Quote Originally Posted by Shed tuner View Post
take the stock/ shroud off, remove end cap and spring, check power adjuster is not buggered.. or just unscrew the course threaded collar and remove. if it still won't fire get a large puch and a small hammer and the tap the vale stem directly.
If it is the valve stem what could have caused it to happen? Maybe it was not the hammer spring last time then jon? Would fitting the uprated valve stem cure it if it is the valve stem jon?