Publicité
POWR
D
a
CRANKSHAFT AND PISTON
D
1
D
2
D
and D
1
2
D
and D
3
4
D
and D
5
6
CHECKING THE PISTON-TO-
CYLINDER CLEARANCE
1. Measure:
•
Cylinder bore
Out of specification → Rebore the
cylinder or replace the cylinder
block.
Cylinder
65.000 - 65.015 mm
bore "D"
(2.5590 - 2.5596 in)
Taper limit
"T"
Out of
round limit
D = Maximum Dia. (D
T = (maximum D
or D
)
6
NOTE:
Measure the cylinder bore in parallel and at
a right angle to the crankshaft. Then, aver-
age the measurements.
2. Measure:
•
Piston diameter
Out of specification → Replace the
piston.
Distance
Standard
(0.07 in)
Oversize piston diameter
Oversize 1
+ 0.25 mm (0.001 in)
Oversize 2
+ 0.50 mm (0.002 in)
5-42
Standard
—
—
- D
)
1
6
or D
)-(minimum D
1
2
Piston diameter
a
2 mm
64.950 - 64.965 mm
(2.5570 - 2.5573 in)
E
Wear
limit
—
0.08 mm
(0.003 in)
0.08 mm
(0.003 in)
5
Publicité
Chapitres
