Just curious as to what kind of spark plugs you guys are running in your bikes? Which brands seem to run best?

 

HD GOLD [sm=burnout.gif]!

 

stock plugs are best or the gold. the screaming eagle ones causes codes to be thrown or at least on mine it did.

 

I use regular Champion RA8HC. Works for me.

 

i prefer autolite, have run them for over 35 years in my chevys. local dealer says he has not sold H-D gold in over 2 years. seems odd.
he said most buy the platinum. i wouldn't take platinum if they were free. the metal is very hard so they run hot and are poor conductors which is why they last so long. almost any new plug will run better than worn out plugs they replaced. i have champion 810 copper cores in my RK right now. under $3.50 for two at any parts house.

 

Ive run the SE Plats for years with no problem

 

Stock plugs on a stock engine is all you need. But its your money.

 

Stock plugs for me. I ran the SE plugs but it did not run as good as it does with the stockers

Bubba

 

Champion

 

HD 6R12 Stock!