I bought a kl250 for $120 locked up an less then 8´000 miles I fixed it road it for couple months now new thermostat new head gasket clutch plates plug oil antifreeze now one day it got hot I looked blown head gasket changed it started it blow head gasket now now it never bubbled an now I road it four miles an it died but antifreeze wasn´t hot blow head gasket why an fan is hot wires to a swicth so can anyone help took pump cover off kicked it over an pump spins