Ok.. so i have 98 Kx 125... just bought it a few days ago. Today I drained the old gas out and put new in with a 32:1 ratio.. and put a new plug in.. when riding after about 15 mins the bike just fouls out and dies? It also doesnt really smoke at all when riding. Maybe i need a few steps colder plug???? fk idk, any help would be awesome.. thanks