Suzuki 2005 GSF1200 User Manual

Engine Mechanical: 1D-35
Valve spring free length (IN & EX)
Service limit: INNER: 35.0 mm (1.38 in)
Service limit: OUTER: 37.8 mm (1.49 in)
Valve spring tension (IN & EX)
Standard: INNER: 53 – 65 N, 5.3 – 6.5 kgf/28.0 mm
(11.7 – 14.3 lbs/1.10 in)
Standard: OUTER: 131 – 151 N, 13.1 – 15.1 kgf/31.5
mm (28.9 – 33.3 lbs/1.24 in)
Rocker Arm Shaft Outside Diameter
On the sliding surface, take two measurements, at right
angle to each other. If the outside diameter measured is
less than the standard value, replace the shaft.
Rocker arm shaft O.D.
Standard: 11.973 – 11.984 mm (0.4714 – 0.4718 in)
Special tool
(A): 09900–20205 (Micrometer (0-25mm))
Rocker Arm Inside Diameter
Measure the rocker arm inside diameter in two directions
at right angle to each other. If the inside diameter
measured exceeds the standard value, replace the
rocker arm.
Rocker arm I.D.
Standard: 12.000 – 12.018 mm (0.4724 – 0.4731 in)
Special tool
(A): 09900–20605 (Dial calipers (1/100 mm, 10 -
34 mm))
Valve Seat Width
1) Visually check for valve seat width on each valve
face. If the valve face has worn abnormally, replace
the valve.
2) Coat the valve seat with a red lead (Prussian Blue)
and set the valve in place.
3) Rotate the valve with light pressure.
Tension “a” Length “b”
Inner
spring
53 – 65 N
(5.3 – 6.5 kgf, 11.7 – 14.3 lbs)
28.0 mm
(1.10 in)
Outer
spring
131 – 151 N
(13.1 – 15.1 kgf, 28.9 – 33.3 lbs)
31.5 mm
(1.24 in)
(A)
I649G1140237-02
“a”
“b”
I649G1140238-02
(A)
I649G1140239-02
(A)
I649G1140240-02

Suzuki 2005 GSF1200 Specifications

General

Displacement	1157 cc
Bore x Stroke	79.0 mm x 59.0 mm
Compression Ratio	9.5:1
Ignition	Electronic ignition (transistorized)
Lubrication	Wet sump
Transmission	6-speed constant mesh
Final Drive	Chain
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
Seat Height	790 mm (31.1 in)
Ground Clearance	135 mm (5.3 in)
Engine Type	4-stroke, 4-cylinder, DOHC
Front Tire	120/70 ZR17
Rear Tire	180/55 ZR17
Fuel Tank Capacity	20.0 L (5.3 US gal)
Overall Length	2, 140 mm (84.3 in)
Overall Width	790 mm (31.1 inches)