2005 YZ250f studdering problem

mxrider225
Edited Date/Time 1/27/2012 5:53am
I have a weird problem with my bike. It hadn't been ridden for a while but when I rode it yesterday it would bog down whenever I would gibe it more then 1/2-3/4 throttle. It would cut out for a few seconds then pick right back up fine. If I short shifted the whole time it was fine.

Maybe their is crud in the carb? But why doesn't it do it all the time?


Thanks.
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mxtech1
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Galesburg, IL, USA
mxtech1 11/28/2011 8:47am
11/28/2011 8:47am
Carb needs cleaned. More than likely a clogged pilot jet. Take it out spray it with carb cleaner and compressed air. Drain the carb completely, drain the tank and fill with fresh gas, should be good to go.
mxrider225 11/28/2011 9:30pm
11/28/2011 9:30pm
How hard would it be for someone with minimal bike wrenching experience? I know I could take it apart but is it a bitch to put back together?
scooter5002
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Nanton Alberta, CA
scooter5002 11/28/2011 10:16pm
11/28/2011 10:16pm
Can you read a manual? Go buy a Clymers for your bike and follow it. No, it's not hard, but I won't waste an hour typing here. The short version? Pull the exhaust and subframe, after THOROUGHLY washing the bike. Then you can access and pull the carb. Get the book, and read it. Read it first, then again while you're doing it, as a guide. Hands on while reading. No better way. Requires a minimum of tools, and a little patience. Good luck.
mxtech1
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mxtech1 11/29/2011 5:47am
11/29/2011 5:47am
loosen the pinch bolts on the boots that hold the carb in place, rotate the carb as much as you can so the bottom comes up, use a 17mm wrench and take the drain plug out, use a thin blade screwdriver to pull the pilot jet out. Clean it and put it back together.

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