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Mercury OptiMax 250 Service Manual

Mercury OptiMax 250
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INSTALLATION
Page 1D-12 90-888438 JUNE 2002
Installing Jet Pump
Hull Cutout
CAUTION
The hull opening dimensions are critical for proper sealing between Jet Pump and
boat. Measure cutout thickness and overall dimensions before attempting a Jet
Pump installation.
1. Install tunnel grommet in cut-out of boat by gluing front portion of grommet to tunnel with
Loctite 454 or equivalent. Avoid gluing flexible sealing lips to tunnel.
ÀÀ
ÀÀ
ÀÀ
ÀÀ
ÀÀÀ
ÀÀ
CUTOUT THICKNESS
.375”
+0.050
–0.030
Use Grommet P/N:
25-877789
a
a
b
b
c
a-Glue Front Portion of Grommet
b-Avoid Gluing Flexible Sealing Lips to
Tunnel
c-Loctite 454
NOTE: The procedure for gluing the grommet is not required for the following grommets:
Part Number 820663–250 (1/4 in grommet)
Part Number 820663–375 (3/8 in grommet)
Part Number 882811 (3/8 in grommet)
2. Install steering and shift through hull bellows assemblies. Tighten securely.
a
b
c
d
a-Bellows
b-Clamp
c-Nut
d-Through Hull Fitting

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Mercury OptiMax 250 Specifications

General IconGeneral
Engine TypeV6
Horsepower250 hp
Gear Ratio1.75:1
Starting SystemElectric Start
Alternator60 Amp
Shaft Length20", 25"

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