Most gasgas bikes drag to some extent while in gear. the right oil helps alot. The best fix is the shim, hands down. Just installed it on my 97 GG 250ec and it doesnt drag at all, or slip. The shim is available from Steve@motowest for a pidly 3 bucks. The best 3 bucks I ever spent!
Cruiser
97 GG 250ec
Cruiser
97 GG 250ec