125CC 4-Speed Semi Auto + Reverse Engine Clamp Motor Kit Pit Buggy Quad Bike ATV
125cc Engine Motor 3 Speed + Reverse Semi Auto replace 110cc ATV Quad Bike Buggy. Bore x Stroke : 52.4 × 55.5 mm, 119.7 mL. Maximum net power/ rpm : 5.8 kw/ 7500r/ min±375 r/ min.