Welcome to the forums.
You need to find out what's leaking. Nothing should be able to leak from the head and/or base gasket.
Find that, also see if the carb is leaking fuel out.
I'd like to know what the compression is now.
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