hey guys i have a 2002 yamaha yz250f. i recently went out riding and notice the bike will not idle. i let it sit for a while then got a carburetor rebuild kit, and put a new spark plug in it. i finally put new jets in the carb and everything. the bike took alittle while to start but i got it started. the bike will run only when i have the choke on when i take out the choke the bike will die. so i run the bike for a while with the choke on and he bike got hot and i heard the coolant sizzling so i turned of the bike.
anybody have any ideas on what can be wrong????