Kubota WSM 07-E3B Series Workshop Manual page 109

07-E3B SERIES, WSM
ENGINE BODY (Continued)
Valve Face (Intake and Exhaust)
Valve Seat (Intake and Exhaust)
Intake Valve Timing
[V2607-DI-T-E3B]
[V2607-DI-E3B / V3007-DI-T-E3B /
V3307-DI-T-E3B]
Exhaust Valve Timing
[V2607-DI-T-E3B]
[V2607-DI-E3B / V3007-DI-T-E3B /
V3307-DI-T-E3B]
Valve Spring (Intake and Exhaust)
[V2607-DI-E3B / V2607-DI-T-E3B]
[V3007-DI-T-E3B / V3307-DI-T-E3B]
Item
Angle
Angle
Width
Open
Close
Open
Close
Open
Close
Open
Close
Tilt
Free Length
Tilt
Free Length
S-6
Factory Specification
0.79 rad
(45 °)
0.79 rad
(45 °)
3.3 to 3.6 mm
0.13 to 0.14 in.
0.21 rad (12 )
before T.D.C.
0.77 rad (44 )
after B.D.C.
0.24 rad (14 )
before T.D.C.
0.70 rad (40 )
after B.D.C.
0.86 rad (49 )
before B.D.C.
0.30 rad (17 )
after T.D.C.
0.87 rad (50 )
before B.D.C.
0.24 rad (14 )
after T.D.C.
–
35.4 to 35.9 mm
1.40 to 1.41 in.
–
35.1 to 35.6 mm
1.39 to 1.40 in.
ENGINE
Allowable Limit
–
–
–
–
–
–
–
–
–
–
–
1.0 mm
0.039 in.
34.9 mm
1.37 in.
1.0 mm
0.039 in.
34.6 mm
1.36 in.
KiSC issued 06, 2020 A