engine type: 50cc, single cylinder 2-stroke, air cooled transmission system: shaft drive bore* stroke(mm): 40*39.2 piston displacement(ml): 49 maximum power(kw/r/min): 1.98/5500 maximum torque(n.m/r/min): 3.7/4500 starting system: kick starter transmission: non-grade shift seat height(mm): 480x10 min turning radius(mm): 1000 ground clearance(mm): 100 brake(front/rear): drum/drum tyre front: 2.50-10-4pr tyre rear: 2.50-10-4pr ignition type: c.d.i fuel tank capacity(l): 2.0 front suspension: telescopic fork rear suspension: unit swing parking brake: none battery: none max. load capacity(kg):40 engine oil capacity(l): 0.3 gear oil capacity(l): 0.05 dry weight(kg): 39 rider capacity: 1 person wheel base: 860 lubrication: auto overall length(mm): 1250 overall width(mm): 580 overall height(mm): 720 compression ratio: 6.0:1 gross weight: 46 kg 140 units/ 20' 292 units/40' on the other information kindly please visit our website at www.emaxco.com or reply to tom@emaxco.com directly