hi,is this petrol give all the lead's a good spraying with wd & the spark plug,also carb, empty the fuel & refill with fresh fuel,you could remove the spark plug give it a clean with wire brush &reset gap about .032" or the thickness of your thumb/finger nail,then reconnect the spark plug lead & pull the cord (do not hold the spark plug ) to see if the plug is working (sparking)if so refit plug & lead prime the fresh fuel through & give it a good pull but don't forget your choke hope this help's
steray
February 2008