Wr 426 help,,,,

i have an 01 wr426 in great shape except for one thing and was wonderign if i could get some help?

2 rides ago i changed oil and serviced the air filter now for some reason( thats why i'm here)

spceially cold it coughs and sputters and back fires through exhaust

has anyone has this problem? what could i look for thanks in advance


you may have an air leak in the carby boots, double check that you did not dislodge the airbox side of the flexible rubber to the carby whilst changing the air filter, make sure its in there properly and the hose clamp is tight.

changing the oil shouldnt really cause a problem unless you may have perhaps over filled it

but it does sound like an air leak for sure

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