Kubota ZD25F User Manual

1-S44
ZD25F, WSM
ENGINE
Correcting Cylinder
1. When the cylinder is worn beyond the allowable limit, bore and
hone it to the specified dimension.
2. Replace the piston and piston rings with oversize ones.
NOTE
• When the oversize cylinder is worn beyond the allowable
limit, replace the cylinder block with a new one.
W10367470
Oversized cylinder liner
I.D.
Factory spec.
76.500 to 76.519 mm
3.01181 to 3.01256 in.
Allowable limit
76.669 mm
3.01846 in.
Finishing
Hone to 1.2 to 2.0 μ R max.
∇∇∇
(0.0472 to 0.0787 in. R max.)
Oversize Part Name Marking
0.5 mm
0.0197 in.
Piston 05 05 OS
Piston ring 05 assembly 05 OS
(1) Cylinder I.D. (Before Correction) (2) Oversized Cylinder I.D.
KiSC issued 04, 2009 A

Kubota ZD25F Specifications

General

Brand	Kubota
Model	ZD25F
Category	Lawn Mower
Language	English