Mercury Optimax 135 Service Manual

FUEL PUMP
Page 3A-6 90-855347R1 JANUARY 1999
Fuel Pump Removal/Disassembly
IMPORTANT: Fuel pump diaphragm and gaskets should not be re-used once fuel
pump is disassembled.
NOTE: External low pressure electric fuel pump and vapor separator has been removed
from illustration to provide improved visual clarity for location of mechanical fuel pump.
1. Disconnect fuel hoses from fuel pump.
2. Disconnect pulse hose.
3. Remove two mounting screws.
4. Remove fuel pump from engine.
a
e
57298
c
d
b
a-Fuel hose from tank to fuel pump
b-Fuel hose from fuel pump to Water Separator
c-Pulse hose
d-Mounting screws
e-Fuel pump
5. Disassemble fuel pump.

Mercury Optimax 135 Specifications

General

Engine Type	V6
Horsepower	135 HP
Fuel Induction System	2-stage direct fuel injection
Full Throttle RPM Range	5000-5750 RPM
Alternator Output	60 amp / 756 watt
Starting System	Electric
Steering	Remote
Dry Weight	431 lbs
Shaft Length	20", 25"