Mazda 626 MX-6 Workshop Manual page 60

1
INSPECTION AND REPAIR
1
B— - H-
O C? 3
r
< 7
/ 1
[/
r Y ~~
o
------ - "
n r
1—50
Measure the cylinder bore in directions X and Y
at three levels in each cylinder as shown.
Cylinder bore
(1) If the difference between the measurement A
r
I
Taper: 0.019 mm (0.0007 in) max.
79G01C-071
(2) If the difference between the measurement X
Out-of-round: 0.019 mm (0.0007 in) max.
y
Caution
The boring size should be based on the size
of an oversize piston and be the same for all
cylinders.
o
79G01C-072
If the upper part of the cylinder wall shows uneven
wear, remove the ridge with a ridge reamer.
Size
Standard 86.000-86.019 (3.3858-3.3866)
0.25 (0.010) oversize 86.250-86.269 (3.3957-3.3964)
0.50 (0.020) oversize 86.500—86.519 (3.4055-3.4063)
and C exceeds the maximum taper, rebore the
cylinder to oversize.
and Y exceeds the maximum out-of-round, re­
bore the cylinder to oversize.
mm (in)
Bore