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YX W125 - Type: 4-stroke, air-cool, single cylinder, horizontal  

Bore × stroke: 52.4×57

Total Displacement: 124ml - Compression Ratio: 8.8: 1

Max.Net Power/rpm: 5KW/8000±500r/min 

Max. torque/rpm: 8.8N.m/5000±500r/min 

Min. Fuel Consumption: ≤ 367g/KW.h 

Ignition advance angle: BTDC 15º±2º

Valve clearance: 0.05±0.02mm

Fuel Grade: 90# GB484-89 

Engine Oil Grade: SE: 15W/50 

Engine Oil Consumption Rate : ≤ 8g/KW.h 

Transmission Ratio: Primary: 3.722(18/67) 1gear: 3.272(11/36) 2gear: 1.937(16/31), 3gear: 1.350(20/27) 4gear: 1.043(23/24) 

Type of Spark plug: C7HSA

Gap of Spark plug: 0.6-0.7  

Ignition: C.D.I 

Clutch: multi-plate oil bath, Manual

Air Filter: Recommended Foam

Lubrication: pressure and splash

Engine Oil Capacity: 1.0L 

Starting: kick


YX125 4gear

SKU: 125255
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