Benelli TNT125 Service Manual

Carbon Brush Inspection
●Measure the length [A] of each carbon brush [B]
★If any carbon brush has reached the use limit, replace
the carbon brush plate assembly
Length of Starter Motor Carbon Brush
Standard: 11.5 mm
Use limit: 6.0mm
Commutator Cleaning and Inspection
●If necessary, polish the surface [A] of commutator
with a crocus cloth [B] and clear the groove
●Measure the diameter [A] of commutator [B]
★If the diameter of commutator is shorter than the use
limit, replace the starter motor with a new one
Commutator Diameter
Standard: 22.3mm
Use limit: 21mm
★If the resistance between two commutators is higher
or there is no reading, the coil is open-circuit and the
starter motor must be replaced.
●Measure the resistance between commutator and shaft
[B] with a multimeter
★If the reading is 0, the armature is short-circuited and
the starter motor must be replaced
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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