LT-R450/ZK9 (’09-MODEL) 37
CAMSHAFT + CYLINDER HEAD Unit: mm (in)
CYLINDER + PISTON + PISTON RING Unit: mm (in)
ITEM STANDARD LIMIT
Cam height
IN.
32.890 – 32.930
(1.2949 – 1.2965)
32.590
(1.2831)
EX.
33.451 – 33.491
(1.3170 – 1.3185)
33.151
(1.3052)
Camshaft journal oil clearance
IN. & EX.
0.032 – 0.066
(0.0013 – 0.0026)
0.150
(0.0059)
Camshaft journal holder I.D.
IN. & EX.
22.012 – 22.025
(0.8666 – 0.8671)
—
Camshaft journal O.D.
IN. & EX.
21.959 – 21.980
(0.8645 – 0.8653)
—
Cam chain pin 15th pin —
Cylinder head distortion
—
0.05
(0.002)
ITEM STANDARD LIMIT
Compression pressure
(Automatic de-comp. actuated)
800 kPa
(8.0 kgf/cm
2
, 114 psi)
—
Piston to cylinder clearance 0.045 – 0.055
(0.0018 – 0.0022)
0.120
(0.0047)
Cylinder bore 95.500 – 95.515
(3.7598 – 3.7604)
Nicks or
Scratches
Piston diam. 95.450 – 95.465
(8.9437 – 3.7585)
Measure at 10 mm (0.4 in) from the skirt end.
95.380
(3.7551)
Cylinder distortion
—
0.05
(0.002)
Piston ring free end gap 1st Approx. 7.6 (0.30) —
2nd R Approx. 12.3 (0.48) —
Piston ring end gap
1st
0.08 – 0.20
(0.003 – 0.008)
0.50
(0.020)
2nd
0.08 – 0.20
(0.003 – 0.008)
0.50
(0.020)
Piston ring to groove clearance
1st —
0.180
(0.007)
2nd —
0.150
(0.006)
Piston ring groove width
1st
0.78 – 0.80
(0.0307 – 0.0315)
—
1.30 – 1.32
(0.0512 – 0.0520)
—
2nd
1.01 – 1.03
(0.0398 – 0.0406)
—
Oil
2.01 – 2.03
(0.0791 – 0.0799)
—
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