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Maintenance

TO PREVENT SERIOUS INJURY FROM

ACCIDENTAL STARTING TURN THE ENGINE

POWER SWITCH TO THE "OFF" POSITION.

Wait for the engine to cool, and remove the spark plug wire

before performing any inspection, maintenance, or cleaning.

Spark Plug Maintenance:

1. Remove screw from side of spark plug access cover (see

Figure 8). Disconnect spark plug wire from end of plug.

Clean out any debris from around the spark plug.

2. Using a spark plug wrench, remove the spark plug. Inspect

the spark plug (see Figure 9). If the electrode is oily, clean

it using a clean, dry rag. If the electrode has deposits on

it, polish it using emery paper. or a fine wire brush. If the

white insulator is cracked or chipped, replace the spark

plug.

3. When installing a new spark plug, adjust the plug's gap to

the specification on the technical specification chart (see

Figure 10). Do not pry against the electrode or the insulator,

the spark plug can be damaged.

4. Install the new spark plug or the cleaned spark plug into the

engine. Gasket style spark plugs should be finger-tightened

until the gasket contacts the cylinder head, then turned

about 1/2 to 2/3 more rotation. Non-gasket-style spark

plugs should be finger-tightened until the plug contacts the

head, then about 1/16 turn more.

WARNING

SPARK PLUG

ACCESS COVER

Figure 8

Figure 9

Spark Plug Gap

0.024" - 0.028"

(0.6 - 0.7mm)

Figure 10