Best spark plug?

B

bassarama

Junior Member
Guys , the other day I bought a set of NGK spark plugs and installed’em on my 150 Ocean Runner, I adjusted the gap at .035 as recommended and went to the lake for a spin. The motor ran at the same top speed but it sounded a bit rough at idle.

With your vast experience with OB’s, what spark plug has performed best for you guys?

Thanks

Joe
 
Guys , the other day I bought a set of NGK spark plugs and installed’em on my 150 Ocean Runner, I adjusted the gap at .035 as recommended and went to the lake for a spin. The motor ran at the same top speed but it sounded a bit rough at idle.

With your vast experience with OB’s, what spark plug has performed best for you guys?

Thanks

Joe
 
It depends on the make of the engine is my opinion. JOHNNY-RUDES like there CHAMPIONS and your imports seem to run best on NGK's. MERCURY's are a toss up in my opinion.
 
It depends on the make of the engine is my opinion. JOHNNY-RUDES like there CHAMPIONS and your imports seem to run best on NGK's. MERCURY's are a toss up in my opinion.
 
i hate Champion plugs, they break easy, & rust quickly, but I haven't seen a John-Rude yet that didn't run better with them than other brands. I run NGK on everything but John-Rudes
 
i hate Champion plugs, they break easy, & rust quickly, but I haven't seen a John-Rude yet that didn't run better with them than other brands. I run NGK on everything but John-Rudes
 
NGK in my Yamaha, But there are Champs in the Evinrude, I will replace with same since it seems to run great with them.
 
NGK in my Yamaha, But there are Champs in the Evinrude, I will replace with same since it seems to run great with them.
 
Bass, I've got the same motor and I have always used the Champions, always ran well, never felt the need to change. Plus it is what the factory manual recommends so I stayed with 'em.
 
Bass, I've got the same motor and I have always used the Champions, always ran well, never felt the need to change. Plus it is what the factory manual recommends so I stayed with 'em.
 
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