Kubota WSM User Manual

1-S6
ZD18(F) · ZD21(F) · ZD28(F), WSM
ENGINE
ENGINE BODY (Continued)
W1014987
Item Factory Specification Allowable Limit
Valve Spring Free Length
Setting Load
Setting Length
Tilt
31.3 to 31.8 mm
1.232 to 1.252 in.
64.7 N
6.6 kgf
14.6 lbs
27.0 mm
1.063 in.
–
28.4 mm
1.118 in.
54.9 N
5.6 kgf
12.3 lbs
27.0 mm
1.063 in.
1.2 mm
0.047 in.
Rocker Arm Shaft to Rocker Arm
Rocker Arm Shaft
Rocker Arm
Clearance
O.D.
I.D.
0.016 to 0.045 mm
0.00063 to 0.00177 in.
10.473 to 10.484 mm
0.41232 to 0.41276 in.
10.500 to 10.518 mm
0.41339 to 0.41410 in.
0.15 mm
0.0059 in.
–
–
Push Rod Alignment – 0.25 mm
0.0098 in.
Tappet to Guide
Tappet
Tappet Guide
Clearance
O.D.
I.D.
0.016 to 0.052 mm
0.00063 to 0.00205 in.
17.966 to 17.984 mm
0.70732 to 0.70803 in.
18.000 to 18.018 mm
0.70866 to 0.70937 in.
0.10 mm
0.0039 in.
–
–
Camshaft Side Clearance 0.15 to 0.31 mm
0.0059 to 0.0122 in.
0.50 mm
0.0197 in.
Camshaft Alignment – 0.01 mm
0.0004 in.
Cam Height Intake and
Exhaust
26.88 mm
1.0583 in.
26.83 mm
1.0563 in.
Camshaft
Camshaft Journal
Camshaft Bearing
Oil Clearance
O.D.
I.D.
0.050 to 0.091 mm
0.00197 to 0.00358 in.
32.934 to 32.950 mm
1.29661 to 1.29724 in.
33.000 to 33.025 mm
1.29921 to 1.30020 in.
0.15 mm
0.0059 in.
–
–
KiSC issued 04, 2009 A

Kubota WSM Specifications

General

Brand	Kubota
Model	WSM
Category	Lawn Mower
Language	English