2020 Yamaha PW50 (2-Stroke) HIGHLIGHTS CONQUER DIRT One of the industry's best-selling mini-bikes, the affordable PW50 is a fantastic entry-level youth bike that's helped young riders learn the ropes of motorcycling for decades. ENGINE Air-cooled, 49 cc, reed-valve, 2-stroke single is mildly tuned to deliver predictable power that gently eases the new rider up the off-road learning curve. RIDER CONFIDENCE A class-lowest 485 mm (19.1") seat height creates a handling-enhancing low centre of gravity and allows most riders to put both feet on the ground for added confidence. Features may include: ENGINE Mikuni VM12SC carb Reed-valve intake system. Single-speed fully automatic transmission. CHASSIS/SUSPENSION Rugged steel backbone-type frame Class-lowest 485 mm (19.1") seat height 22 mm telescopic front fork with 60 mm (2.4") of travel smooths out the bumps. SAFETY Heat shields on engine and exhaust protect young riders from hot components. Adjustable speed limiter screw on throttle housing restricts acceleration and top speed. Removable exhaust pipe restrictor allows parents to increase top speed as skills improve. Start/Run switch prevents unit from moving while in the start position.