Checking The Fuel Line; Checking The Spark Plugs - Yamaha 2012 TMAX XP500A Service Manual

EAS21030

CHECKING THE FUEL LINE

The following procedure applies to all of the
fuel and breather hoses.
1. Remove:
• Center cover
Refer to "GENERAL CHASSIS" on page
4-1.
• Side covers
Refer to "GENERAL CHASSIS" on page
4-1.
• Footboards
Refer to "GENERAL CHASSIS" on page
4-1.
• Storage box
Refer to "GENERAL CHASSIS" on page
4-1.
2. Check:
• Fuel hose "1"
• Fuel tank breather hose "2"
Cracks/damage → Replace.
Loose connection → Connect properly.
ECA14940
Make sure the fuel tank breather hose is
routed correctly.
3. Install:
• Storage box
Refer to "GENERAL CHASSIS" on page
4-1.
• Footboards
Refer to "GENERAL CHASSIS" on page
4-1.
• Side covers
Refer to "GENERAL CHASSIS" on page
4-1.
• Center cover
Refer to "GENERAL CHASSIS" on page
4-1.
PERIODIC MAINTENANCE
EAS20680

CHECKING THE SPARK PLUGS

The following procedure applies to all of the
spark plugs.
1. Remove:
• Radiator cover
Refer to "GENERAL CHASSIS" on page
4-1.
2. Disconnect:
• Spark plug cap
3. Remove:
• Spark plug
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.
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)
3-4