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 available ATV engines also come in both two-stroke and four-stroke designs. Pricing can vary significantly depending on the condition, model and shipping weight and distance.
eBay.com typically has numerous options for purchasing ATV engines available for both rebuilt and used engines, with some new engine options. The specific choices available may vary depending on current listings by sellers and may require monitoring for a period of time to locate the exact make and model needed to fit the desired installation frame. There are also many parts, engine cores and main pieces available for users constructing an engine.
MotorPartsMax.com, as of 2016, has new engines ranging from 47cc to 400cc available to fit many makes of ATVs, including Suzuki, Kawasaki, Honda, Baja and Polaris. Many other Chinese-manufactured new engines are available as well.
Remanufactured and rebuilt engines are the specialty of nFlow Motorsports. The company has units available for many of the largest ATV manufacturers, including Arctic Cat, Polaris, Honda, Can-Am and Yamaha. As of 2016, free shipping and handling are available for all engine orders as well as component orders over $100 with destinations in the 48 contiguous United States.