My Brother gave me a 90' kawasaki 650 sx and hasnt ran since 1995, i have changed the spark plugs and the fuel and took the air filter off. and sprayed som fog oil down the cyclinder's. i hooked water up and tried to start it the other day, well it started but only for a few seconds, the i put fuel down in the carb and it started again but then the same thing happened? What do i check next? If anyone can help please!!!!!