Quick Question

[beringersd]

I have a Johnson 15 Sea Horse<br />Model # 15R745<br />Can anyone tell me what year this is and what the gas to oil ratio is?<br />Thanks<br />Jay

 

[Droll]

Re: Quick Question

15R74 = 1974 <br />50:1 16oz oil for 6 gal gas <br />= 2% oil

 

[beringersd]

Re: Quick Question

Hey<br />Thanks for writing back on my questions. I must have written the wrong number down on my Model Number. So the 15 is the HP and the 74 is the year, so what is the R mean? I wonder why I put a "S" on the end of 15E74S?<br />Thanks for all the info.<br />Jay

 

[beringersd]

Re: Quick Question

I can't type very well what I meant is I wonder why I put "S" on the end of 15R74S.<br />Sorry for the trouble.<br />Thanks<br />Jay

 

[Paul Moir]

Re: Quick Question

R stands for 'Rope start' where E would stand for 'Electric start'. An L in there would be a Longshaft (20") engine, for example a 15EL74 would be an Electric start Longshaft 15hp engine.<br />I belive the S tagged on the end is just a production run code. It's really meaningless to us.<br /><br />Hope that explains it! <br /><br />Oh, and if you make an error in your post, just click the 'Edit Post' icon on it. Then you can make your corrections.

 

[beringersd]

Re: Quick Question

Paul<br />Thanks for the info, enjoying learning new things all the time.<br />Do you agree with Droll on the gas to oil ratio? 50:1?<br />Thanks<br />Jay

 

[rickdb1boat]

Re: Quick Question

50:1 mix is correct for your motor...

 

[Scuda11]

Re: Quick Question

Droll, eng looks great! Did you bead blast it before priming/painting,it looks awesome.

 

[Droll]

Re: Quick Question

Thanks ,used paint stripper + wirebrush (on drill ) only