Hi Borus
Flywheel weight has to be bought seperately.
I found it to be a must, I tried it without - not recommended! Kept stalling (too much top end)
Factory Kev has ridden it and says it's spot on ! That'll do for me!
cheers John
hi all
purchased one of these kits from Gas Gas uk about a month ago after riding factory kevs
wow what a diffrence ,fitting was easy, setting up a little more difficult to suit my way of riding
transformed my 125
all i can say is a 250 that revs like a 125 and so smooth at the bottom end it
is now a 125 with a hell of a attitude [ 225 really ]