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water in gas or out of time change the spark plug and check the carb bowl for water if there is then drain the tank and clean the carb Additional comment: Often when you have a motorcycle or ATV that is backfiring you will find that your bike is having a problem with bad spark timing. This will also cause your Jerking... Take your bike to a profession and have them look at the carburetor adjustment and the timing.
What else can I help you with?
What causes polaris 250 2 cycle to backfire when starting or running?
I, too, would like to know the answer! I have a 1993 Polaris Trail Boss ATV with the 250 cc engine... it tends to backfire when letting off the throttle.
Can you be ten to ride ATV on the road?
yes you can ride a ATV but it is illegal to ride it in the streets.
Why would an arctic cat ATV backfire?
from unburned fuel in the cylinder
How do I make my ATV street legal in New Jersey?
You're not aloud to ride an ATV in New Jersey. There are no ATV parks to ride in, you may only ride on private property with the consent of the owner.
Can you ride your ATV on the street?
yes you can ride it on a street
Is it legal to ride a ATV on the street in MI?
NO! ATV's are not street legal.
Why did my 400cc ATV backfire several times and shut off and then wont crank?
Replace your sparkplugs.
Can you drive an ATV in New Jersey with a New Jersey automobile license?
you can ride a ATV without a license but, NO You cant ride an ATV on the streets in New Jersey. you may only ride on private property with the consent of the owner.
Can you ride ATV's on public roads?
no
Do you have to have a license to ride ATV's in Oregon?
Yes you need a ATV license here in Oregon
What is faster motorbike or ATV?
When I ride I notice that I go faster on a motorbike than I do on an ATV.
How old do you have to be to ride an ATV?
I heard you have to be at least 10+ to ride by yourself... and5+ to ride with an adult
