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Mercury Optimax 115 Installation Manual

Mercury Optimax 115
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75/90/115 OPTIMAX
Page 15 of 18
Filling Fuel System
NOTE: For initial start of a new engine or for an engine that ran out of fuel, or was drained
of fuel, the fuel system should to be filled as follows:
Squeeze the fuel line primer bulb until it feels firm.
Turn the ignition key switch to the ON position for three seconds. This operates the elec-
tric fuel pump.
Turn the ignition key switch back to the OFF position, and squeeze the primer bulb again
until it feels firm. Turn the ignition key switch to the “ON” position again for three seconds.
Continue this procedure until the fuel line primer bulb stays firm.
Filling The Oil Injection Tank
NOTE: The oil tank capacity is 5 qt. (4.72 liters).
1. Open the cowl cap. Turn the oil fill cap to the left and remove.
a
b
a-Cowl Cap
b-Oil Fill Cap
2. Use the chain on the fill cap to check oil level. First ball marker (a) is 1 quart (.94 liters)
low and second ball marker (b) is 2 quart (1.89 liters) low.
3. Slowly fill the oil tank with the specified oil. Do Not overfill
– add only enough oil to bring
the oil level up to the bottom of the fill neck (a).
4. Install oil filler cap and re-tighten. Reinstall the cowl cap.
a
b
c
d
a-1 Quart (.94 liters) Low Marker
b-2 Quart (1.89 liters) Low Marker
c-Full Line
d-Oil Fill Cap

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Mercury Optimax 115 Specifications

General IconGeneral
BrandMercury
ModelOptimax 115
CategoryOutboard Motor
LanguageEnglish

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