Specifications

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
M
a
rk
Colour Mark
H
D
B
T
B
T
B
T