Using old gas. If you're running it with gas put into an old fuel tank that hasn't been cleaned the new gas will dissolve the old gas/varnish which will become varnish again when you shut it off & the fresh gas evaporates, sticking the valves shut. Clean or replace the old tank, lines & fuel pump & the problem should go away.


Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.