Suzuki GSF1200S 2001 User Manual

7-38 SERVICING INFORMATION
VALVE + GUIDE Unit: mm (in)
ITEM STANDARD LIMIT
Valve diameter
IN.
28.5
(1.12)
———
EX.
25
(1.0)
———
Valve clearance (when cold)
IN.
0.10 – 0.15
(0.004 – 0.006)
———
EX.
0.18 – 0.23
(0.007 – 0.009)
———
Valve-guide to valve-stem
IN.
0.020 – 0.047
clearance (0.0008 – 0.0019)
———
EX.
0.030 – 0.057
(0.0012 – 0.0022)
———
Valve stem deflection
IN. & EX.
0.35
———
(0.014)
Valve guide I.D.
IN. & EX.
5.000 – 5.012
(0.1969 – 0.1973)
———
Valve stem O.D.
IN.
4.965 – 4.980
(0.1955 – 0.1961)
———
EX.
4.945 – 4.960
(0.1947 – 0.1953)
———
Valve stem runout
IN. & EX.
0.05
———
(0.002)
Valve face thickness
IN. & EX.
0.5
———
(0.02)
Valve stem end length
IN. & EX.
2.5
———
(0.10)
Valve seat width
IN. & EX.
0.9 – 1.1
(0.035 – 0.043)
———
Valve head radial runout
IN. & EX.
0.03
———
(0.001)
Valve spring free length
INNER
35.0
(IN. & EX.)
———
(1.38)
OUTER
37.8
———
(1.49)
Valve spring tension 53 – 65 N, 5.3 – 6.5 kgf
(IN. & EX.) INNER (11.7 – 14.3 lbs) ———
at length 28 mm (1.10 in)
131 – 151 N, 13.1 – 15.1 kgf
OUTER (28.9 – 33.3 lbs) ———
at length 31.5 mm (1.24 in)
SERVICE DATA

Suzuki GSF1200S 2001 Specifications

General

Displacement	1157 cc
Compression Ratio	9.5:1
Ignition	Electronic ignition (Transistorized)
Transmission	5-speed
Final Drive	Chain
Front Suspension	Telescopic, coil spring, oil damped
Front Brakes	Dual disc
Rear Brakes	Single disc
Front Tire	120/70-ZR17
Rear Tire	180/55-ZR17
Seat Height	790 mm (31.1 inches)
Engine Type	4-stroke, 4-cylinder, DOHC
Cooling System	Air/oil-cooled
Rear Suspension	Swingarm, link type, coil spring, oil damped
Fuel Tank Capacity	20 liters
Bore x Stroke	79.0 mm x 59.0 mm