• S31
  • S31
  • S31
S31
S31
S31
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S31

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  • Product details
  • Model1P57MI
    Model TypeS31 (Motor Start) (Suitable for 10-inch Rear Wheels)
    TypeSingle-cylinder, Four-stroke, Water-cooled, Overhead Camshaft
    Maximum Power and Corresponding Speed9.9 kW/8000 r/min
    Rated Power and Rated Speed9kW/8000 r/min
    Maximum Torque and Corresponding Speed13 N·m/5500 r/min
    Minimum Fuel Consumption Rate220g/100kW
    Minimum No-load Stable Speed1800 r/min±100 r/min
    Cylinder Diameter57.3 mm
    Piston Stroke57.907 mm
    Cylinder Working Volume149.2 ml
    Compression Ratio11:01:00
    Intake MethodOHC Cam Chain Drive (Single-cylinder Water-cooled Four-stroke Two-valve)
    Ignition MethodECU Electronic Ignition
    Lubrication MethodCombined Pressure and Pressure Splash
    Clutch TypeDry Multi-plate (Automatic Centrifugal Shoe)
    Transmission Type and Gear RatioAutomatic Continuously Variable Transmission 2.4:1 - 0.80:1
    2-stage Reduction RatioFirst Stage 2.8; Second Stage 3.076
    Power Output MethodMotorcycle Variable-speed V-belt
    Starting MethodMotor Start
    Fuel Supply FormElectronic Fuel Injection System PGM-F1
    Spark Plug Model and TypeB8RTC
    Air Filter Model and TypePaper Filter Element
    Oil Pump TypeRotary
    Cooling Water Pump TypeCentrifugal
    Lubricant GradeCrankcase SF Grade SAE-10W/40
    Gearbox GL-4 Grade SAE85W/90
    Maximum Lubricant Temperature120°C
    External Dimensions (Length × Width × Height)690mm × 420mm × 300mm
    Net Mass31kg

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