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1997 RAGE porpoises
popeye67	#1  Posted on 07/27/15 - 10:37 AM
Member Posts: 5 Comments: 0 Joined: 07/27/15	my 1997 175 Rage porpoises and it is annoying.i adjusted the trim plate down only about one inch because that is all the bolt will allow. Can anyone help me on this, i love the boat but i am shaken to pieces.......
GFC	#2  Posted on 07/27/15 - 6:41 PM
Member Posts: 88 Comments: 0 Joined: 04/29/14	Generally the reason a boat porpoises is that the motor is trimmed too jar up. In that position, the motor is continually trying to raise the bow up. The bow will only raise so far before the weight becomes too great and overcomes the ability of the motor to keep it up there, so it drops. This cycle then repeats. Try lowering the trim on the motor so it's not trimmed so high. It may take several steps before it rids itself of the porpoising, but it may have to be adjusted again if you have pax seated in the bow area.
sraab928	#3  Posted on 07/28/15 - 4:13 AM
Member Project Albums Posts: 1282 Comments: 13 Joined: 12/27/05	This is a jet powered boat with no trim adjustment under way... I have seen some guys add those automatic spring loaded trim tabs to these - Maybe that's what they are trying to eliminate. Scott 1974 21' Revenge w Mercury 200 ProXS V8
dauntless-n-miami	#4  Posted on 07/28/15 - 8:07 AM
Member Personal Page Project Albums Posts: 315 Comments: 0 Joined: 11/05/08	Hello Popeye67, do a forum search through Scream & Fly. This site typically attracts the boaters with the Jet-Drive boats, big horse-power outboard ski-boats and the likes. Research what trim systems are being used with the Jet Drives. Trim tabs may be a solution for you either spring tension, hydraulic, and/or electric assuming your transom has the capacity and access for the installation of either. Happy boating... Angel M. 1996 Dauntless 15, Sportsman Pkg. - 2007 Yamaha 90 HP 2-Stroke
gentilebrian	#5  Posted on 07/28/15 - 8:40 AM
Member Posts: 59 Comments: 0 Joined: 09/13/07	Smart tabs should fix your problem.
popeye67	#6  Posted on 07/28/15 - 6:15 PM
Member Posts: 5 Comments: 0 Joined: 07/27/15	Thanks, TO all who recommended, i ordered some trim tabs today and i think it will solve my problem, i will keep you informed when i get them and give it a test run
popeye67	#7  Posted on 08/08/15 - 6:42 PM
Member Posts: 5 Comments: 0 Joined: 07/27/15	Tabs worked great, thanks
sraab928	#8  Posted on 08/09/15 - 4:48 AM
Member Project Albums Posts: 1282 Comments: 13 Joined: 12/27/05	Thats good to hear - Now go enjoy her! Scott 1974 21' Revenge w Mercury 200 ProXS V8