3 - 11
CHK
ADJ
MEASURING THE COMPRESSION PRESSURE
4. Disconnect:
• spark plug cap
5. Remove:
• spark plug
NOTICE
_
Before removing a spark plug, use com-
pressed air to blow away any dirt accumu-
lated in the spark plug well to prevent it
from falling into the cylinder.
6. Attach:
• extension
1
• compression gauge
2
7. Measure:
• compression pressure
Out of specification
→
Refer to steps (c)
and (d).
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a. Set the main switch to “ON”.
Compression gauge
90890-03081
Engine compression tester
YU-33223
Extension
90890-04082
Compression pressure (at sea
level)
Minimum
392 kPa (3.92 kg/cm
2
, 55.8 psi)
Standard
450 kPa (4.50 kg/cm
2
, 64.0 psi)
Maximum
504 kPa (5.04 kg/cm
2
, 71.7 psi)
1
2
Содержание YXR70FX
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