i put the oil and tranny treatment in my moms saab (did a whole big tune up today), but the car ran a whole lot smoother and the tranny shifts alot smoother also. on the bottle it says its recomended for "performance bikes". since i wheelie my bike every block and beat the hell out of it i thought i would put some of the oil treatment that i had left over in.......i ll let u know if there is any difference on the bike.......btw does anyone use this stuff in their bikes?????