Yamaha FJR1300A(D) - Checking the Fuel Line; Checking the Spark Plugs

PERIODIC MAINTENANCE
3-4
EAS21030
CHECKING THE FUEL LINE
1. Remove:
• Rider seat
Refer to “GENERAL CHASSIS” on page 4-1.
• Fuel tank
Refer to “FUEL TANK” on page 7-1.
• T-bar
Refer to “GENERAL CHASSIS” on page 4-1.
2. Check:
• Fuel hose “1”
• Fuel tank breather hose “2”
• Fuel tank overflow hose “3”
• Fuel tank breather/overflow hose “4”
Cracks/damage → Replace.
Loose connection → Connect properly.
NOTICE
EC3P61005
Make sure the fuel tank breather/overflow
hose is routed correctly.
3. Install:
• T-bar
Refer to “GENERAL CHASSIS” on page 4-1.
• Fuel tank
Refer to “FUEL TANK” on page 7-1.
• Rider seat
Refer to “GENERAL CHASSIS” on page 4-1.
EAS20680
CHECKING THE SPARK PLUGS
The following procedure applies to all of the
spark plugs.
1. Remove:
• Rider seat
Refer to “GENERAL CHASSIS” on page 4-1.
• Fuel tank
Refer to “FUEL TANK” on page 7-1.
• T-bar
Refer to “GENERAL CHASSIS” on page 4-1.
2. Remove:
• Ignition coil
3. Remove:
• Spark plug
NOTICE
ECA13320
Before removing the spark plugs, blow away
any dirt accumulated in the spark plug wells
with compressed air to prevent it from falling
into the cylinders.
4. Check:
• Spark plug type
Incorrect → Change.
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 thickness gauge)
Out of specification → Regap.
8. Install:
• Spark plug
TIP
Before installing the spark plug, clean the spark
plug and gasket surface.
9. Install:
• Ignition coil
3
2
4
1
Manufacturer/model
NGK/CPR8EA-9
Spark plug gap
0.8–0.9 mm (0.031–0.035 in)
T
R
.
.
Spark plug
13 Nm (1.3 m·kg, 9.4 ft·lb)