COLLECTORS
SERVICE MANUAL NUMBER 23
Page 7D-14
90-861326--1 MARCH 1999
Installation
1. Install muffler, as shown, into exhaust hose and molded tube. Fabricate muffler to tran-
som using 4-inch I.D. exhaust hose, cut to required length.
NOTE: Removable end of muffler ALWAYS goes toward exhaust elbow. This places direc-
tion marks on muffler body casting at the upper rear corner on the port side.
72783
IMPORTANT: A MOLDED exhaust tube MUST be used at exhaust elbow connection
to maintain positive separation of exhaust outlet and muffler inlet.
72781
d
d
a
b
c
a -
Muffler
b -
Molded Exhaust Tube - Muffler To Elbow
c -
Exhaust Hose - Muffler To Thru-Transom Fitting - Cut To Length
d -
Double Clamp Each Connection (Not Shown On Hose C)
2. Double clamp each connection. Tighten each clamp securely.
IMPORTANT: After starting engine, check installation for leaks.
Maintenance Instructions
Maintenance inspection is owner’s responsibility and must be performed at intervals speci-
fied in owner’s Operation and Maintenance Manual.
1. Check exhaust elbow attaching nuts for adequate tightness [20-25 lb. ft. (27-34 N·m)].
2. Check hose clamps for adequate tightness.
3. Periodically check tubes/hoses for soft spots, brittleness, cracks, and general condition.
Replace as necessary.
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