I have a petrol mulcher that has a Kawasaki fc150v engine in it. Its been up in the shed for about 2 years and i haven't been able to get it to start. In total its only had about 5hrs run time if that since purchase when new. I've checked the fuel lines, given it a new spark plug and changed the oil and it still doesn't start, not even a kick. Any suggestions with how to fix it would be great.