Suzuki GSF650 Service Manual

Engine Mechanical: 1D-71
2) Check the corresponding crank pin O.D. code
numbers ([1], [2] or [3]) “B”.
3) Measure the conrod crank pin O.D. with the special
tool. If any of the measurements are out of
specification, replace the crankshaft.
Crank pin O.D. specification
Special tool
(A): 09900–20202 (Micrometer (1/100 mm,
25 – 50 mm))
4) Select the specified bearings from the bearing
selection table.
CAUTION
!
The bearings should be replaced as a set.
Bearing selection table
Bearing thickness specification
Crankshaft Journal Bearing Inspection and
Selection
B817H21406040
Refer to “Engine Bottom Side Disassembly (Page 1D-
51)”.
Refer to “Engine Bottom Side Assembly (Page 1D-58)”.
Inspection
1) Inspect each upper and lower crankcase bearing for
any damage.
Code “B” O.D. specification
1
33.992 – 34.000 mm
(1.3383 – 1.3386 in)
2
33.984 – 33.992 mm
(1.3380 – 1.3383 in)
3
33.976 – 33.984 mm
(1.3376 – 1.3380 in)
“B”
I717H1140195-01
(A)
I717H1140196-01
Conrod
I.D. “A”
”
Code
1
2
1
Green
Black
2
Black
Brown
3
Brown
Yellow
Crank pin O.D. “B
I718H1140293-01
Color “C” (Part No.) Thickness
Green
(12164-26E01-0A0)
1.480 – 1.484 mm
(0.0583 – 0.0584 in)
Black
(12164-26E01-0B0)
1.484 – 1.488 mm
(0.0584 – 0.0586 in)
Brown
(12164-26E01-0C0)
1.488 – 1.492 mm
(0.0586 – 0.0587 in)
Yellow
(12164-26E01-0D0)
1.492 – 1.496 mm
(0.0587 – 0.0589 in)
“C”: Color code
“C”
I649G1140336-02
I717H1140197-01
I717H1140039-01

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