SPEC
L-18
DESCRIPTION
SPECIFICATION
Cylinder :
Bore size
49.000 ~ 49.020 mm
(in five grades)
Piston :
Piston to Cylinder Clearance
0.017 ~ 0.021 mm
<Limit>
<0.12mm>
Piston size “D”
48.962 ~ 48.981 mm
Cylinder Piston Grading
(in five grades)
Measuring point “H”
4.5 mm
Piston offset
0.5 mm
Piston offset direction
Intake side
Piston pin bore inside diameter
13.002 ~13.013 mm
Piston pin outside diameter
12.996 ~ 13.000 mm
Piston rings :
Top ring :
Type
Barrel
Dimensions (B x T)
1.0 x 1.95 mm
End gap (installed)
0.10 ~ 0.25 mm
<Limit>
<0.35mm>
Side clearance (installed)
0.030 ~ 0.065 mm
<Limit>
<0.115m>
2nd ring :
Type
Taper
Dimensions (B x T)
1.0 x 1.9 mm
End gap (installed)
0.25 ~ 0.40 mm
<Limit>
<0.50mm>
Side clearance
0.020 ~ 0.065 mm
<Limit>
<0.115mm>
Oil ring :
Dimensions (B x T)
2.0 x 2.15 mm
End gap (installed)
0.2 ~ 0.7 mm
Side Clearance
0.040
(For Rail Upper and Rail Lower)
MAINTENANCE SPECIFICATIONS
ENGINE
Matching of Grades
Piston
Cylinder
Red
A
Orange
B
Green
C
Violet
D
Colour Mark
Letter
Punch Mark
Blue
E
MAINTENANCE SPECIFICATIONS
2-4
Punch
Mark
Colour Mark
H
D
B
T
B
T
B
T
