Specification Desc./Quantity
Cubic capacity 493 cm³
Bore x Stroke 94 x 71 mm
Compression ratio 10.5 ± 0.5: 1
Engine idle speed 1,500 ± 100 rpm
Timing system Four valves, single overhead camshaft, chain-driven.
Valve clearance Inlet: 0.15 mm
Outlet: 0.15 mm
Max. power 30 kW at 7250 rpm
MAX. torque 46 Nm at 5250 rpm
Transmission CVT expandable pulley variator with torque server, V-belt, self-
ventilating dry automatic centrifugal clutch and transmission
housing with forced-circulation air cooling.
Final reduction gear Gear reduction unit in oil bath.
Lubrication Engine lubrication with lobe pump (inside crankcase), chain-
driven, with double filter: mesh and paper.
Cooling Forced coolant circulation system.
Starter Electric
Ignition Highly efficient electronic inductive ignition, integrated with the
injection system, with variable advance, separate HV coil and
double spark plug.
Ignition advance Three-dimensional map managed by control unit
Spark plug NGK CR7EKB
Electrode gap 0.7 ÷ 0.9 mm
Fuel system Electronic injection with electric fuel pump.
Fuel Unleaded petrol (95 RON)
Exhaust silencer Absorption-type exhaust muffler with catalytic converter and
lambda probe.
Emissions compliance EURO 3
Capacities
CAPACITY
Specification
Desc./Quantity
Engine oil 1.7 l
Transmission oil 250 cm³
Cooling system fluid 1.75 l
Fuel tank 15.5 litres (2 l of which is reserve)
Tightening Torques
SWINGING ARM
Name
Torque in Nm
Frame side pin adjustment ring nut 88.5 ÷ 108
Self locking nut fastening pin chassis side 50 to 55
Retainer nut of silent block support bracket on bushing 98 ÷ 117
Lower pin bushing 5 - 7
Self locking nut pin fastening engine side 40 to 45
Self locking nut of fixing silent block support bracket 67 - 75
Rod fixing nut 40 to 45
Rod pin fixing nut 40 to 45
STEERING
Name
Torque in Nm
Handlebar fixing screw 50 to 55
Fixing screws for the handlebar control unit U-bolts 7 ÷ 10
Steering tube upper ring nut 40 to 45
Steering tube lower ring nut 14 - 17
Throttle grip cables right control fastener screw 3 ÷ 4
Hand grip counterweight retainer screw 9 - 11
Mirrors fastening long nut 24 - 26
MSS X10 500ie Executive Characteristics
CHAR - 9
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