Standard value:
- No. 1
ring: 0.030 - 0.070 mm
No. 2 ring: 0.02 - 0.06 mm
PISTON RING |
|
1.Measure the clearance
between each piston ring and its groove in the piston. If
the limit
is exceeded, replace the ring or piston, or
both. Standard value:
No. 2 ring: 0.02 - 0.06 mm |
 |
2.Install a piston ring into
the cylinder bore and force it down with the head of a
piston
until the ring is at right angles to the cylinder wall.
Measure the end gap with a thickness
gauge. If the end gap is excessive, replace the piston
ring. Standard value:
No. 2 ring: 0.40 - 0.55 mm Oil ring: 0.10 - 0.40 mm
No. 2 ring: 0.8 mm Oil ring: 1.0 mm |
CRANKSHAFT PIN OIL CLEARANCE (PLASTIGAGE METHOD) |
| 1.Wipe off oil from the
crankshaft pin and connecting rod bearing. |
| 2.Cut a piece of plastigage
whose length is equivalent to the width of the bearing and
place it on the crankshaft pin in parallel with its
axis. |
| 3.Install the connecting rod
cap carefully and tighten the nuts to the specified
torque. |
| 4.Remove the nuts, then
remove the connecting rod cap carefully. |
 |
5.Measure the largest width
of the crushed plastigage using the ruler printed on the bag
of the plastigage. Standard value: 0.018 - 0.045 mm Limit: 0.1 mm |