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6."HOW-TO" MAINTENANCE
17
Electrode gap
INSPECTING THE SPARK PLUG
Clean off carbon deposits on the plug
electrode using a plug cleaner or wire brush.
Check electrode gap.
Adjust the gap, if necessary, by
carefully bending the side electrode.
Use a proper spark plug
(c) Refer to page 7 for the recommended oil.
Always use the best grade and clean oil. Contaminated oil, poor quality oil and
shortage of oil cause damage to engine or shorten the engine life.
ENGINE OIL CHANGE
Initial oil change : After 20 hours of operation
Thereafter : Every 100 hours of operation
(a) When changing oil, stop the engine
and loosen the drain plug.
Drain the used oil while the engine is
warm. Warm oil drains quickly and
completely.
(b) Re-install the drain plug before
refilling oil.
Model Type
Electrode gap
EW120R NGK CMR6A
0.03 in.
(0.7 to 0.8 mm)
EW220R
EW320TR
NGK BR-6HS
(CHAMPION RL86C)
0.02 to 0.03 in.
(0.6 to 0.7 mm)
Oil capacity
EW120R
2.7 oz (0.08
L)
EW220R
20.3 oz (
0.6 L)
EW320TR
33.8 oz (
1.0 L)
To prevent injury, pay attention to
the hot oil.
Make sure the fuel cap is tightly
secured to avoid spillage.
CAUTION