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View Full Version : Burned out valves?



HondaEXrider22
10-30-2007, 04:42 PM
Well, I think i done it. a 2003 400ex with a WB pipe, k&n jets, and the WB filter. I was riding like usual, and everyhting fine. Then after a days ride, I get hardcore bogging out on high RPMs. Like bogging and losing power. I figure its a dirty airfilter, so I change that. No change. I think because I took out all the discs and back plate on the exhaust. I figured there wouldnt be a problems because it didnt seem to be running lean. Any help?

Big - D Racing
10-30-2007, 11:54 PM
clean out your carb

chad502ex
10-31-2007, 07:54 AM
unscrew the cap on the bottom of the carb to drain any water or debris that could be clogging the main jet.


good luck.

Kickstarts-suck
10-31-2007, 10:30 PM
clean the carb really good