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CAUTION: DO NOT use 2-stroke oil or oil without detergent additives. It could reduce the
service life of your engine.
Spark plug
WARNING! DO NOT check the sparks when the spark plug is removed. DO NOT turn the engine
when the spark plug is removed.
WARNING! When the engine is running, the exhaust will be very hot. Be careful not to touch
the exhaust.
To ensure that the engine operates correctly, the spark plug must be inserted correctly and be free
of deposits.
•
Remove the spark plug cable and use a spark plug spanner to remove the spark plug.
Picture 24
•
Check the spark plug visually. Dispose of the spark plug if it is obviously worn or the insulator is
cracked or chipped. Clean the spark plug with a wire brush if it is to be reused.
•
Measure the electrode gap with a caliper gauge. If necessary, correct the distance by bending
the electrode. Fig. 25 The distance should be 0.6-0.8 mm.
Picture 25
•
Check that the spark plug gasket is in good condition and turn the spark plug in by hand to
prevent it from jamming.
•
Once the spark plug is in place, tighten it with a spark plug spanner to compress the seal.
NOTE: When inserting a new gasket, turn the spark plug 1/2 turn to compress the gasket. With a
used spark plug, 1/8 to 1/4 turn is sufficient.
Manual_FX-SF210_Int24_rev14
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