Table of Contents
Advertisement
PISTON, CONNECTING ROD, CRANKSHAFT AND CRANKCASE
a
2.
Measure:
• Piston pin hole inside diameter "a"
Out of specification Replace.
Piston pin hole inside diameter:
Limit:
3.
Measure:
• Piston pin diameter "a"
Out of specification Replace.
Piston pin diameter:
Limit:
a
4.
Check:
• Check that the piston pin enters smoothly into the
piston pin hole.
TIP
If the piston pin fits too tight into the piston, check the pis-
ton pin hole. If there is any protrusion, use a knife or
scraper to gently remove it so that piston pin can be
pushed in smoothly with your fingers.
CHECKING THE PISTON RINGS
The following procedure applies to all of the piston rings.
1.
Measure:
• Piston ring side clearance
Out of specification Replace the piston and pis-
ton rings as a set.
TIP
Before measuring the piston ring side clearance, eliminate
any carbon deposits from the piston ring grooves and pis-
ton rings.
3-37
12.004–12.015 mm (0.4726–0.4730 in)
12.045 mm (0.4742 in)
11.996–12.000 mm (0.4723–0.4724 in)
11.976 mm (0.4715 in)
1
2
3
4
5
6
7
8
9
10
Advertisement
Table of Contents
