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Engine backfire is caused by an imbalance in the air-to-fuel ratio of the vehicle. Backfires occur in one of two places. A backfire in the intake manifold is caused by a ratio that is too lean (not enough fuel). A backfire out of the exhaust system is caused by a ratio that is too rich (too much fue


When a motorcycle engine has an emission system malfunction, such as an exhaust leak or a moment of running rich or running lean, backfire occurs as a result. When an engine is running rich, there is more fuel present than air, according to DoItYourself.com. When it is running lean, there is more ai


All-terrain vehicle engines can be purchased new, used and rebuilt from many sources, including eBay.com, MotorPartsMax.com and nFlow Motorsports. The ATV engines available range in size from small 50cc to 125cc youth and mini models to 350cc high-performance and 750cc twin-cylinder motors. The avai


Cars backfire for several reasons, including air and fuel mixing due to leaking hoses or other mechanical problems. Faulty spark plugs or wires can cause a car to backfire. It can also occur when shifting to a lower gear in a car with high horsepower.


When the explosive noise of a car backfire occurs, it usually indicates that the air-to-fuel mixture is unbalanced or that a problem exists with the vehicle's timing. A backfire is the result of fuel burning outside to the engine's combustion chamber. Backfires can occur in either the intake system


Can-Am ATVs are all-terrain vehicles made by the Can-Am division of Bombardier Recreational Products. Can-Am manufactures many ATV models including sport, utility, youth and side-by-side vehicles. ATVs are open vehicles designed for off-road transportation for recreation, sport or work purposes.


You can buy a new, used or refurbished ATV online through eBay, Craigslist, ATV.com and ATVTrader.com. You can also buy an ATV through a local ATV dealership, which often offer buy-back programs, financing and other incentives to subsidize the purchase of an ATV.


Backfiring during acceleration occurs when ignition takes place in the intake or exhaust instead of the combustion chamber. The most common causes for backfiring during acceleration include an incorrect fuel-to-air ratio, a faulty ignition and bad wiring.


Some basic parts of an ATV include the brakes, rack, spark arrestor, muffler and footrest. These parts vary from model to model and may not be in the same place on every ATV.


A side-by-side ATV is an all-terrain vehicle that seats more than one person. Once used primarily by farmers and builders to haul supplies, side-by-side ATVs have become a luxurious off-roading vehicle instead.