ENGINE
M6060, M7060, WSM
1-S4
2. SERVICING SPECIFICATIONS
ENGINE BODY
Item Factory Specification Allowable Limit
Compression Pressure 3.92 MPa /
250 min
-1
(rpm)
40.0 kgf/cm
2
/
250 min
-1
(rpm)
569 psi /
250 min
-1
(rpm)
2.90 MPa /
250 min
-1
(rpm)
29.6 kgf/cm
2
/
250 min
-1
(rpm)
421 psi /
250 min
-1
(rpm)
Variance Among Cylinders – 10 % or less
Valve Clearance (Cold) 0.13 to 0.17 mm
0.0052 to 0.0066 in
–
Top Clearance 0.60 to 0.80 mm
0.024 to 0.031 in.
–
Cylinder Head Surface Flatness – 0.05 mm
0.002 in.
Valve Recessing (Intake and Exhaust) 0.65 to 0.85 mm
0.026 to 0.033 in.
1.20 mm
0.0472 in.
Valve Stem to Valve Guide (Intake and
Exhaust)
• Valve Stem
• Valve Guide
Clearance
O.D.
I.D.
0.055 to 0.085 mm
0.0022 to 0.0033 in.
6.960 to 6.975 mm
0.2741 to 0.2746 in.
7.030 to 7.045 mm
0.2768 to 0.2773 in.
0.10 mm
0.0039 in.
–
–
Valve Guide (Intake and Exhaust) I.D. 7.030 to 7.045 mm
0.2768 to 0.2773 in.
–
Valve Face (Intake and Exhaust) Angle 0.79 rad
45 °
–
Valve Seat (Intake and Exhaust) Angle
Width
0.79 rad
45 °
3.3 to 3.6 mm
0.13 to 0.14 in.
–
–
Valve Spring (Intake and Exhaust) Tilt
Free Length
–
35.1 to 35.6 mm
1.39 to 1.40 in.
1.0 mm
0.039 in.
34.6 mm
1.36 in.
Valve Spring (Intake and Exhaust) Setting Load /
Setting Length
63.5 N / 31.5 mm
6.48 kgf / 31.5 mm
14.3 lbf / 1.24 in.
45.9 N / 31.5 mm
4.68 kgf / 31.5 mm
10.3 lbf / 1.24 in.
Rocker Arm Shaft to Rocker Arm
• Rocker Arm Shaft
• Rocker Arm
Oil Clearance
O.D.
I.D.
0.016 to 0.054 mm
0.00063 to 0.0021 in.
14.973 to 14.984 mm
0.58949 to 0.58992 in.
15.000 to 15.027 mm
0.59056 to 0.59161 in.
0.15 mm
0.0059 in.
–
–
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