Stock is 92.5
I sent the 87.5 cuz they are jetted fast as heck and can go down that much IMO.
Put the CT on and see what it does. good/bad/top end sputter/plug color/etc.
You may ned to talk to me about clutch tuning for that pipe.
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