1974 merc 20hp fuel mix and impeller

kprey73

Cadet
Joined
Mar 10, 2009
Messages
23
just got this motor, 1974 merc 20hp wondering what the fuel mix ratio is? also I need to change the water impeller, is there any online manuals available?

thanks much
 

Texasmark

Supreme Mariner
Joined
Dec 20, 2005
Messages
14,836
1 pint of TC-W3 water craft rated oil (wall mart sporting goods section...pennzoil) to 6 gallons of regular gas.

Look at the top of this page and get into the Boat Parts and Accessories section where you will find Seloc Brand manuals. I have used their online subscription and used a Merc. OEM at the same time and liked the Seloc better. You can rent time and have the manual instantly, or buy a paper copy and wait for it to arrive.
 
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