Question about H/P ratings...

Zaairman

Seaman Apprentice
Joined
Jun 16, 2006
Messages
39
So, I'm looking for a new(er) outboard motor for my boat. The 1973 Chrysler 135 isn't cutting it anymore, mainly cause it's a 115HP (+/-) by today's standards. I know that ALL of the manufacturers swtiched to the new HP ratings by 1983. Any idea when Merc did the switchover? Thanks..
 

Zaairman

Seaman Apprentice
Joined
Jun 16, 2006
Messages
39
Re: Question about H/P ratings...

Also, the motor I'm looking at is a 1979 150 HP.
 

jrampey

Petty Officer 2nd Class
Joined
Jan 22, 2005
Messages
157
Re: Question about H/P ratings...

1982 was the year that Mercury stopped calculating HP at the crank and started rating it at the prop.
 
Top