Parts Catalog

Replacements
Home / Mercury / Mercury Marine [Updated: Apr. 10, 2026] / Outboard / 2 Stroke Carb / 45, 450 4 CYL / [9466692 & Up] - Belgium - Cat.# 90-16403 / Carburetor Assembly

Carburetor Assembly

Parts (37)

#Part NumberDescriptionQtyStatus
-- 9650 REPAIR KIT 2
-- 9651 GASKET SET 2
1 6517A33 CARBURETOR ASSEMBLY (Upper) 1 superseded
1 6517A34 CARBURETOR ASSEMBLY (Lower) 1 superseded
10 NSS   NOT SOLD SEPARATE Fuel Bowl 2
11 9652   SCREW Fuel Bowl to Carburetor 2 disc.
12 NSS   NOT SOLD SEPARATE Fuel Bowl Screw 4
13 9022   NEEDLE AND SPRING Inlet 2
14 1457   JET Main Fuel (.057) 2 disc.
15 7335   JET (.098) Economizer (.098) 2
16 64677   VENTURI 2
17 8665   SHUTTER Choke 2 disc.
18 NSS   NOT SOLD SEPARATE Choke Shutter to Choke Shaft 4
19 NSS   NOT SOLD SEPARATE Idle Mixture 2
2 NSS   NOT SOLD SEPARATE Large Body Channel 2
20 NSS   NOT SOLD SEPARATE Idle Mixture Screw 2
21 NSS   NOT SOLD SEPARATE Fuel Pump 2
22 9653   COVER Plate (Upper Carburetor) 1 disc.
23 9654   COVER Plate (Lower Carburetor) 1 disc.
24 5132   SCREW Strainer Body to Carburetor 8 superseded
25 9020   SHAFT Throttle (Upper Carburetor) 1 disc.
25 9656   SHAFT Throttle (Lower Carburetor) 1 disc.
26 92880   LEVER Throttle (Upper Carburetor) 1 disc.
27 20847   SCREW Throttle Lever (Upper Carburetor) 2 superseded
28 97   LEVER Throttle (Lower Carburetor) 1 superseded
29 6027   SCREW Throttle Lever (Lower Carburetor) 1 disc.
3 NSS   NOT SOLD SEPARATE Body Channel 6
30 9649   SHUTTER Throttle 2 disc.
31 NSS   NOT SOLD SEPARATE Throttle Shutter to Throttle Shaft 4
32 757911   GASKET Carburetor Flange 2
33 64809 NUT Carburetor Mounting Stud 4 disc.
4 96773A1   SHAFT ASSEMBLY Choke 2 superseded
5 NSS   NOT SOLD SEPARATE Return-Throttle Shaft 2
6 7211A1   BAFFLE Fuel Bowl 2 superseded
7 9293   FLOAT 2
8 NSS   NOT SOLD SEPARATE Float Retaining 2
9 5127   BOWL Fuel 2 disc.