Service manual

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Water separator check
1. Check the water separator 1. Drain the
water if water has accumulated.
2. Check the O-ring of the drain plug.
Replace the O-ring if cracked or dam-
aged. See “Water separator check” (8-
21).
TIP:
To drain water from the water separator,
loosen the drain plug.
Choke cable check
1. Pull the choke knob out until it stops, and
then release the knob. The knob should
not move.
Choke cable adjustment
1. If the choke knob moves back on its own,
tighten the choke knob adjusting nut
slightly. If the knob is difficult to move,
loosen the adjusting nut slightly.
Oil injection system
Do not allow the oil tank to become com-
pletely empty. If the oil tank becomes
empty the oil injection pump must be bled
to ensure proper oil flow, otherwise
engine damage may occur. See “Oil pump
air bleeding” (4-18).
Oil filter check
1. Check the oil filter. Clean if there are con-
taminants. Replace if frayed or torn.
Oil hose, oil filler cap and rubber seal
check
1. Check the oil hose, or oil filler cap.
Replace if cracked or damaged.
2. Check the rubber seal. Replace if
cracked or worn.
Oil tank check
1. Check the oil tank. Replace if cracked or
damaged.
Check valve check
1. Check the check valve. See “Check
valve check” (4-18).
Power unit
Spark plug check
1. Remove the spark plug caps, and then
remove the spark plugs.
TIP:
Be careful not to get water or any other for-
eign substances in the spark plug holes.
2. Clean the electrodes a.
3. Check the electrodes a. Replace the
spark plug if damaged or worn.
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Periodic service