Benelli TNT125 Service Manual

Fault Diagnosis
Compression pressure is low
●Wear, burning loss or damage of piston
●Wear or damage of cylinder and piston
●Damage of gasket and leakage between crankcase and gas
Compression pressure is high
●Too many carbon deposition in the combustion chamber
Exhaust pipe is emitting white smoke
●Wear and damage of piston ring
●Wear or damage of piston and cylinder
The sound of piston is abnormal
●Damage of cylinder, piston and piston ring
●Wear of piston pin hole and piston pin
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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