Why does motor cycle die when it gets hot ?

Sounds like you got some bad gas. May need to replace the fuel filter

The gas filter is clogged up.
It's in the gas tank. You should buy a new gas pump and it comes with a new filter. This will kill two birds with one stone.

Empty out the old gas and refill with new gas, check for broken or cracked fuel hose(s),also change the fuel filter, put in Seafoam Motor Treatment into the gas tank and let it sit to clean the deposits in the fuel system then after its started let is burn all the gas and Seafoam thats in the tank, ( follow directions on the Seafoam bottle ) you will likely see lots of thick white smoke, but its nothing to worry about, its just cleaning the deposits by burning the deposits, once you see little or no smoke its good to drive that boat again, while working on that boat, it would not hurt to have clean, air filter and new spark plugs to help keep the motor running smoothly and keep it running good.

Ok mate few things to consider here, if the bike has been non started and stationary for a year there is a very good chance that one of the following or all of the following has occurred.
Your battery is dead (they don't like just sitting - doesn't matter new or old, if left for extensive time they will die) Your gear / motor oil would be useless - oil can not just sit in bottom of bike for a year it would be glue
Your carbi would be blocked or partially blocked from fuel gum or varnish in jets
If you like this bike I highly recommend oil and filter change, New spark plug (put about 10 drops of oil down the spark plug hole before you put new spark plug back in to lube the piston) clean air filter (or fit new one) Remove carbi and compressed air clean all jets especially the pilot jet and circuit and stick in a new battery
Once all done for the fist start I would find a nice safe hill and push start it. in my experience under this circumstances if you rely on the electric starter you may find you burn it out trying to start so give at least few minutes running motor to flush everything through before trying to electric start would be your best bet
When you get it going I would dump the oil and oil filter again after 2 hours ride time to confirm all the old expired oil is flushed out - just to be safe
good luck regards Jamie

Check that the carburettor and fuel lines are clean. If the unit has not been used for a while the gas (petrol) will evaporate leaving the oil behind to choke up the fuel system. Dirty fuel will do the same. When adding fuel use a funnel with gauze filter in it and always empty the fuel tank and then run the motor until it dies when you've finished work.

Did you also drain the carbs when you drained the tank? You may have a vacuum controlled fuel valve which won't let the new gas into the carbs. If you can crank the motor long enough it should open and fill the carbs. Otherwise you can **** on the vacuum hose for half a minute and open the valve to fill the carbs that way. If it was sitting for a year or more it will likely need a carb cleaning, but it should run on new gas if it ran on old gas. Also if there is a fuel pump make sure it is working and any filter or screens in the tank fitting or inline that they are not blocked.

it's not that your not gettin gas it's that the gas is not getting thru the carbs to the engine. your bike will probably start w/choke on and then die, your jets are clogged and happens to most bikes that are stored w/gas in the carbs.,,,clean them if you know how or take it to a trusted mech...good luck to you...Tim

you could have water in gas,look in the gas tank for any bubbles floating on bottom of tank this is water empty gas from tank and remove carburetor bowl too remove water from it .