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ENGINE
ENGINE INSPECTION
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a. If the compression pressure is below the minimum
specification, pour a teaspoonful of engine oil into
the spark plug hole and measure again. Refer to
the following table.
b. If the compression pressure is above the maximum
specification, check the cylinder head, valve sur-
faces and piston crown for carbon deposits.
Carbon deposits
Eliminate.
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5.
Install:
• Spark plug
• Spark plug cap
Reading
Diagnosis
Higher than
without oil
• Worn cylinder, piston, and piston ring(s)
Same as
without oil
• Defective piston, piston ring(s), valve(s), and
cylinder head gasket
• Improper valve timing and valve clearance
Spark plug:
20 N·m (2.0 kgf·m, 14 lb·ft)
T
R
.
.
Summary of Contents for MX775
Page 2: ...7UD F8197 E0_Cover indd 2 2016 12 13 11 23 58 ...
Page 8: ...MEMO ...
Page 24: ...SPECIAL TOOLS AND TESTERS 1 12 1 2 3 4 5 6 7 8 9 10 GENERAL INFORMATION MEMO ...
Page 101: ...4 5 1 2 3 4 5 6 7 8 9 10 FUEL FUEL PUMPS sure fuel pump joint until a distinct click is heard ...
Page 172: ...7 14 1 2 3 4 5 6 7 8 9 10 SPECIFICATIONS WIRE ROUTING DIAGRAM ...
Page 174: ...7 16 1 2 3 4 5 6 7 8 9 10 SPECIFICATIONS WIRE ROUTING DIAGRAM LEFT SIDE VIEW ...
Page 176: ...7 18 1 2 3 4 5 6 7 8 9 10 SPECIFICATIONS WIRE ROUTING DIAGRAM RIGHT SIDE VIEW ...
Page 180: ...7 22 1 2 3 4 5 6 7 8 9 10 SPECIFICATIONS WIRE ROUTING DIAGRAM REAR SIDE VIEW ...
Page 183: ...7 25 1 2 3 4 5 6 7 8 9 10 SPECIFICATIONS WIRE ROUTING DIAGRAM MEMO ...
Page 186: ...MEMO ...
Page 187: ...7UD F8197 E0_Cover indd 2 2016 12 13 11 23 58 ...