Suzuki LT-Z50 - Page 208

SERVICING INFORMATION 7-27
CAMSHAFT + CYLINDER HEAD Unit: mm (in)
CYLINDER + PISTON + PISTON RING Unit: mm (in)
ITEM STANDARD LIMIT
Cam height
IN. & EX.
28.43 – 28.63
(1.119 – 1.127)
28.13
(1.107)
Rocker arm I.D.
IN. & EX.
4.015 – 4.027
(0.1581 – 0.1585)
----
Rocker arm shaft O.D.
IN. & EX.
3.990 – 4.005
(0.1571 – 0.1577)
----
Cylinder head distortion
----
0.05
(0.002)
ITEM STANDARD LIMIT
Compression pressure
1 100 – 1 200 kPa
(11 – 12 kgf/cm², 156 – 171 psi)
800 kPa
(8 kgf/cm²,
114 psi)
Piston-to-cylinder clearance 0.015 – 0.038
(0.0006 – 0.0015)
0.120
(0.0047)
Cylinder bore 36.005 – 36.015
(1.4175 – 1.4179)
Nicks or
Scratches
Piston diam. 35.977 – 35.990
(1.4164 – 1.4169)
Measure at 5 mm (0.2 in) from the skirt end.
35.885
(1.4128)
Cylinder distortion
----
0.05
(0.002)
Piston ring free end gap
1st O Approx. 4.6 (0.18)
3.7
(0.15)
2nd R Approx. 4.6 (0.18)
3.7
(0.15)
Piston ring end gap
1st O
0.08 – 0.20
(0.003 – 0.008)
0.50
(0.020)
2nd R
0.08 – 0.20
(0.003 – 0.008)
0.50
(0.020)
Piston ring to groove clearance
1st ----
0.180
(0.0071)
2nd ----
0.150
(0.0059)
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