Engine [D1005, V1305 - Kubota WSM J Series Workshop Manual

J SERIES, WSM

(3) Engine [D1005, V1305]

(A) Engine Body
Cylinder Head Surface
Top Clearance
Compression Pressure (When Cranking with Starting Motor)
Variance among Cylinders
Valve Clearance(Cold)
Valve Seat
Valve Seat
Valve Face
Valve Recessing
Valve Stem to Valve Guide
Valve Stem
Valve Guide
Valve Timing (Intake Valve)
Valve Timing (Exhaust Valve)
Item
Flatness
Width
Angle (Intake)
Angle (Exhaust)
Angle (Intake)
Angle (Exhaust)
Clearance
O.D.
I.D.
Open
Close
Open
Close
S-28
Factory Specification
–
0.55 to 0.70 mm
0.0217 to 0.0276 in.
2.84 to 3.24 MPa
2
29.0 to 33.0 kgf/cm
412 to 469 psi
–
0.145 to 0.185 mm
0.00571 to 0.00728 in.
2.12 mm
0.0835 in.
1.05 rad.
60
0.79 rad.
45
1.05 rad.
60
0.79 rad.
45
–0.05 to 0.15 mm
–0.0020 to 0.0059 in.
0.035 to 0.065 mm
0.00138 to 0.00256 in.
6.960 to 6.975 mm
0.27402 to 0.27461 in.
7.010 to 7.025 mm
0.27599 to 0.27657 in.
0.24 rad. (14)
before T.D.C.
0.52 rad. (30)
after B.D.C.
0.96 rad. (55)
before B.D.C.
0.24 rad. (14)
after T.D.C.
GENERAL
Allowable Limit
0.05 mm.
0.0020 in.
–
2.26 MPa
2
23.0 kgf/cm
327 psi
10% or less
–
–
–
–
–
–
0.40 mm
0.0157 in.
0.10 mm
0.0039 in.
–
–
–
–
–
–
W10216960
KiSC issued 10, 2016 A