XY50PY Description: With its 2 stroke kick start engine this machine is great for the junior rider. The automatic transmission and shaft drive make it a great way for the young rider to learn the joys of dirt biking. Dimensions (LxWxH)(mm): 1330 x 660 x 860 Wheel Base (mm): 920 Net. Weight (kg): 46 Max. Load: 120 KG / 264 LBS Spark Plug: A7TC Spark Plug Gap: 0.6 - 0.8 Front Tire Size: 3.5 - 8.8 Rear Tire Size: 3.5 - 10.8 Compression Ratio: 9.0 : 1 Standard Power (kw/r/min): 2.0 / 5000 Max. Torque (N.m/r/min): 2.5 / 7500 Max. Speed (km/h): 50 Bore x Stroke (mm): 47.0 x 41.4 Idle Speed (r/min): 1500 Brake Distance (30km/h): 4.00m Displacement (ml): 49.0 Engine: 1P39FMB Climbability: 30º Starting: Kick Transmission: Automatic / Shaft Drive Color: Blue