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Mercury OptiMax 250 Service Manual

Mercury OptiMax 250
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INSTALLATION
Page 1D-22 90-888438 JUNE 2002
9. Seal the thru-hull fitting to prevent any water leaks.
a
a-Steering Cable Thru-Hull Fitting
Bilge Siphon Feature
The Sport Jet incorporates an automatic bilge siphoning feature. The bilge siphon is working
whenever the engine is running above idle speeds. Maximum performance of the bilge si-
phon is realized above 3,000 rpm. A hose is attached to the jet pump nozzle. The hose is
routed to the engine compartment and placed in the bilge. Water exiting the nozzle creates
a suction or vacuum in the hose creating the bilge siphon, drawing water out of the boat.
Installing Bilge Siphon
Uncoil siphon hose from exhaust manifold. Place siphon hose in bilge.
c
59216
a
b
59210
a-Siphon Break
b-Sta-Strap – Add Sta-Strap to secure hose
c-Pick Up Screen
The siphon break must be located above the water line at the highest point (sta-strap). The
siphon break has a 0.020 in. hole which must be kept open.
WARNING
Failure to locate siphon break above the water line and keep hole open could result
in water entering the bilge through the siphon system causing property damage,
personal injury or death.

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Mercury OptiMax 250 Specifications

General IconGeneral
BrandMercury
ModelOptiMax 250
CategoryOutboard Motor
LanguageEnglish

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