i don t think they need any more looking after than a wr oil changes and air filters about the same front sprocket seal set up is not very good on ktms valves last just as long .just have to fix factery faults oil pump seals crank seals cam chain tensioner on 08 models dealer should do seals for warranty .wr are race bikes anyway keep bagging them ktms out its fun problem is i like yamahas to much to bag them out but they do need another gear