ENGINE
M6040, M7040, WSM
1-S65
Valve Spring Setting Load
1. Place the valve spring on a tester and compress it to the same
length it is actually compressed in the engine.
2. Read the compression load on the gauge.
3. If the measurement is less than the allowable limit, replace it.
9Y1210143ENS0095US0
Oil Clearance between Rocker Arm Shaft and Bearing
1. Measure the rocker arm bearing I.D. with an inside micrometer.
2. Measure the rocker arm shaft O.D. with an outside micrometer,
and then calculate the oil clearance.
3. If the clearance exceeds the allowable limit, replace the rocker
arm and measure the oil clearance again. If it still exceeds the
allowable limit, replace also the rocker arm shaft.
9Y1210143ENS0096US0
Oil Clearance between Bridge Arm and Bridge Arm Shaft
1. Measure the bridge arm (1) I.D. with an inside micrometer.
2. Measure the bridge arm shaft O.D. with an outside micrometer,
and then calculate the oil clearance.
3. If the clearance exceeds the allowable limit, replace the bridge
arm (1) and measure the oil clearance again. If it still exceeds
the allowable limit, replace also the bridge arm shaft.
9Y1210143ENS0097US0
Setting load / setting
length
Factory specification
63.5 N / 31.5 mm
6.48 kgf / 31.5 mm
14.3 lbf / 1.24 in.
Allowable limit
45.9 N / 31.5 mm
4.68 kgf / 31.5 mm
10.3 lbf / 1.24 in.
Oil clearance of rocker
arm shaft and bearing
Factory specification
0.016 to 0.045 mm
0.0006 to 0.0018 in.
Allowable limit
0.15 mm
0.0059 in.
Rocker arm shaft O.D. Factory specification
14.973 to 14.984 mm
0.5895 to 0.5899 in.
Rocker arm I.D. for shaft Factory specification
15.000 to 15.018 mm
0.5906 to 0.5913 in.
Oil clearance between
bridge arm and bridge
arm shaft
Factory specification
0.018 to 0.042 mm
0.0007 to 0.0017 in.
Allowable limit
0.15 mm
0.0059 in.
Bridge arm shaft O.D. Factory specification
9.023 to 9.032 mm
0.3552 to 0.3556 in.
Bridge arm I.D. Factory specification
9.050 to 9.065 mm
0.3563 to 0.3569 in.
(1) Bridge Arm
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