Clarkes iG2200 inverter generator puchased july 1st 2011 12 month garrentee,cost £479.77. Worked for 12 hours over a 7 day period, not worked since been in to phoned machine marts tech department and it sent to them in Nottiningham they had it for 2 weeks sent it saying spark plug faulty air bubble in fuel line. Brought it home couldnt get it started. Took bach to store chap took it into the back of shop came back said can you hear it runing well i could hear a geni running but didnt see them start it or that it was mine. Home we came couldnt start it. Took back to store they could not start it. It was sent back to tech dept with letter from me refusing the item we had had the geni for 4 months by this. I asked for a replacement or refund. Got a letter from there head office saying awaiting engineers report, then a letter saying it was working ok and refusing refund or exchange. Brought it home would not start took back to store thay could not start it. This was the 1st dec 2011. The store got thier local engineer to look at it, he could not start it but he said the spark plug was coked up and was a cheap and nasty spark plug. Put a different one in after struggling with it for 2 days he got it started. We brought it home on the 16th dec 2011, have tried to start the generator several times since then it wont start spark plug coked up again. Card company legal dpt took it up but wont help they say its up to me to prove it wont start not the to prove it will. Help please