wsm ME8200, Workshop Manual

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1-S51
ME8200, ME9000, WSM ENGINE
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.
W1035418
Oil Clearance between Tappet and Tappet Guide Bore
1. Measure the tappet O.D. with an outside micrometer.
2. Measure the I.D. of the tappet guide bore with a cylinder gauge,
and calculate the oil clearance.
3. If the oil clearance exceeds the allowable limit or the tappet is
damaged, replace the tappet.
W1035603
Oil clearance of rocker
arm shaft and bearing
Factory spec.
0.016 to 0.045 mm
0.00063 to 0.00177 in.
Allowable limit
0.15 mm
0.0059 in.
Rocker arm shaft O.D. Factory spec.
15.973 to 15.984 mm
0.6289 to 0.6293 in.
Rocker arm I.D. for shaft Factory spec.
16.000 to 16.018 mm
0.6299 to 0.6306 in.
Oil clearance between
tappet and tappet guide
bore
Factory spec.
0.020 to 0.062 mm
0.0008 to 0.0024 in.
Allowable limit
0.07 mm
0.0028 in.
Tappet O.D. Factory spec.
23.959 to 23.980 mm
0.9433 to 0.9411 in.
Tappet guide bore I.D. Factory spec.
24.000 to 24.021 mm
0.9449 to 0.9457 in.
KiSC issued 03, 2007 A