: 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).
When buying a used ATV, a thorough inspection is critical to avoid expensive "hidden" repairs. This checklist covers the vital mechanical, structural, and legal points you should verify before handing over any cash. 1. Frame and Chassis
: Use a flashlight to inspect all welds and joints for cracks or signs of re-welding.
The frame is the most expensive part to replace if it is damaged.
: Look for "caked-on" mud or painted-over rust, which can hide structural rot. 2. Engine and Fluids
Worn-out suspension components can lead to unstable handling and safety risks.
