Benelli TNT125 Service Manual

Crankcase
Disassembling Crankcase
●Steps for opening crankcase:
○Components of right crankcase①
a. Remove assembling bolt of crankcase
Note:
For the crankcase assembling bolt marked as
shown in the figure,
first loosen 1/4 of the
engagement le
ngth and then completely loosen
assembling bolt later in the staggered mode;
○Components of left crankcase②
b. Open the components of right crankcase
Note:
Insert a screwdriver to the disassembling point
in the box, and then carefully open the upp
er and
lower boxes;
Tap the side of box using a soft hammer, only
tap the reinforced part of box but not the processing
surface of box, tap it carefully and slowly, to ensure
that the upper and lower boxes are evenly separated;
c．Remove the dowel pin;
Checking Crankcase
Note:
1. Clean the disassembled crankcase parts with
detergent;
2. Clean the disassembling surface of crankcase and
the joint surface of left and right covers;
3. The crankcase is a thin-
walled casting. Heavy
impact should be a
voided during the operation to
prevent deformation or breakage.
4. Before operation, the lubricant in the crankcase
should be released.
Inspection item
- 237 -

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