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Maintenance (continued)
Clean air lter
Air lter cover
Air lter element
(more frequently in dusty conditions)
Remove the air lter element, and 1.
wash the element in clean, neutral sol-
vent or warm soapy water. Rinse the
element thoroughly, and then squeeze
dry before reassembly.
CAUTION!
Never operate the unit if the air lter
assembly is damaged or missing or
if the air lter element is soaked with
water!
10 - hour maintenance
spark plug gap--all models
Remove the spark plug and adjust the
gap at the electrode
Adjust the spark plug electrode gap to
0.024 inch (0.6 mm). If the spark plug
must be replaced, use only the spark
plug recommended on the Specica-
tions section or an equivalent resis-
tor type spark plug of the correct heat
range.
CAUTION!
Before removing the spark plug,
clean the area around the plug to
prevent dirt and debris from getting
into the engine’s internal parts. .
10 - 15 hour maintenance
0.6 mm
(0.024 in.)
tting.
Every 100 hours
(or before long-term storage)
Remove the gearcase cover, and use
solvent and a soft brush to remove all
old grease from the gearcase. To rell,
hand-pack the gearcase with approxi-
mately 40–50 grams of high quality lith-
ium-based grease (50–70% of capac-
ity). DO NOT OVERFILL!
Gearcase lubrication
BOTTOM
VIEW
Grease tting
Gearcase cover
Hex screws
BOTTOM VIEW
DO NOTE REMOVE
CONRODS
Every 20 and 100 hours
CAUTION!
Over-lubricating may cause the
■
gearcase to run slower than nor-
mal, and may also cause leakage
from excess grease.
Do not remove the conrods from
■
the cutters. Conrod bearings can
be lost or damaged if disturbed.
Gearcase lubrication
Every 20 hours
Top off gearcase grease level by using
a lever-type grease gun to force 1–2
strokes of high quality lithium-based
grease through the gearcase grease