The R1 in 05 was slated by the press for being gutless at bottom end and mid range (gutless compared to the other three IL4 1000's that year)
getting a fill up
photos!
No you just need the suspension setting up for your weight / riding style, more reputable places will do it for £40-50 and will do minor adjustements after for free.
And yea I know the wheels are filthy, but I bought them like that honest once the bike is up and running the whole thing is going to be repainted anyway!
Im not an expert on painting but yea try a rubbing compound first, but if the cracks are deep then really it needs sanding back and repainting...