125CC SEMI AUTO ENGINE MOTOR 4 SPEED REVERSE ATV QUAD GO KART 3+1. ENGINE SIZE : 125CC. 3 forward 1 reverse gear. GEAR SYSTEM : 3 FORWARD; NEUTRAL; REVERSE. Idle speed : 1500 r/min±100r/min. Maximum torque/ rpm : 8.5 N.m/5000r/min±250 r/min.
eBay