Servicing Specifications - Kubota MX5100 Workshop Manual

MX5100, WSM

2. SERVICING SPECIFICATIONS

ENGINE BODY
Valve Clearance (When Cold)
Compression Pressure
(When Cranking with Starting Motor)
Top Clearance
Cylinder Head Surface
Valve Recessing
(Protrusion to Recessing)
Valve Stem to Valve Guide
Valve Stem
Valve Guide
Valve Face
Valve Seat
Valve Seat
Valve Timing (Intake Valve)
Item
Flatness
Protrusion
Recessing
Clearance
O.D.
I.D.
Angle (Intake)
Angle (Exhaust)
Width (Intake)
Width (Exhaust)
Angle (Intake)
Angle (Exhaust)
Open
Close
1-S5
Factory Specification
0.18 to 0.22 mm
0.0071 to 0.0086 in.
3.24 to 3.72 MPa /
-1
290 min (rpm)
2
33.0 to 38.0 kgf/cm /
-1
290 min (rpm)
470 to 540 psi /
-1
290 min (rpm)
0.575 to 0.675 mm
0.0227 to 0.0265 in.
–
0.05 mm
0.002 in.
0.15 mm
0.0059 in.
0.040 to 0.070 mm
0.0016 to 0.0027 in.
7.960 to 7.975 mm
0.3134 to 0.3139 in.
8.015 to 8.030 mm
0.3156 to 0.3161 in.
1.0 rad
60 °
0.79 rad
45 °
2.12 mm
0.0835 in.
2.12 mm
0.0835 in.
1.0 rad
60 °
0.79 rad
45 °
0.35 rad (20 °)
before T.D.C.
0.79 rad (45 °)
after B.D.C.
ENGINE
Allowable Limit
–
2.55 MPa /
-1
290 min (rpm)
2
26.0 kgf/cm /
-1
290 min (rpm)
370 psi /
-1
290 min (rpm)
–
0.05 mm / 500 mm
0.002 in. /
19.7 in.
–
0.40 mm
0.016 in.
0.10 mm
0.0039 in.
–
–
–
–
–
–
–
–
–
–
W1116131