Benelli TNT125 Service Manual

Fuel injector
Working Principle of Fuel Injector
Injector is an actuator. It can inject appropriate fuel into
the intake of engine through ECU and then suck it into
combustion chamber and then mix it with the oxygen in
the fresh air filled for combustion.
Only replace it with the fuel injector with the same
part number.
Appearance of Fuel Injector
The following figure shows the appearance of fuel
injector.
Various sensors
Crankshaft position
sensor
Air flow meter
Water temperature
sensor
Throttle position sensor
Ignition switch
Oxygen sensor
Vehicle speed s
ensor
Storage battery voltage
Additional resistor
Micro
comp
uter
Fuel injector
Connect the
O
-ring seal of oil
rail or oil
injection cap
Connect the O-ring
seal at intake pipe
end
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Benelli TNT125 Specifications

General

Displacement	125 cc
Transmission	5-speed
Fuel System	EFI
Fuel Capacity	7.2 liters
Seat Height	780 mm
Dry Weight	116 kg
Bore x Stroke	54 mm x 54.5 mm
Starting System	Electric
Wheelbase	1215 mm
Engine Type	Single cylinder, 4-stroke, air-cooled
Front Suspension	Upside-down fork
Front Brake	Single disc
Rear Brake	Single disc
Front Tire	120/70-12
Rear Tire	130/70-12
Max Power	8.2 kW (11.1 Cv) @ 9500 rpm
Rear Suspension	Swing arm with lateral shock absorber with adjustable spring preload