2006 Yamaha YZ250F Help

Lewis323
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2
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10/2/2015
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USA
Lewis323
Edited Date/Time 10/2/2015 3:51pm
I have had this bike for a month now, and it stopped starting. I have ridden it almost every weekend since i purchased it. Spark plug is working fine, gas is flowing into the carburetor and overflowing. I can kick the bike without a problem. Also, it backfires every now and again.Oil has been changed recently as well. If anyone knows what is wrong with it please let me know. Thanks
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mxtech1
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7/21/2011
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Galesburg, IL, USA
mxtech1 10/2/2015 1:46pm
10/2/2015 1:46pm
Check the valve clearances lately?

Try a new spark plug?

Is there a rag or anything in the air intact tract?
Phillip_Lamb
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ORANGEVALE, CA, USA
Phillip_Lamb 10/2/2015 3:22pm
10/2/2015 3:22pm
if you getting back fire your jetting might also be on the lean side
Paw Paw 271
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Benton, LA, USA
Paw Paw 271 10/2/2015 3:51pm
10/2/2015 3:51pm
Check your fuel screw. It may not be adjusted correctly or in may have just fell out and thus causing a lean condition.
Also check valve clearances.

Paw Paw

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