Technical data:
Type: Single cylinder, water-cooled, four-stroke, manual clutch
Bore×Stroke: 70×65 mm
Total displacement: 250.0ml
Compression ratio: 9.5:1
Maximum net power/corresponding speed: 12.8 kW/7000 r/min±475 r/min
Rated power/corresponding speed: 12 kW/7000 r/min±450 r/min
Maximum torque/corresponding speed: 19.5 N·m/5500 r/min±375 r/min
Minimum no-load stable speed (idling speed): 1500 r/min
Lowest fuel consumption rate: ≤354g/kW•h
Limit value of exhaust pollutants measured by idle speed method:
idle speed CO≤2.0%, HC≤250×10-6
High idle speed CO≤2.0%, HC≤250×10-6
Ignition method and spark plug model: D8TC
Ignition advance angle: 10°±2°/1500r/min
Inlet/exhaust valve open. BTDC (before top dead center)/BBDC (before bottom dead center): 10°/40°
The intake/exhaust valve is closed. ABDC (after bottom dead center)/ATDC (after top dead center): 40°/10°
Valve clearance (in cold state): 0.02-0.04mm
Clutch type: wet multi-disc
Transmission type: Left foot shift, five-speed constant meshing type
Primary reduction ratio: 4.055
Gear ratio: 2.909/1.867/1.380/1.150/0. 950
Fuel grade: RQ-93 and above
Carburetor model: PZ30
Lubricant brand: SAE15W/40-SF
Lubricating oil capacity: 1100ml
Spark plug gap: 0.6mm~0.7mm
Lubrication method and type of lubricating oil pump: pressure splash lubrication, inner and outer rotor type
Engine dimensions: 354×345×437mm
Package dimensions: 440×395×515mm
Net quality: 33kg
Starting mode: foot start/electric start