I recently installed a set of V FORCE REEDS on my F7. Since then, it takes 3 or 4 pulls to start when the sled is warm. I also notice that my RPM at idle droped by 200 to 300. It used to idle between 1700 and 1800 RPM, now it idles between 1400 and 1600 rpm causing the digital display to disapear. Has anybody else had these problems ?? I would appreciate some feedback.