hello i have a problem with my 1998 vtr1000 firestorm when i pull off at high revs it jumps up the road but only on pull off when im goin i can pull back the throutle and it gos like a bat out of hell but just cant seem to pull off at any fast speed have to keep below 3000 revs or i kangaroo down the road any one no why this might be ? thanks mike