CYLI N D ER/PISTON
I nsert the old piston ring into the proper ring groove and clean
the groove by rol l i n g the ring around the pistons
circumference .
Inspect the piston for cracks or other damage.
Measure the piston O . D .
NOTE
Take measurements
mm
•
1 0
to the piston pin hole.
9 0 °
SERVICE LIMIT: 74.90 mm ( 2 . 949 in)
Calculate the piston-to-cylinder clearance by subtracting the
piston O . D . from the cylinder
SERVICE LIMIT: 0.32 mm (0.0 1 3 in)
Measure the top and second piston ring end gaps : using a pis
ton , push the ring into the cyl inder squarely and make the mea
surement.
SERVICE LIMIT:
Top/Second : 0 . 50 mm (0.020 in)
Oil:
0 . 90 mm (0.035 in)
Measure each piston pin bore .
SERVICE LIMIT: 1 8 .05 mm (0. 7 1 1 in)
Measure each piston pin O . D .
SERVICE LIMIT: 1 7 . 98 mm (0. 708 in)
Calculate the piston pin-to-piston clearance .
SERVICE LIMIT: 0.40 mm (0.00 1 6 in)
1 0-4
in) from the bottom , and
( 0 . 4
I .
D . (page
1 0- 2 ) .