06-28-2012, 02:54 PM
you can they just wont last anywhere near as long. WR450f's will go 10k miles and may not even need valves adjusted, oil change every 800-1500 miles thats not bad. mx motors every 20 hours oil change, valves go out in them after a while. not at all good for streets or a lot of miles but for lots im sure they last pretty good. i know moores lasted a few years for him but he only lot rides it with little street as he doesnt make um street legal.


