Sea-Doo 4 Stroke Impeller PTO Removal Tool GTX/Sportster/LTD/RXP/Speedster/Challenger/GTI/Islandia/Utopia 2002 2003 2004 2005 2006 2007 2008 520935956 New Impeller Tool for Sea-Doo 4-Tec***** 130HP, 155HP, 185 HP ***** Also works as a PTO removal tool for all 4-Tec engines. Shaft diameter is .930 inch. Also fits Solas impellers that use Solas WR011 tool. Solas Impellers with SR prefix.