Yamaha XT1200Z(Z) 2010 Service Manual page 297

Compression pressure (with oil applied into
the cylinder)
Reading
Higher than without
oil
Same as without oil
L LLL L LLL L L LLL L
9. Install:
• Spark plug
Spark plug
13 Nm (1.3 m·kgf, 9.4 ft·lbf)
10.Install:
• Ignition coil
Ignition coil bolt
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
LOCTITE®
11.Connect:
• Ignition coil couplers
12.Install:
• Air filter case
Refer to "GENERAL CHASSIS" on page 4-1.
Diagnosis
Piston ring(s) wear or
damage → Repair.
Pistons, valves, cylin-
der head gasket or
piston ring(s) possi-
bly defective → Re-
pair.
L LLL L L LLL L L LLL L LLL
5-2
ENGINE INSPECTION