: Pull the dipstick. Oil should be transparent to dark brown. Avoid ATVs with "milky" oil (indicates a blown head gasket/water in engine) or metallic flakes (indicates internal wear).
: Look for "caked-on" mud or painted-over rust, which can hide structural rot. 2. Engine and Fluids buying used atv checklist
: Check the underside and around A-arms for warping or deep rust that could compromise safety. : Pull the dipstick
The frame is the most expensive part to replace if it is damaged. buying used atv checklist
Worn-out suspension components can lead to unstable handling and safety risks.
: For liquid-cooled models, ensure the coolant is bright green or orange and not cloudy. 3. Suspension and Drivetrain