wont start

:banghead: plz help me i have tried eveything new stater and bat. new ht leads and plungs it still wont start its not the petrol i know that if anyone has any ideas plz help will be very tahankfull thanks

:banghead: plz help me i have tried eveything new stater and bat. new ht leads and plungs it still wont start its not the petrol i know that if anyone has any ideas plz help will be very tahankfull thanks
when you say it won't start, does it turn over? fast enough? spark at the plugs? any work done before it stopped? timing, air filter coil etc? they will help us numbnuts help you out!