Suzuki GSF650 Service Manual

1D-26 Engine Mechanical:
2) Remove the cylinder head gasket (1) and dowel
pins.
3) Remove the cam chain No.1 guide (2) and O-ring
(3).
Cylinder
1) Disconnect the water hose (1).
2) Remove the cylinder (2).
NOTE
If the cylinder does not come off easily,
lightly tap it using a plastic hammer.
3) Remove the cylinder gasket (3) and dowel pins.
Piston
1) Place a clean rag over the cylinder base so as not to
drop the piston pin circlips into the crankcase.
2) Remove each piston pin circlip (1).
3) Draw out each piston pin (2) and remove the pistons
(3).
NOTE
Scribe the cylinder number on the piston
head.
Engine Top Side Assembly
B817H21406017
Assemble the engine top side in the reverse order of
disassembly. Pay attention to the following points:
Piston
• When installing the piston pins, apply molybdenum oil
solution onto each piston pin.
M/O: Molybdenum oil (MOLYBDENUM OIL
SOLUTION)
1
I717H1140071-01
2
3
I717H1140072-01
1
2
I717H1140073-01
3
I717H1140074-01
1
2
3
I717H1140075-02

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