Technical data:
Type: single cylinder, air-cooled, four-stroke, manual clutch, balance shaft
Bore×Stroke: 57.3×57.8 mm
Total displacement: 149.2mL
Compression ratio: 9.1:1
Maximum net power/corresponding speed: 7.8kW/7000 rpm
Maximum torque/corresponding speed: 11.5N·m/5500rpm
Minimum no-load stable speed (idling speed): 1400±100 r/min
The lowest fuel consumption rate: ≤ 354g / (kW•h)
Limit value of exhaust pollutants measured by idle speed method:
CO≤2.0%, HC≤250×10-6
Ignition method: CDI
Static ignition timing: 8°±1.5°
Inlet/exhaust valve open. BTDC (before top dead center)/BBDC (before bottom dead center): 31°/52°
Inlet/exhaust valve is closed. ABDC (after bottom dead center)/ATDC (after top dead center): 36°/34°
Valve clearance (in cold state): intake 0.08mm, exhaust 0.12mm
Clutch type: wet multi-disc
Transmission type: left-foot shift, five-speed constant meshing type
Primary reduction ratio: 3.350
Gear ratio: 3.077/1.790/1.304/1.091/0.938
Final reduction ratio: Suggestion: 42/15=2.8
Fuel brand: RQ-92
Carburetor model: CPZ20
Lubricant brand: SAE15W/40-SE four-stroke gasoline engine oil
Total oil capacity: 1200ml
Spark plug model: CPR8EA (NGK)
Spark plug gap: 0.8mm~0.9mm
Lubrication method and type of lubricating oil pump:
pressure splash lubrication, inner and outer rotor type
Air filter type: foam filter element type
Engine dimensions: 370×320×433
Package dimensions: 435×410×530mm
Net quality: 30kg
Starting method: electric start