Suzuki GSX-R750, Service Manual, Page: 425 / 495

GSX-R750K1 (’01-MODEL) 10-3
SERVICE DATA
VALVE + GUIDE
Unit: mm (in)
ITEM STD/SPEC. LIMIT
Valve diam.
IN.
29
(1.14)
———
EX.
24
(0.94)
———
Valve clearance (when cold)
IN.
0.10 – 0.20
(0.004 – 0.008)
———
EX.
0.20 – 0.30
(0.008 – 0.012)
———
Valve guide to valve stem
IN.
0.010 – 0.037
clearance (0.0004 – 0.0015)
———
EX.
0.030 – 0.057
(0.0012 – 0.0022)
———
Valve guide I.D.
IN. & EX.
4.000 – 4.012
(0.1575 – 0.1580)
———
Valve stem O.D.
IN.
3.975 – 3.990
(0.1565 – 0.1571)
———
EX.
3.955 – 3.970
(0.1557 – 0.1563)
———
Valve stem deflection
IN. & EX.
0.35
———
(0.014)
Valve stem runout
IN. & EX.
0.05
———
(0.002)
Valve head thickness
IN. & EX.
0.5
———
(0.02)
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
IN. & EX.
39.3 37.8
(1.54) (1.49)
Valve spring tension
IN. & EX.
19.0 kgf (41.9 lbs)
at length 32.85 mm (1.29 in)
———
CA CYLINDER HEAD
Unit: mm (in)
ITEM STD/SPEC. LIMIT
Cam height
IN.
36.69 – 36.73 36.39
(1.444 – 1.446) (1.433)
EX.
35.28 – 35.32 34.98
(1.389 – 1.391) (1.417)
Camshaft journal oil clearance
IN. & EX.
0.032 – 0.066 0.150
(0.0013 – 0.0026) (0.0059)
Camshaft journal holder I.D.
IN. & EX.
24.012 – 24.025
(0.9454 – 0.9459)
———