Ok squids....OP I would not buy the bike Look around there are much better deals get a 250f you can find them for 2200-3000 for anice bike spend the extra money and get a bike that you will enjoy alot more! As for maint. They both require alot! I currently ride kxf450's and am racing mx at as a pro rider ...oil is changed every other ride airfilter claned every ride top end every 3 months tires every other week It all adds up no matter what bike you have!