Simon
I have the same chainsaw and have had similar problems. I found that it is critical to get the petrol/oil mix correct. Maybe a change of spark plug at the correct setting might help
Regards
Nigel.
Nigel
December 2011
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix circular saws.