* Kawasaki KVF450 - This 443cc engine is found in the Polaris Sportsman 400 and the Magnum 400. It is a liquid-cooled, four-stroke engine with a single overhead camshaft.
* Suzuki LTA450 - This 449cc engine is found in the Polaris Scrambler 400 and the Sportsman 450. It is a liquid-cooled, four-stroke engine with a single overhead camshaft.
* Yamaha YFM350 - This 348cc engine is found in the Polaris Ranger 350 and the Hawkeye 350. It is a liquid-cooled, four-stroke engine with a single overhead camshaft.
* Yamaha YFM450 - This 449cc engine is found in the Polaris Sportsman 450 HO and the Scrambler 450 HO. It is a liquid-cooled, four-stroke engine with a single overhead camshaft.
These are just a few of the many motors that can be used in a Polaris ATV. The specific motor that is best for a particular ATV will depend on the desired performance and budget.
