Exhaust Extension Kit Installation
Installation Diagrams
1.
Install appropriate exhaust extension (see “Addi-
tional Kits”) for MCM Models with thru prop ex-
haust, using two hose clamps at each end.
IMPORTANT: Remember what type of gasket
(open, restrictor or separator) is on exhaust man-
ifold after removing the exhaust elbow.
70622
a
A
B
b
a - Restrictor and Open Gasket
b - Separator Gasket
50930
1.
Position gaskets (REFER TO EXPLODED
VIEWS “A” OR “B” ON FOLLOWING PAGES),
install elbows to risers and attach using nuts
and washers from kit. Torque to 23-32 Ft. Lb.
a - Cut Along Bottom Edge Of Welt For With 3in. (76 mm)
Riser
b - Leave Full Length For Use With 6 In. (152 mm) Riser
(32-43
N·m).
Typical Exhaust Extension (See “Additional
Kits” at Front of Section for Kit Part Number)
2.
3.
Tighten hose clamps securely.
Upon first start-up of engine check for leaks.
Index
90-823224-2 796
RISERS - 7C-3
Product Specification
Categories | Mercury MerCruiser Manuals |
---|---|
Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
Model Year | 1993, 1994, 1995, 1996, 1997 |
Download File |
|
Document File Type | |
Copyright | Attribution Non-commercial |
Hugely helpful service manual! Perfect. Thank you!
Manuals are all Important for Technician
This book is invaluable if you do your own repairs. Great book.
Could not find a copy until a search brought me here.
Excellent print.
Thank you