Yamaha YSC-10192-21-0C Exhaust Riser Elbow Hose Boot 4"in Sterndrive 4.3 5.0 5.7 Crankshaft This is from a 1937

This is from a 1937 Evinrude Sportwin 2

274000053 Tuned Exhaust Pipe Assembly (274000080)

The pressed-on bearing on these Should probably be replaced but this is up to your discretion

1980 1981 1982 1983 1984 1985 1986 1987 1988 1989

Mercury Quicksilver 248-8722A15 Flywheel Assembly

Yamaha YSC-10192-21-0C Exhaust Riser Elbow Hose Boot 4"in Sterndrive 4.3 5.0 5.7 Crankshaft This is from a 1937Part Number(s) Included Yamaha YSC 10192 21 AC Exhaust Riser Hose Boots (4") This could possibly be YSC 10192 20 AC as well as there are 2 references for this boot on the diagram. I am unsure on this. This set came from a V8 These go between the riser and the elbow tube You get the pair as pictured General Application Compatibility All Yamaha GM V6 4. 3L & V8 5. 0L 305 & 5. 7L 350 Sterndrive Applications 1989 1990 Other Details Freshwater Used Parts