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Air Filter Element Maintenance
Air Filter
Air Filter Element
Air Filter Cover
1. Remove the air filter cover and the air filter elements and check for dirt. Clean or replace as described
below.
2. Wash the element in warm water and mild detergent several times. Rinse. Squeeze out excess water
and allow it to dry completely. Soak the filter in lightweight oil briefly, then squeeze out the excess oil.
3. Install the new filter or the cleaned filter. Secure the Air Cleaner Cover before use.
Spark Plug Maintenance
1. Disconnect spark plug cap from end of plug. Clean out debris
from around spark plug.
4. When i
nstalling a new spark plug, adjust the plug’s gap to the specification on the Specifications chart.
Do not pry against the electrode, the spark plug can be damaged.
2. Using a spark plug wrench, remove the spark plug.
3. Inspect the spark plug:
If the electrode is oily, clean it using a clean, dry rag. If the
electrode has deposits on it, polish it using emery paper. If
the white insulator is cracked or chipped, the spark plug
needs to be replaced.
NOTI CE: Using a
n incorrect spark plug may damage the engine.
See the right picutre for the spark plug type and gap required.
0.7 - 0.8 mm
0.028 -0.031 in
SPARK PLUG TYPE：F7RTC
5. Install the new spark plug or the cleaned spark plug into the engine. Gasket-style: Finger-tighten until
the gasket contacts the cylinder head, then about 1/2-2/3 turn more.
Non-gasket-style: Finger-tighten until the plug contacts the head, then about 1/16 turn more.
NOTI CE: Tighten the spark plug properly. If loose, the spark plug will cause the engine to overheat. If
overtightened,
the threads in the engine block will be damaged.
6. Reconnect the spark plug cap.
Cylinder
Assembly
Spark Plug
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