Racing 140cc engine motor kit with electric start for Dirt Pit bikes Z50, QR50, CT70, and 110

Condition:New|Max Power:7 kW/8500r/min 1¡À5%r/min|Max Torque:9.5 Nm/5500r/min 1¡À5%r/min|Transmission:4-speed(Manual clutch) 0-1-2-3-4|Ignition:CDI|UPC:Does Not Apply|Placement on Vehicle:Front|Fuel Type:Gasoline|Engine Type:4-Stroke|Manufacturer Warranty:Yes|Idle Speed:1500r/min¡À150r/min|Lubrication:SAE15W/40-SE, 4-stroke gasoline engine oil|Lubricant Capacity:900ml|Start Mode:Electric/ Kick start|Number of Cylinders:1|Manufacturer Part Number:Does Not Apply|Primary Reduction Ratio:3.722|Displacement:140cc|Clutch:Manual Clutch|Brand:Unbranded|Fuel Consumption:354g/kw.h|Type:Single cylinder, 4-stroke with air-cooled|Compression ratio:8.8:1|Gear Ratio:3.272/1.937/1.350/1.043|Rated Power:7.0 kW/8500r/min 1¡À5r/min|Bore*Stroke:56mm*57mm