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2020 Yamaha F90
motttocs	#1  Posted on 03/15/21 - 12:58 PM
Member Personal Page Posts: 13 Comments: 0 Joined: 08/20/20	I just repowered my 1967 Nauset with a 2020 Yamaha F90 but I need a prop. I have a solid mahogany console and a mahogany RPS seat. Under the console I have two batteries and a custom 27 gal. stainless fuel tank. WOT for the Yamaha is 6000 rpm.
Phil T	#2  Posted on 03/15/21 - 3:41 PM
Administrator Personal Page Personal Album Project Albums Posts: 6994 Comments: 6 Joined: 03/26/05	16/17 owners with the F90 have done a fair bit of prop testing. Their recommendations include: 13-1/3 x 18 Yamaha Performance Series 13 x 19 Yamaha Painted Stainless Steel 13 x 19 Powertech SCD * Note size only applies to the make and model listed. Presumes the engine is mounted at least 2 holes up. Top bolt is in the 3rd hole down from top. Expect a WOT of ~5800rpm's and 42-45mph running light and solo. 1992 Outrage 17 I 2019 E-TEC 90, Viper 17 2+ 2018 Load Rite Elite 18280096VT
motttocs	#3  Posted on 03/23/21 - 4:42 PM
Member Personal Page Posts: 13 Comments: 0 Joined: 08/20/20	would this be OK? Yamaha Talon SS Diameter: 13.125, Pitch: 18
Phil T	#4  Posted on 03/23/21 - 5:09 PM
Administrator Personal Page Personal Album Project Albums Posts: 6994 Comments: 6 Joined: 03/26/05	No. The sizes listed only apply to the make and model listed above. The Talon has not been tested/recommended for this application. Note - Props are very expensive. Dont' expect to get one cheap. That would be like getting a 95K Land Rover and installing tires from a Big Wheel child's toy. Contact either - Andy at Sim Yamaha for Yamaha props www.simyamaha.com Ken at Propgods for PowerTech www.propgods.com Edited by Phil T on 03/23/21 - 5:19 PM 1992 Outrage 17 I 2019 E-TEC 90, Viper 17 2+ 2018 Load Rite Elite 18280096VT
motttocs	#5  Posted on 03/24/21 - 4:18 AM
Member Personal Page Posts: 13 Comments: 0 Joined: 08/20/20	Thank you, I previously had an F150 but it came with the prop. New boat, engine and setup
reelescape1	#6  Posted on 03/25/21 - 4:08 PM
Member Personal Page Posts: 68 Comments: 0 Joined: 11/12/05	I have a 1988 17' Montauk with 2020 Yamaha F90. Ken at PropGods recommended the PT SCD3R17PVM90 and it's spot on. If you order through him he will swap until you're satisfied just cover shipping (and no damage).
motttocs	#7  Posted on 03/25/21 - 5:07 PM
Member Personal Page Posts: 13 Comments: 0 Joined: 08/20/20	Thx, just ordered a 13x19 to try. Will scale down if needed.
motttocs	#8  Posted on 03/26/21 - 9:00 AM
Member Personal Page Posts: 13 Comments: 0 Joined: 08/20/20	My boat guy took it out today with a 13 x 15 SS with one hole up. ran 5200 to 5300 with little trim available. No porpoising. Go two holes up with a 18 or 19 pitch? I have a 19 coming Monday to try
Phil T	#9  Posted on 03/26/21 - 11:36 AM
Administrator Personal Page Personal Album Project Albums Posts: 6994 Comments: 6 Joined: 03/26/05	You got two parallel threads. Stick to one and ditch the second. 1992 Outrage 17 I 2019 E-TEC 90, Viper 17 2+ 2018 Load Rite Elite 18280096VT
Phil T	#10  Posted on 03/26/21 - 11:44 AM
Administrator Personal Page Personal Album Project Albums Posts: 6994 Comments: 6 Joined: 03/26/05	Without a make/model, the size does not help. Regardless, the prop size without make/model does not read to be a good choice. Don't get distracted. Props on the list, engine mounted 2 holes up. Test and report. 1992 Outrage 17 I 2019 E-TEC 90, Viper 17 2+ 2018 Load Rite Elite 18280096VT
motttocs	#11  Posted on 03/27/21 - 5:44 AM
Member Personal Page Posts: 13 Comments: 0 Joined: 08/20/20	13 x 15 Turning point SS prop hit 52-5300 rpm Yamaha 6000WOT Going to try a Talon SS 13 1/8 x 14
Phil T	#12  Posted on 03/27/21 - 9:59 AM
Administrator Personal Page Personal Album Project Albums Posts: 6994 Comments: 6 Joined: 03/26/05	Given you are not interested in taking prop advice from owners with the same boat and engine, I have nothing more to add. 1992 Outrage 17 I 2019 E-TEC 90, Viper 17 2+ 2018 Load Rite Elite 18280096VT
motttocs	#13  Posted on 03/27/21 - 1:14 PM
Member Personal Page Posts: 13 Comments: 0 Joined: 08/20/20	Talon recommended by Andy from Sim yamaha. Guy you suggested!
Phil T	#14  Posted on 03/27/21 - 1:35 PM
Administrator Personal Page Personal Album Project Albums Posts: 6994 Comments: 6 Joined: 03/26/05	Sorry, missed that. My apologies. I am at a loss why he is recommending that prop model. Does he not have any Performance Series or Painted Stainless in stock and they are backordered? 1992 Outrage 17 I 2019 E-TEC 90, Viper 17 2+ 2018 Load Rite Elite 18280096VT
motttocs	#15  Posted on 03/31/21 - 11:12 AM
Member Personal Page Posts: 13 Comments: 0 Joined: 08/20/20	pretty much everything is backordered. I have to have my guy move the motor to the two up position from the one up first.