I HAVE NOTICED ON LONG TRAIL OR SINGLETRACK RIDES I SEEM TO GO THRU OIL... NOT MUCH BUT ENOUGH TO WORRY MYSELF ABOUT SO I FOUND A PLACE ...JOE RACER PRODUCTS ....THAT MAKES A EXTRA RESIVOUR THAT GOES REPLACES THE OLD FILTEER COVER AND TUCKS UP AROUND THE RADIATOR....THE FUEL IS SO I CAN GET MORE THAN 90MILES BEFORE I FILL UP