Checking The Spark Plug - Yamaha 2004 Rhino 660 YXR660FAS Service Manual

ADJUSTING THE STARTER CABLE/

CHECKING THE SPARK PLUG

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3. Install:
• console
• passenger seat
• driver seat
Refer to "SEATS, ENCLOSURE, HOOD
AND CARGO BED" in chapter 8.
CHECKING THE SPARK PLUG
1. Lift the cargo bed up.
2. Remove:
• spark plug
3. Check:
• spark plug type
Incorrect → Replace.
Standard spark plug
DPR8EA-9/NGK
4. Check:
• electrode 1
Wear/damage → Replace.
• insulator 2
Abnormal color → Replace.
Normal color is a medium-to-light tan color.
5. Clean the spark plug with a spark plug
cleaner or wire brush.
6. Measure:
• spark plug gap a
Use a wire gauge or thickness gauge.
Out of specification → Regap.
Spark plug gap
0.8 ~ 0.9 mm (0.031 ~ 0.035 in)
7. Install:
• spark plug
18 Nm (1.8 m
NOTE:
Before installing a spark plug, clean the gasket
surface and plug surface.
8. Lower the cargo bed.
CHK
ADJ
· ·
kg, 13 ft lb)