i have a 1990 lt 80 it's bored one size DG pipe K&N filter head is ported and polished what would be my best bet on changing the MJ any help would be greatful
i have a 1990 lt 80 it's bored one size DG pipe K&N filter head is ported and polished what would be my best bet on changing the MJ any help would be greatful
With a "ported head" I'd say 87.5 or 90 main.
As allways, let the plug color guide you.
2000 GNC 5N\
2001 GNC 9N \ 40+ class
2004 GNC 9N /
2014 rock crusher "GO tortoise GO!"
2016 Byrd Rooster
Father of the "11" time National champion,and worlds fastest woman ATV racer
A few fast LT80's
250R~300cc's
300ex
350 Rancher
Kymco Mongoose
Survivor of the 12 Hours of ATV America 04 and 05