cant seem to find out the problem.... i had the head sent out a few years ago to get rebuilt and finally found time to put it all back together after cleaning out the carb and putting everything back together i found out that it will start up great with or w/o choke cold or hot and it will idle great as well. But when i start to ride it it will start bogging out at 1/2 throttle or more and when i back off to 1/4 throttle it sometimes helps but it will also sometimes bog. It's like it cant carry any wait on it or go up hills, going down a slight hill it will go but other than that nothing. it would be great if someone could give me an idea of whats going on thanks.
Deian is offline  
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post #2 of 2 Old 05-28-2012, 05:21 PM
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Join Date: Nov 2011
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sounds like a problem in the carb, could be sucking air check the air box hoses to the carb. my timberwolf was doing this and it was sucking air at the hose connection to air box.
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