Service manual
MERCARB 2 BARREL CARBURETOR
SERVICE MANUAL NUMBER 26
90-861329--1 MARCH 1999 Page 5B-29
AIR HORN ASSEMBLY
IMPORTANT: Accelerator pump assembly MUST BE installed correctly. If pump
assembly is installed incorrectly, top of pump assembly will contact air horn casting.
1. If accelerator pump assembly was removed from pump lever, secure pump assembly
to pump lever with washer and retainer clip, as shown.
72409
a
b
c
a-Pump Assembly
b-Retainer Clip
c-Pump Lever
2. Insert pump shaft and lever assembly (and washer) into air horn; then, align indexed
hole in pump lever with shaft and lever assembly and slide shaft all the way into lever
so that shoulder on shaft is hitting lever. Tighten setscrew securely.
72398
a
b
c
a-Setscrew
b-Lever Assembly
c-Pump Assembly
INDEX