Mercury 305 CID - Identification; Replacement Parts Warning; Tools; Torque Specifications

90-823225--1 1096 WEBER 4 BARREL CARBURETOR - 5D-1
Identification
70389
a
a - Weber Identification Number Location
Replacement Parts Warning
!
WARNING
Electrical, ignition and fuel system components
on your MerCruiser are designed and manufac-
tured to comply with U.S. Coast Guard Rules and
Regulations to minimize risks of fire and explo-
sion.
Use of replacement electrical, ignition or fuel
system components, which do not comply with
these rules and regulations, could result in a fire
or explosion hazard and should be avoided.
Torque Specifications
Fastener Location in. lb. lb. ft. N·m
Carburetor To Manifold 132 15
Fuel Line
To Carburetor
18 24
Tools
Description Part Number
Universal Carburetor
Gauge
91-36392
Tachometer 91-59339
Universal Carburetor
Stand
Obtain Locally
Torx

Screwdriver
(15,20,25)
Obtain
Locally
TORX SCREWDRIVERS
Weber carburetors will have a “star” shaped socket
in the head of some screws. A TORX

screwdriver
must be used on this type of screw. The sizes used
are numbers 15, 20 and 25.