merc 4 cyl 45 vs 50

stp242

Cadet
Joined
Mar 28, 2007
Messages
15
whats the difference in the 45 cyl and 4 cyl 50. i owned a 1970 50 hp for 7 yrs. used primarily in salt water. fishing trawling and crabbing. lot of usage in
extreme south la and cape hatteras nc. never had a problem and did preventive maint. Just picked up a l987 45 power tilit and trim.($350) runs well and
trim works. stainless 15 prop. got control and ignition switch wiring worked
out thanks to forum. putting on 16 terry citation bass boat. Katrina salvage hull and trailer.
 

jimmbo

Supreme Mariner
Joined
May 24, 2004
Messages
13,442
Re: merc 4 cyl 45 vs 50

same engine 44 cubic inches

1970 50hp crankshaft rated
1987 45hp propshaft rated
 
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