125cc 4-Stroke Engine

125cc 4-Stroke Motorcycle Whole Engine

Model: 1P52FMI Engine

Type: Single cylinder, 4-stroke, ait-cooled, automatic double clutching

Bore x stroke length: 52.4 x 55.5 mm

Displacement: 119.7 ml

Compress ratio: 9.0:1

Max power/rpm: 6.5 kw/7500rpm+/-375rpm

Standard power/rpm: 5.6 kw/7500rpm

Max torque/rpm: 8.0Nm/5000rpm+/-250rpm

Idle rpm: 1500rpm+/-100rpm

Min gas usage: <= 367 g/km x hr

Starting performance: <=15s

Idle pollution: CO<=4.0%, HC<=1000ppm

Start method and plug: CDI, A7TC

Ignition advance angle: 15 degree +/- 1 degree/1500rpm

BTDC/BBDC: 20/48 degree

ABDC/ATDC: 48/20 degree

Valve space: 0.05 mm

Clutch type: Wet multi-plate, centrifuge horse shoe type

Transmission type: Left-foot way, 4-gear

Primary gear ratio: 4.059

Gear ratio: 2.833/1.706/1.238/0.958

Gas: RQ-90

Engine oil: 15W/40-SE 4-stroke engine oil

Caruretor model: PZ20

Lubricant oil amount: 900 ml

Lubrication method: hydrodynamic

Air filter: Foam air filter

Overall dimension: 470 x 275 x 280 mm

Net weight: 23 kg

Starting method: Kick start