[hazy]

alright i have a yfz 450 with a 4mm crank 14:1 piston and some cams puttin a lectron 44mm on it was wondering what plug do i run on that thing with the alky? im trien to get it rollin by this weekend

 

[travis fulton]

try a couple colder than stock, and open the gap up a bit

 

[dylan]

i use a 9, .018 or .022 gap