Yamaha FJR13AG Service Manual page 331

Compression pressure (with oil applied into the
cylinder)
Reading
Higher than without oil
Same as without oil
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9. Install:
• Spark plug
Spark plug
13 Nm (1.3 m·kgf, 9.4 ft·lbf)
10.Install:
• Ignition coils
11.Connect:
• Ignition coil couplers
12.Install:
• T–bar
Refer to "GENERAL CHASSIS (6)" on page
4-22.
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
• Rider seat
Refer to "GENERAL CHASSIS (1)" on page
4-1.
Diagnosis
Piston ring(s) wear or
damage → Repair.
Pistons, valves, cylinder
head gasket or piston
ring(s) possibly defec-
tive → Repair.
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ENGINE INSPECTION
5-2