Hotter plugs for 73 Evinrude 65hp

[paulholcomb]

I was told that I should inves

I was told that I should invest in a 1 or 2 step hotter plug for my 'rude!! I know that in my stock car hotter plugs do wonders. I don't know marine motors that well though. I'm still learning. What would a hotter plug do to my engine. Would I be wasting time and money going hotter?

 

[joereeves]

"Paul.... The proper spark plu

"Paul.... The proper spark plugs for that engine is the Champion QL77JC4 plug gapped at .040 .

A hotter plug than that will result in piston damage.

If the engine does not run properly with those spark plugs, the problem lies elsewhere."

 

[paulholcomb]

"I did find that plug number i

"I did find that plug number in my owners manual, however, it says that they are pregapped!! Should I check the gap at .040 anyways?"

 

[galamb]

"Check the gap Paul, a kinderg

"Check the gap Paul, a kindergarden child in China probably manufactured the plug...."

 

[doug_bryant]

"<[img]"http://www.marineengin

"

This is what hotter than recommended plugs can do to your motor."

 

[paulholcomb]

"ouch.....atleast it's all

"ouch.....atleast it's all still there!

My racecar engine got a little hot once.....after removal of the head, I found pieces of the piston burned through completely through the center!!"

 

[willard]

Good picture Doug. A picture i

Good picture Doug. A picture is worth a thousand words.

 

[doug_bryant]

And the best lessons sometimes

And the best lessons sometimes are learned the hard way!

 

[spaceghost]

thanx guys for info ...was jus

thanx guys for info ...was just looking for proper plug gap!info on here is great!