Suzuki GSX-R750, Service Manual

Page: 476 / 495

GSX-R750K2 (’02-MODEL) 11-37
ITEM STD/SPEC. LIMIT
Camshaft journal O.D.
IN. & EX.
23.959 – 23.980
(0.9433 – 0.9441)
———
Camshaft runout 0.10
———
(0.004)
Cam chain pin (at arrow “3”) 14th pin ———
Cylinder head distortion 0.20
———
(0.008)
CY PISTON RING
Unit: mm (in)
ITEM STD/SPEC. LIMIT
Compression pressure 1 100 – 1 500 kPa 900 kPa
( 11 – 15 kgf/cm 2 ) ( 9 kgf/cm 2 )
156 – 213 psi 128 psi
Compression pressure 200 kPa
difference ———
(
2 kgf/cm
2 )
28 psi
Piston to cylinder clearance 0.030 – 0.040 0.120
(0.0011 – 0.0015) (0.0047)
Cylinder bore 72.000 – 72.015 Nicks or
(2.8346 – 2.8352) Scratches
Piston diam. 71.965 – 71.980
71.880
(2.8332 – 2.8339)
(2.8230)
Measure at 15 mm (0.6 in) from the skirt end.
Cylinder distortion 0.20
———
(0.008)
Piston ring free end gap
1st R Approx.
7.0 5.6
(0.28) (0.22)
2nd RN Approx.
7.8 6.2
(0.30) (0.24)
Piston ring end gap
1st R
0.06 – 0.18 0.50
(0.003 – 0.008) (0.020)
2nd RN
0.06 – 0.18 0.50
(0.003 – 0.008) (0.020)
Piston ring to groove clearance
1st
0.180
———
(0.0071)
2nd
0.150
———
(0.0059)
Piston ring groove width
1st
1.01 – 1.03
(0.0398 – 0.0406)
———
2nd
0.81 – 0.83
(0.0319 – 0.0327)
———
Oil
1.51 – 1.53
(0.0594 – 0.0602)
———
Piston ring thickness
1st
0.97 – 0.99
(0.0382 – 0.0390)
———
2nd
0.77 – 0.79
(0.0303 – 0.0311)
———
Piston pin bore 15.002 – 15.008 15.030
(0.5906 – 0.5909) (0.5917)
Piston pin O.D. 14.995 – 15.000 14.980
(0.5903 – 0.5906) (0.5898)