jcmoto 125cc engine 4 stroke motor semi-auto 3 forward 1 reverse gear for atv 4 wheelers tricycle jcmoto <p><b>specifications:</b></p><p>displacement: 125cc</p><p>type: horizontal, single-cylinder, 4-stroke, air-cooled</p><p>compression ratio: 9.0: 1</p><p>front sprocket 420 - 17mm - 14t</p><p>transmission: 4-speed 3 forward 1 reverse gear</p><p>bore x stroke: 2.06" x 2.19”(52.4mm x 55.5mm) </p><p>top engine mount : 92mm</p><p>bottom engine mount: 82mm </p><p>bolt to bolt :152mm (6")</p><p>rated power & rotating speed: 5.8 kw/7500r/min±375 r/min</p><p>max. torque & rotating speed: 8.5 n.m/5000r/min±250 r/min</p><p>idle speed 1500 r/min±100r/min</p><p>ignition: cdi</p><p><br></p><p><b>wiring:</b></p><p>1. five wires (plug): for gear indicator</p><p>2. yellow wire: for storage battery</p><p>3. pink (or yellow) wire: for storage battery</p><p>4. black & red wire: for signal trigger</p><p>5. green wire: for grounding</p><p>6. blue & white: for trigger coil</p>