S-71
03-M-DI Series, WSM
DIESEL ENGINE
Replacing Connecting Rod Small End Bushing
(A) (When removing)
1. Press out the small end bushing with a connecting rod small end
bushing replacing tool.
(B) (When installing)
1. Clean a new small end bushing and bore, and apply engine oil to
them.
2. Press fit a new bushing, taking due care to see that the
connecting rod hole matches the bushing hole.
W1032140
Piston Ring Gap
1. Insert the piston ring into the lower part of the liner (the least worn
out part) with the piston.
2. Measure the ring gap with a feeler gauge.
3. If the gap exceeds the allowable limit, replace the ring.
W1032246
Top ring
Factory spec.
0.20 to 0.35 mm
0.0079 to 0.0138 in.
Allowable limit
1.25 mm
0.0492 in.
Second ring
Factory
spec.
D1503-M-DI
0.30 to 0.45 mm
0.012 to 0.018 in.
D1503-M-DI-T
0.40 to 0.55 mm
0.016 to 0.022 in.
D1703-M-DI
D1803-M-DI
V2203-M-DI
V2403-M-DI
0.35 to 0.50 mm
0.014 to 0.020 in.
Allowable limit
1.25 mm
0.0492 in.
Oil ring
Factory
spec.
D1503-M-DI
D1503-M-DI-T
0.25 to 0.45 mm
0.0098 to 0.0177 in.
D1703-M-DI
D1803-M-DI
V2203-M-DI
V2403-M-DI
0.20 to 0.40 mm
0.0079 to 0.0157 in.
Allowable limit
1.25 mm
0.0492 in.
KiSC issued 10, 2009 A
