Right then first of you have to take your theory test ....... fookin thing

Then seeing as though youve never been on a bike your looking at a 5 day DAS which is about £500 although check MCN for exact rates

Insurance will be cheap if you go for TPFT as theres many speicalists in this area of cover , get yourself the bike trader and play them off against each other

Tax for a bike like mine is £60 a year , and fuel wise I put in say £10-£11 and get 160 miles before the reserve so say 175 miles full to empty , and I dont exactly ride it like Miss Daisy either

As for your first bike that depends on what you want ? Sports or Commuter