SERVICE MANUAL NUMBER 24
MERCARB 2 BARREL CARBURETOR
4.
Bend tang on throttle lever, if necessary, to obtain specified dimension.
b
a
72685
a - Tang
b - Throttle Lever
Initial Idle Speed and Mixture
IMPORTANT: The following adjustments will provide a sufficient idle speed and mix-
ture for starting engine. Final adjustments must be made with engine running.
1.
Loosen idle speed screw until it no longer contacts idle cam. Turn idle speed screw in
until it just contacts idle cam, then turn screw in an additional two turns.
b
a
72284
a - Idle Speed Screw
b - Idle Cam
IMPORTANT: DO NOT turn idle mixture needle tightly against seat (in the following
step), as damage to seat and/or needle may result.
2.
Turn idle mixture needle in until lightly seated, then loosen needle 1-1/4 turns.
a
72281
a - Idle Mixture Needle
90-861327--1
OCTOBER 1999
Page 5B-15
Product Specification
Categories | Mercury MerCruiser Manuals |
---|---|
Tags | Mercury MerCruiser 305 CID, Mercury MerCruiser 350 CID |
Model Year | 1998, 1999, 2000, 2001 |
Download File |
|
Document File Type | |
Copyright | Attribution Non-commercial |
Great performance engine.
Class 1