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Mercury XR2

Mercury XR2
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49
MAINTENANCE
12
Spark Plug Inspection
Inspect spark plugs at the recommended intervals.
1 Remove the spark plug leads by twisting the rubber boots slightly
and pull off. Inspect spark plug boots and replace if cracked.
2 Remove the spark plugs to inspect and clean. Replace spark
plug if electrode is worn or the insulator is rough, cracked, bro-
ken, blistered, or fouled.
3 Before reinstalling spark plugs, clean away dirt on the spark plug
seats. Install plugs finger tight, and tighten to a torque of 20 lb.
ft. (27 N·m).
ohn1
Battery Inspection
The battery should be inspected at periodic intervals to ensure prop-
er engine starting capability.
IMPORTANT: Read the safety and maintenance instructions
which accompany your battery.
1. Turn off the engine before servicing the battery.
2. Add water as necessary to keep the battery full.
3. Make sure the battery is secure against movement.
4. Battery cable terminals should be clean, tight, and correctly in-
stalled. Positive to positive and negative to negative.
5. Make sure the battery is equipped with a nonconductive shield
to prevent accidental shorting of battery terminals.

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