Autolube Pump Air Bleeding; Spark Plug Inspection - Yamaha DT125RE 2005 Service Manual

1

AUTOLUBE PUMP AIR BLEEDING/

CHECKING THE SPARK PLUG
3-7
3. Air blled:
• pump case and/or oil pipe
Air bleeding steps
• Remove the bleed cap
• Start the engine.
• Keep the oil running out until air bubbles
dissapear.
• Keep the engine
2.000r/min for two minutes or so
• When air bubbles are expelled completely,
install the bleed cap.
NOTE:
Place a rag or oil pan under the autolube pump
to catch the oil.
EAS00060
CHECKING THE SPARK PLUG
1. Disconnect:
• spark plug cap
2. Remove:
• spark plug
CAUTION
Before removing the spark plug, blow away
any dirt accumulated in the spark plug well
with compressed air to prevent it from
falling into the cylinder.
3. Check:
• spark plug type
Incorrect Change.
Spark plug type (manufacturer)
BR8ES (NGK)
4. Check:
• electrode
Damage/wear
• insulator
Abnormal color
Normal color is medium-to-light tan.
5. Clean:
• spark plug
(with a spark plug cleaner or wire brush)
CHK
ADJ
running at about
Replace the spark plug.
Replace the spark plug.