35 hp Evinrude spark plug

[santowa]

Hi there,<br /><br />I have replaced the spark plug with a champion <br />L77JC4 (the old plug was L77J4). Now the engine won't start. Is is because the L77JC4 is not the right plug for this engine?<br /><br />Thanks a lot

 

[ob]

Re: 35 hp Evinrude spark plug

What year 35 hp are we talking about?

 

[santowa]

Re: 35 hp Evinrude spark plug

It is 1978

 

[ob]

Re: 35 hp Evinrude spark plug

That engine calls for QL77JC4 gapped at .030".See your first post for my 2 cents on your starting issue.

 

[santowa]

Re: 35 hp Evinrude spark plug

Thank you very much. Since I do not have spark plug gauge, is there other way to set up the gap correctly?<br /><br />Thanks again,

 

[ob]

Re: 35 hp Evinrude spark plug

Standard flat feeler guages work for me.

 

[santowa]

Re: 35 hp Evinrude spark plug

The spark plug was dark and not so dry. <br /><br />Thanks