Any old outboard experts here?

torosapo

May 11, 2011 18:21

I have an old Sears 3.5 horse outboard and I am not sure what the gas/oil mix should be. Any help would be appreciated.

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  tskry

  May 12, 2011 08:24

  I run 40:1 in my old sea-king,, It smokes a little but its not fouling the plugs,
  You can try it a little leaner if you start fouling,
  I always thought that a little too much oil in the gas is better than too little.

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  wpage

  May 12, 2011 08:31

  Agreed. Its the standard for most 40:1 mix.

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  torosapo

  May 13, 2011 07:50

  Thanks guys, I wasn't sure and didn't want to burn it up running too lean.

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  torosapo

  May 13, 2011 07:51

  BTW does anyone know who made the older Sears boat motors?

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  wpage

  May 13, 2011 10:12

  It is probably a Clinton... Try this link for info,,,
  http://www.cheapoldboats.com/old_motor_parts.html

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  torosapo

  May 13, 2011 17:12

  Thanks

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  MMOMEQ-55

  May 14, 2011 06:22

  A little smoke is good. If she ain't a smoking then she don't have enough oil in her.

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  deerslayer3

  May 14, 2011 06:41

  One solution may be using the synthetic 2 stroke oil from the lawn & garden section. One packet mixes to one gallon. This will do ALL ratios. Oregan, Lawnboy, and another is some I see at my local Ace Hardware. I use them for my chainsaw, trimmer, 78' Lawnboy push mower ,and a 63' Evinrude outboard.

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