I got this atv on 6-10-15 used replaced spark plugs had tk fix the carb it leaked gas now it runs good but one problem i had the fan start up in the morning while it was starting up then it ran for 3 seconds the fan shut off didnt think anything of it went riding for about a hour the temp indicator came on within 10 mins of riding i ignored it thinking it was messed up then the coolant was boiling because it was hot the plastic tube going to the radiator broke and had coolant on the ground so the fan wont start up anymore i dont know how to hotwire the fan to run all the time until i get a new sensor or something.... Anyone have a idea what i need? i forget what sensor it is that makes the fan turn on when it gets hot i need to get the fan going i have tilling to do with this 600 sportsman anyone got a detailed description on how id do such a thing to get the fan working so it stops overheating? drives good and no the head isnt leaking the oil isnt milky at all it has like 3700 hours on it i believe.... SOMEONE HELP ASAP THANKS FOR ALL THE INFO GUYS ???