Light: I think you would need a charging side of a stator. I'm unsure if it has one.
Reliability: you bought the most reliable mini made. Close to stock is best (IMO).
If you want to spend money, a good set of shocks would be a wise investment.
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