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prop size ?
Metalman111	#1  Posted on 04/29/19 - 7:18 AM
Member Posts: 17 Comments: 0 Joined: 09/19/18	1985 , SS 15' ,2001 mercury 40 2 stroke ,carb . the engine came off a pontoon boat so i know i have to move down in size. it has a 12.25 X 9P on it now i want to use it on lake michigan and other smaller lakes, rarely towing, mostly fishing and speed thanks hope to get some good info. best i can figure something around a 10 X 16P
Phil T	#2  Posted on 04/29/19 - 8:11 AM
Administrator Personal Page Personal Album Project Albums Posts: 7043 Comments: 6 Joined: 03/26/05	A pontoon and a 15' are completely different boats and have vastly different prop requirements. Recommendations by owners with the same model with a Mercury 40hp advise trying these specific model/size: Mercury Black Max 14" Yamaha Painted SS 14" 1992 Outrage 17 I 2019 E-TEC 90, Viper 17 2+ 2018 Load Rite Elite 18280096VT
Metalman111	#3  Posted on 05/15/19 - 12:13 PM
Member Posts: 17 Comments: 0 Joined: 09/19/18	thanks phil t
Finnegan	#4  Posted on 05/16/19 - 9:28 AM
Member Posts: 1926 Comments: 16 Joined: 05/02/08	If you're looking for the lower cost of aluminum, the best prop for the engine is a Mercury Spitfire 4 blade, also sold as a Quicksilver Nemesis for a few bucks less. https://www.mercurymarine.com/en/us/p.../spitfire/ For the very best performance and top speed, and more money, get the SS Trophy Sport. https://www.mercurymarine.com/en/us/p...phy-sport/ Go to the Mercury Prop selector section for correct pitch.