89 WR500F Problems

[supra111]

hi i joined this forum so i could mabe get help i have a 89 yamaha waverunner 500F and im wondering what could be wrong it runs for about 5 to 8 mins and then dies when i pop the hood it smokes heavily i blew out all the hoses and checked the compression blew out the dust out in cilnders checked fuel lines to see if its just cutting out but all of its fine and its still overheating it has no pee holeso no water excapes out the back is that how its supose to on that model/yr i think maby i dont have all the hoses on the engine ill try to put some pics soon but if some one could help find a pic because i cant find one that would be great so i can see how its supose to be set up sorry for the long letter i am just trying to get it all down but anyways thankyou for all your if hopefully any