Benelli TRK 502 Service Station Manual

ELE. - 48
Thesystemissituatedinsidetheairltercase,containsavalve
forcheckingairowunderneaththethrottledbodythrottlesand
is equipped with a stepper motor.
The system controls the following parameters:
• Idle speed
• Air supply in case of engine overspeed
• Adjustment of air/fuel ratio by working at idle speed at
altitudes above sea level.
• Adjustment of air/fuel ratio in cold/hot setting-off.
When the stepper motor is activated, it opens the valve that
controlstheairowandallowsacertainairowtorunoffalong
a series of hoses in the throttled body unit.
Operating voltage 12V DC
Minimum /maximum operat-
ing voltage
14V DC/ 7.5V
DC
Impedance per coil (27°C) 53±5.3Ω
Minimum impedance
35Ω
Distance 0.04167 mm
Maximum travel
8.5 mm (204
steps)
Resonant frequency range 70-120 pps
A
ACTUATORS
IDLE AIR CONTROL SYSTEM (STEPPER)
B
C
D
COPY - Moto GB - Grant Martland - grantmartland@motogb.co.uk

Benelli TRK 502 Specifications

General

Displacement	500 cc
Transmission	6-speed
Fuel Tank Capacity	20 liters
Seat Height	800 mm
Wet Weight	235 kg
Bore x Stroke	69 mm x 66.8 mm
Compression Ratio	11.5:1
Clutch	Wet multi-plate
Frame	Steel trellis
Wheelbase	1505 mm
Ground Clearance	190 mm
Max Power	47.6 hp (35 kW) @ 8500 rpm
Max Torque	46 Nm @ 6000 rpm
Front Suspension	50 mm upside-down fork
Front Brake	Double floating discs, 320mm, 4-piston calipers
Rear Brake	Single 260 mm disc
Fuel System	Electronic Fuel Injection (EFI)
ABS	Dual-channel ABS
Front Tire	120/70 R17
Rear Tire	160/60 R17
Engine Type	Liquid-cooled, four-stroke, parallel twin cylinder, DOHC, 4 valves per cylinder