48
T
ECHNICAL SPECIFICATIONS
,
LIQUID
-
COOLED
4-
STROKE
,
4-
VALVE
,
500
C
.
C
.
ENGINE
ENGINE
Type: Single cylinder 4-stroke
Bore: 92 mm
Stroke: 69 mm
Cubic capacity: 460 c.c.
Compression ratio: 10.5 : 1
Valve train: Single overhead camshaft, chain-driven from the alternator side,
integrated camshaft sensor (tone wheel), 4 valves and automatic
valve lifter for starting
Valve clearances: Inlet : 0.15 mm
Exhaust: 0.15 mm
Valve adjustment Tappet adjusters on rocker arms
Idling speed:
1450 ± 50 rpm
CO2 value (%): 1.2 – max 1.5
Starter: Electric starter motor
Lubrication: Trochoidal oil pump in crankcase, oil filter, bypass regulates oil
pressure
Oil pressure: 4 bar
Lowest permissible oil pressure
(at 100° C)
0.8 bar
Carburation: Electronic fuel injection, electrical fuel pump,
∅
individual fuel injectors
Max. power
(at crankshaft)
29 kW (40 bhp) at 7,250 rpm
Max. torque / rpm 40 Nm at 5,500 rpm
Cooling system Liquid cooled engine, crankshaft driven water pump, 3-way
thermostat and fan
Power train CVT automatic gearbox with conical pulleys, belt drive, automatic
clutch, reduction gear unit, fan in drive housing
Ignition Inductive ignition system integrated into fuel injection system,
variable ignition timing and separate ignition coil
Ignition timing Variable, FI-controlled
Spark plug CHAMPION RG 6 YC, NGK CR 7 EKB
Engine oil SAE 5W/40 oil, must exceed API SY
Oil capacity:
∼ 1.7 ltrs.
Cooling system, capacity:
∼ 2.0 ltrs.
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