Speedzilla Motorcycle Message Forums - View Single Post - Plugs for high-comp pistons?

#2 (**permalink**) 08-09-2005, 12:59 PM

I put Wiseco 11:1 FBF pistons in my 900 and I use the same Champion plugs the manual recommends (I forget the #). They work fine. I also use 85-87 octane gas (depending on elevation) with no pinging problems.