Hi if the machine is say 5 years old or more sorry you have had it Mccullochs went bust a few years back & you can not get bits for them a japanes firm took them over but only supply parts for newer models I know cos I rang them about parts for mine I have a blower & a chainsaw Mcculloch they said get rid of it So there we go Sorry. hope this helps.
nottendjim ( mechanic)
November 2006