Engine
TECHNICAL DATA
Specification
Desc./Quantity
Type Single-cylinder, 4-stroke
Timing system 4 valves, single overhead camshaft, chain-driven.
Cubic capacity 124 cm³
Bore x stroke 57 x 48.6 mm
Compression ratio 12 ± 0.5: 1
Carburettor KEIHIN CVK 29
ignition advance (before TDC) 10° at 2000 rpm
Valve clearance intake: 0.10 mm discharge: 0.15 mm
Spark plug CHAMPION RG4HC
Alternative spark plug NGK CR8EB
Idle speed 1650 ± 100 rpm
Max. power 11 kW at 10,000 rpm
Max. torque 12 Nm at 8000 rpm
Maximum speed 105 km/h
Transmission
TRANSMISSIONS
Specification
Desc./Quantity
Transmission With automatic expandable pulley variator, V belt, automatic
clutch, gear reduction unit and transmission housing with
forced-circulation air cooling.
X9 Evolution 125 Characteristics
CHAR - 9