travelling around europe by motorbike on €60 per day will leave you with little change. travelling 250 km, on the average bike, will be almost €20 per day. any daily change from the fuel kitty can be put aside for the tyre and oil/filter changes.
if you have unlimited time, have you thought about cycling ? Europe has a network of cycle routes, spanning the whole continent and touching most capital and major cities. have a look for 'euro velo' on the web. there routes are here:
http://upload.wikimedia.org/wikipedi...f_EuroVelo.png
the good thing about these routes is that they allow follow these rules:
no gradient greater than 6%, sealed for 80% of its length, average less than 1000 motors per day and have shops every 30 kms.
though you need, and shouldn't, only stick to euro velo routes. these are just to give you an idea.
the major plus point for cycling is cost, when you have unlimited time. you could be on the road for a cheap €300. obviously, you could also spend €1000+, but you don't need to. Once you've bought the bike and a couple of bags, that's pretty much it. you just need to keep feeding yourself (which you'd presumably be doing anyway), and the whole of Europe is available at marginal cost. there's no insurance, tax, etc. and you don't need any specialist gear, you can cycle in normal clothes.
having motorbiked around/through europe for the last 15 years I'm bored of how much it costs these days. I've never met a poor motorbiker tourists in europe. Though maybe these days you are a poor biker if you don't have a GPS ?
Conversely, I realised since I started cycling instead, it really is surprising how cheap it is. And how many cyclists I've met who travel huge distances, on a fairly regular basis. the main cost of cycling is time. the main cost of motorbiking is €'s.
cheers,
Doug