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3. Remove the air filter from the air filter base (pic. 19).
4. Inspect the air filter elements. Clean dirty elements.
5. Wash the cover and filter element in warm soapy water, rinse, and allow to dry thoroughly.
Or clean in non-flammable solvent and allow to dry. DO NOT USE GASOLINE!
6. Dip the filter element in clean engine oil, then squeeze out all excess oil. The engine will
smoke if too much oil is left in the foam.
7. Reassemble the air cleaner.
8. Close the cover and secure it.
Replace filter if frayed, torn, damaged or unable to be cleaned.
SPARK PLUG
For best results, replace the spark plug (pic. 13 A) every 100 hours of use. Use only
the recommended spark plug which is the correct heat range for normal engine operating
temperatures. To find actual types of recommended spark plugs please contact an authorized
service center.
CAUTION! A
If the engine was in operation before a short time, let it cool down. Be carefull not
to touch this parts.
Incorrect spark plugs can cause engine damage.
For good performance, the spark plug must be properly gapped and free of deposits.
1. Disconnect the cap from the spark plug and remove any dirt from the spark plug area
(pic. 20).
2. Use the proper size spark plug wrench to remove the spark plug.
3. Inspect the spark plug. Replace it if damaged, badly fouled, if the sealing washer is in poor
condition, or if the electrode is worn.
4. Measure the electrode gap with a suitable gauge. (pic. 21 A). The correct gap is listed in
the Specifications. If adjustment is needed, correct the gap by carefully bending the side
electrode.
5. Install the spark plug carefully, by hand, to avoid cross-threading.
6. After the spark plug is seated, tighten with the proper size spark plug wrench to compress
the washer.
7. When installing a new spark plug, tighten by 1/2 turn after the spark plug seats to compress
the washer.
8. When reinstalling the original spark plug, tighten by 1/8 - 1/4 turn after the spark plug seats
to compress the washer.
9. Attach the spark plug cap to the spark plug.
Note: I
Over tightening the spark plug can damage the threads in the cylinder head.
MUFFLER
Allow the engine and exhaust to cool before handling.
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