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4. Measure the electrode gap
(fig. 32B)
with a suitable gauge
(fig. 32A)
. 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
A loose spark plug can become very hot and can damage the engine. Over
tightening the spark plug can damage the threads in the cylinder head.
MUFFLER
C
Allow muffler, engine cylinder, and fins to cool before touching.
• Remove accumulated debris from muffler area and cylinder area.
• Make sure the muffler is without cracks, corrosion or other damage.
• If the exhaust system is fitted with a spark arrester, it must be kept clean and passive. After
removing the arrester and knocking out the coarse dirt, clean the arrester with a fine brush
(e.g. toothbrush) from all deposits. After cleaning, reassemble it.
CARBON SEDIMENTS
It is recommended to remove carbon sediments from cylinder, piston upper side and valves
surrounding each 100 – 300 operating hours in authorised service center.
FUEL SYSTEM
CAUTIONG!
A
Spare parts of fuel system (plugs, hoses, tanks, filters etc.) must be
the same as original otherwise arises danger of fire.
• Regularly check the condition of fuel hoses.
• Replace the fuel hose every 2 years. If fuel leaks from fuel hose, replace the fuel hose
immediately.
ENGINE ADJUSTMENTS
CAUTIONG!
A
Do not change in any way the rated speed of the engine (carburetor side
or regulator side).
Your engine was adjusted in the factory. If the motor settings is changed in any way, the warranty
will be cancelled. If additional adjustment is necessary (eg. for high altitude), contact authorized
service center!
