Hey guys I have a 2002 ranger 175vs with an 2004 ELPTO 125, At WOT I am only getting 4900 to 5000 rpms,The recomended is 5250 which I would like to get if I could,I am running a 21 pitch stainless,4 blade prop,My top speed when it was cold weather was 54 mph,now that its hotter its dropped to 50...