evinrude SPL question

[rileychad]

I have just aqired a old 1970 terrybass boat with a evinrude SPL 28 hp engine and it has a wired marking on the side where the fuel line goes and I was wandering what it means
and if anyone could help me out on finding the year of it
the model number is:E28ESLCCR
thanks
cr

 

[racerone]

It is a 1988 model.-------Hopefully the previous owners ignored the 100:1 mix sticker and ran it at 50:1 gasoline oil mix.

 

[rileychad]

so it would be best if I ran it at 50:1 mix
or 100:1 mix and still what does it mean
thanks
cr

 

[roscoe]

That experimented with 100 to 1 fuel mix, for a few years.
The motors generally ran ok with few ill effects.
But, there was not enough corrosion protection, so they went back to a 50 to 1 ratio.

 

[racerone]

Why the question ----" what does it mean "----- in this case ?-----Is this your first 2 stroke motor ?

 

[emdsapmgr]

The guys are right on target here. After the failed experiment of running the small engines at 100/1, OMC issued a service bulletin RETRACTING the 100/1 ratio. They even went to far as to discuss how to disable the special 100/1 fuel tanks which sold with these engines.

 

[racerone]

Or is the poster possibly asking about a sticker for the ----AC lighting----on some of these motors.---That has wires !---Or is it ' weird " that was not spelled correctly ?

 

[oldboat1]

boy, wouldn't that be wired.

(sorry)

riley -- what say ye? asking about that fuel ratio sticker?

 

[Vic.S]

I have just aqired a old 1970 terrybass boat with a evinrude SPL 28 hp engine and it has a wired marking on the side where the fuel line goes and I was wandering what it means
and if anyone could help me out on finding the year of it
the model number is:E28ESLCCR
thanks
cr

The model number tells you

E= Evinrude
28 = 28hp
ES= Electric start , Special
L = long shaft (20")
CC = 1988

As said in previous posts the sticker in the photo indicates that it was originally spec'd to run on a 100:1 fuel mix. That is 100. parts of gasoline to 1 pat of oil .

However the switch to 100:1 in 1985 until about 1988 proved to be a ( costly) mistake. I understand that many heavily used motors simply suffered from engine failure due to lack of lubrication while others seized during out of season storage due to lack of corrosion protection.

A service bulletin, issued ca 1988, advised that all premix motors should be run on a 50:1 mix, that dealers should remove the 100:1 decals and that owners manuals should be amended accordingly.

Therefore remove the decal, amend your manual and run it on a mix of 50 parts gasoline to 1 part oil ( that's near enough 1 pint of oil in 6 gallons of gas) using regular gasoline and a TCW3 2 stroke outboard engine oil.

 

[racerone]

Folks have to accept that when an oil mix goes from 50: 1 to 100:1 with no changes to the motor then it is a MARKETING decision .----It is not based on any scientific facts.----I could accept a mix of 72:1 if lab research backs that up.----Marketing is what it was !----Dealers reported many folks walking out saying " your motors are no good since they do not run on 100:1 "

 

[rileychad]

Thank yall for all the help