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- 119 -

Fuel Leakage Check Process: .................................................................................................... - 152 -

Notes for Use: .................................................................................................................................... - 152 -

Throttle Body ............................................................................................................................................. - 154 -

Working Principle of Throttle Body: ................................................................................................. - 154 -

Appearance of Throttle Body: ........................................................................................................... - 154 -

Technical Parameters ......................................................................................................................... - 154 -

Throttle Body: ............................................................................................................................ - 154 -

Throttle Position Sensor: ........................................................................................................... - 155 -

Air Control Valve of Idle Speed: ............................................................................................... - 155 -

Working Environment of Throttle...................................................................................................... - 155 -

Disassembly of Throttle ..................................................................................................................... - 155 -

Cleaning Method of Throttle ............................................................................................................. - 155 -

Installation of Throttle ....................................................................................................................... - 155 -

Precautions for Installation of Throttle .............................................................................................. - 155 -

Notes for Use of Throttle ................................................................................................................... - 156 -

Idle speed stepper motor .................................................................................................................... - 156 -

Working Principle of Idle speed stepper motor.......................................................................... - 156 -

Appearance of Idle speed stepper motor .................................................................................... - 156 -

Definition of pin ........................................................................................................................ - 157 -

Characteristic parameter: ........................................................................................................... - 157 -

Fault determination of idle speed stepper motor:....................................................................... - 157 -

Circuit inspection of idle speed stepper motor: ......................................................................... - 158 -

Cleaning ..................................................................................................................................... - 158 -

Resetting of idle speed stepper motor ........................................................................................ - 158 -

Fuel injector ....................................................................................................................................... - 159 -

Working Principle of Fuel Injector .................................................................................................... - 159 -

Appearance of Fuel Injector .............................................................................................................. - 159 -

Sealing Ring of Fuel Injector ............................................................................................................. - 160 -

O-ring Seal Connected to Oil Rail or Oil Injection Cap ............................................................ - 160 -

O-ring Seal Connected to Intake Pipe End ................................................................................ - 160 -

Recommended Lubricant ........................................................................................................... - 160 -

Overvoltage Impact of Fuel Injector .................................................................................................. - 160 -

Temperature Range of Fuel Injector: ................................................................................................. - 161 -

Fuel Contaminants of Fuel Injector ................................................................................................... - 161 -

Fuel Injector Harness Arrangement ................................................................................................... - 161 -

Notes for Use of Fuel Injector ........................................................................................................... - 161 -

Requirements for Installation of Fuel Injector ................................................................................... - 162 -

Replacement Method of Fuel Injector ............................................................................................... - 163 -

Fuel Injector Replaceability ............................................................................................................... - 164 -

Blocking of Fuel Injector ................................................................................................................... - 164 -

General Failure Mode and Prevention and Solving Measures in Using Process ............................... - 165 -

Intake Pressure Sensor ............................................................................................................................... - 166 -

Working Principle of Intake Pressure Sensor .................................................................................... - 166 -

Appearance of Intake Pressure Sensor ............................................................................................... - 166 -

Working Environment ........................................................................................................................ - 166 -

Storage Environment ......................................................................................................................... - 166 -

Electric environment .......................................................................................................................... - 166 -

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

Benelli TNT125 Service Manual

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Benelli TNT125 Specifications

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