Put a stm slipper clutch in yesterday and I'm getting a pulsing feeling throu the leaver when changing down the gears is that normal .but the stm is working as the back wheel isn't bouncing about when goin down the gears the main problem I have now is the clutch is slipping bad when the bike was warmed up on acceleration new clutch kit when I put the clutch in can anyone shed some light on what I may have done wrong