Suzuki GSF650 Service Manual

1D-58 Engine Mechanical:
Engine Bottom Side Assembly
B817H21406036
Assembly the engine bottom side in the reverse 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)”.
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 lbf-ft)
Oil gallery plug (M12) (b): 15 N·m (1.5 kgf-m, 11.0
lbf-ft)
Oil gallery plug (M16) (c): 35 N·m (3.5 kgf-m, 25.5
lbf-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-71)”.
(a)
(a)
(c)
I717H1140156-01
(a)
I717H1140157-01
(b)
I718H1140202-01
“A”
I718H1140203-01

Suzuki GSF650 Specifications

General

Displacement	656 cc
Bore x Stroke	65.5 mm x 48.7 mm
Compression Ratio	11.5:1
Fuel System	Fuel injection
Ignition	Electronic ignition (transistorized)
Starter	Electric
Transmission	6-speed, constant mesh
Final Drive	Chain
Front Suspension	Telescopic, coil spring, oil damped
Rear Suspension	Link type, coil spring, oil damped
Front Tire	120/70ZR17M/C (58W), tubeless
Rear Tire	160/60ZR17M/C (69W), tubeless
Overall Length	2, 130 mm
Rear Brakes	Disc brake
Fuel Tank Capacity	19.0 L
Wheelbase	1, 470 mm
Seat Height	790 mm
Ground Clearance	135 mm
Engine Type	4-stroke, liquid-cooled, DOHC, 4-cylinder