The Yamaha YZ250Fi is the greatest four-stroke dirt bike for trail riding among trail dirt bikes. This bike is powered by a four-stroke engine with four valves. Yamaha was the one who introduced it. Aluminum is employed as the main material, with a steel framework. The dirt bike's frame is made entirely of aluminum in the more modern variant.
This trail dirt bike combines two primary strengths: a four-stroke engine and a lightweight chassis, which is most prevalent in 250cc bikes at dirtbikeadvisor.com. It has a two-gallon fuel capacity.