now mate , am new on ere to , i ave the fz1-n on a08 reg ad it since may it only ad 3500miles on it wen i got it . it was given a service from the bike shop b4 i picked it up so its nt yet needed a service so couldnt really say bought the price of one yet but as far as runnings costs they re agud buy , they can drink the petrol if yr blastin every where but if taking it steady ave ad 150mile to tank but that was aone off comin bak from nw200 as i was still rough haha !! sorry cant answer more questions 4ya !!