Checking The Fuel Line; Checking The Spark Plugs - Yamaha TMAX XP500F 2015 Service Manual

EAS30619

CHECKING THE FUEL LINE

The following procedure applies to all of the fuel
and breather hoses.
1. Remove:
• Center cover
Refer to "GENERAL CHASSIS (2)" on page
4-8.
• Side covers
Refer to "GENERAL CHASSIS (2)" on page
4-8.
• Footboards
Refer to "GENERAL CHASSIS (2)" on page
4-8.
• Storage box
Refer to "GENERAL CHASSIS (5)" on page
4-20.
2. Check:
• Fuel hose "1"
• Fuel tank breather hose "2"
Cracks/damage → Replace.
Loose connection → Connect properly.
ECA14940
NOTICE
Make sure the fuel tank breather hose is rout-
ed correctly.
3. Install:
• Storage box
Refer to "GENERAL CHASSIS (5)" on page
4-20.
• Footboards
Refer to "GENERAL CHASSIS (2)" on page
4-8.
• Side covers
Refer to "GENERAL CHASSIS (2)" on page
4-8.
• Center cover
Refer to "GENERAL CHASSIS (2)" on page
4-8.
EAS30620

CHECKING THE SPARK PLUGS

The following procedure applies to all of the
spark plugs.
PERIODIC MAINTENANCE
1. Remove:
• Radiator cover
Refer to "GENERAL CHASSIS (2)" on page
4-8.
2. Disconnect:
• Spark plug cap
3. Remove:
• Spark plug
ECA13320
NOTICE
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.
Manufacturer/model
NGK/CR7E
5. Check:
• Electrode "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.
Spark plug gap
0.7–0.8 mm (0.028–0.031 in)
8. Install:
• Spark plug
Spark plug
13 Nm (1.3 m·kgf, 9.4 ft·lbf)
3-4