Yamaha FJR1300R, Service Manual

Page: 145 / 572

3 - 29
CHK
ADJ
CHECKING THE SPARK PLUGS/
CHECKING THE IGNITION TIMING
5. Check:
• electrodes
1
Damage/wear
→
Replace the spark plug.
• insulator
2
Abnormal color
→
Replace the spark plug.
Normal color is medium-to-light tan.
6. Clean:
• spark plug
(with a spark plug cleaner or wire brush)
7. Measure:
• spark plug gap
a
(with a wire gauge)
Out of specification
→
Regap.
8. Install:
• spark plug
NOTE:
@
Before installing the spark plug, clean the
spark plug and gasket surface.
9. Connect:
• spark plug cap
10.Install:
• T-bar
• fuel tank
• rider seat
Refer to “SEATS AND FUEL TANK”.
Spark plug gap
0.7 ~ 0.8 mm (0.028 ~ 0.031 in)
T
R .
.
13 Nm (1.3 m · kg, 9.4 ft · lb)
EAS00061
CHECKING THE IGNITION TIMING
NOTE:
@
Prior to checking the ignition timing, check the
wiring connections of the entire ignition sys-
tem. Make sure all connections are tight and
free of corrosion.