small 4 wheelers gas

Most models use a 40cc engine and standard 4‑stroke engine technology.

Top speeds vary by model; the provided listings show maximum speeds ranging from about 13 mph up to 28 mph.

Most include an easy pull-start system. Some ATVs also feature a keyed ignition system and an emergency shutdown (kill) switch for added control.

Construction is described as metal with reinforced metal tube frames. Listings also mention clutch systems and precision chain transmissions for power delivery.

Features include an adjustable speed controller to limit top speed, an emergency shutdown switch for instant engine cutoff, and front protection plus shock absorption elements for impact protection.

The engines are 4‑stroke and do not require fuel/oil mixing. The available details specify using 10W‑40 oil.