11-46
140-3 SERIES
STRUCTURE AND FUNCTION, MAINTENANCE STANDARD ROCKER ARM AND SHAFT
ROCKER ARM AND SHAFT
Unit: mm
No. Check item Criteria Remedy
1
Outside diameter of
rocker arm shaft
Standard size Tolerance
Replace rocker
arm shaft
32.0 ±0.0065
Inside diameter of
rocker arm bushing
32.0
+0.087
+0.035
Replace rocker
arm
Clearance between rocker arm
shaft and rocker arm bushing
Standard clearance Clearance limit Replace rocker
arm or rocker arm
shaft
0.0285 – 0.0935 0.13
2
Valve clearance
(When engine is cold)
Valve Standard size Tolerance
AdjustIntake 0.35 ±0.02
Exhaust 0.57 ±0.02
3
Tightening torque of rocker
arm adjustment screw locknut
Target (Nm {kgm}) Range (Nm {kgm})
Retighten
58.8 {6} 52.9 – 64.7 {5.4 – 6.6}
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