MY BUDDY JUST PURCHASED A RANGER WITH AN '92 XP150 IT RUNS FINE UNTIL YOU GET BETTER THAN 3/4 THROTTLE THEN IT DEVELOPS A MISS/HESITATION,WE HAVE CHANGED THE BALL,LINE,FILTER,IT SEEMS TO HAVE GOTTEN BETTER,BUT NOT GONE,THE BOAT SAT FOR APP 1-1/2YR B4 HE BOUGHT,ANY IN PUT WE BE APPRECIATED THANKS