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SPEC
Item
Valve seat width C
Intake
Exhaust
Valve margin thickness D
Intake
Exhaust
Valve stem diameter
Intake
Exhaust
Valve guide inside diameter
Intake
Exhaust
Valve-stem-to-valve-guide
clearance
Intake
Exhaust
Valve stem runout
Valve spring
Free length
Intake
Exhaust
Installed length
Intake
Exhaust
Spring limit
Intake
Exhaust
Piston
Piston-to-cylinder clearance
Piston diameter
Measuring point H*
Wear limit
Piston pin boss inside diameter
Piston pins
Outside diameter
Wear limit
MAINTENANCE SPECIFICATIONS
Unit
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
Degree/mm (in)
Degree/mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
FX160
0.9– 1.1 (0.0354– 0.0433)
0.9– 1.1 (0.0354– 0.0433)
0.5– 0.9 (0.0197– 0.0354)
0.5– 0.9 (0.0197– 0.0354)
3.975– 3.990 (0.1565– 0.1571)
4.465– 4.480 (0.1758– 0.1764)
4.000– 4.012 (0.1575– 0.1580)
4.500– 4.512 (0.1772– 0.1776)
0.010– 0.037 (0.0004– 0.0015)
0.020– 0.047 (0.0008– 0.0019)
2.5/1.7 (0.067)
2.5/1.8 (0.071)
0.10– 0.11 (0.0039– 0.0043)
75.895– 75.910 (2.9880– 2.9886)
17.002– 17.013 (0.6693– 0.6698)
16.991– 17.000 (0.6689– 0.6693)
2-4
Model
FX160 Cruiser
0.01 (0.0004)
38.90 (1.53)
40.67 (1.60)
34.50 (1.36)
35.00 (1.38)
5 (0.2)
0.17 (0.0067)
16.98 (0.67)
E
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