Suzuki GSF1250 Service Manual

Engine Mechanical: 1D-61
Engine Mount Bushing
Remove the engine mount bushings (1) if necessary.
Engine Bottom Side Assembly
B718H11406025
Assemble the engine bottom side in the reverse order of
disassembly. Pay attention to the following points:
NOTE
Apply engine oil to each running and sliding
part before reassembling.
Oil Seal / Bearing
• Install the oil seals and bearings. Refer to
“Transmission Installation in Section 5B (Page 5B-5)”
and “Gearshift Shaft Oil Seal / Bearing Removal and
Installation in Section 5B (Page 5B-19)”.
Oil Gallery Plug
• Tighten each plug to the specified torque.
CAUTION
!
Use each new gasket.
Tightening torque
Oil gallery plug (M6 and M8) (a): 10 N·m (1.0 kgf-
m, 7.0 lb-ft)
Oil gallery plug (M12) (b): 15 N·m (1.5 kgf-m, 11.0
lb-ft)
Oil gallery plug (M16) (c): 35 N·m (3.5 kgf-m, 25.5
lb-ft)
Crankshaft Journal Bearing
• When fitting the crankshaft journal bearings to the
upper and lower crankcases, be sure to fix the stopper
part “A” first and press the other end.
CAUTION
!
Do not touch the bearing surfaces with your
hands. Grasp by the edge of the bearing
shell.
NOTE
Inspect and select the crankshaft journal
bearing if necessary. Refer to “Crankshaft
Journal Bearing Inspection and Selection
(Page 1D-78)”.
1
1
I718H1140199-02
(a)
(a)
(c)
I718H1140200-01
(a)
I718H1140201-01
(b)
I718H1140202-01
“A”
I718H1140203-01

Suzuki GSF1250 Specifications

General

Displacement	1255 cc
Bore x Stroke	79.0 mm x 64.0 mm
Compression Ratio	10.5:1
Fuel System	Fuel injection
Transmission	6-speed, constant mesh
Front Suspension	Telescopic, coil spring, oil damped
Rear Suspension	Link type, coil spring, oil damped
Front Brakes	Dual hydraulic disc
Rear Brakes	Single hydraulic disc
Front Tire	120/70ZR17M/C (58W), tubeless
Rear Tire	180/55ZR17M/C (73W), tubeless
Overall Length	2130 mm
Overall Width	790 mm
Seat Height	805 mm
Wheelbase	1485 mm
Fuel Tank Capacity	19.0 L
Starter	Electric
Final Drive	Chain
Ignition	Electronic ignition (transistorized)
Engine Type	4-stroke, liquid-cooled, DOHC
Ground Clearance	135 mm