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motor size
Dumptruck	#1  Posted on 02/11/17 - 11:33 AM
Member Posts: 1 Comments: 0 Joined: 02/11/17	will a new 90 horse four stroke be enough motor for a 1987 montauk and will it be to heavey Edited by Dumptruck on 02/11/17 - 11:48 AM
wezie	#2  Posted on 02/11/17 - 1:23 PM
Member Posts: 109 Comments: 0 Joined: 05/12/07	Honda had the lightest 90 hp 2 years ago. I would check, this may have changed. Montauks were powered with the original honda 90s and that was a lot of weight. Looked heavy. Good Luck.
Joe Kriz	#3  Posted on 02/11/17 - 2:20 PM
Site Owner Personal Page Personal Album Photo Albums Project Albums Posts: 11447 Comments: 452 Joined: 03/18/05	The 17' Classic hull has a max hp rating of 100. As no one makes a 100hp these days, most people go for the 90hp or even a 70hp if they are not into speed. Take a look through the members personal page section at the 16' and 17' Classic models. http://www.whalercentral.com/viewpage...page_id=65 This list was last update in June of 2015 http://www.whalercentral.com/articles...ticle_id=5
action	#4  Posted on 02/11/17 - 6:19 PM
Member Personal Page Posts: 208 Comments: 2 Joined: 01/03/15	I have an ETEC 90 on my 1988 Montauk and love it. I believe that Evinrude is offering a 10 year factory backed warranty on ETEC's right now.
JRP	#5  Posted on 02/12/17 - 2:11 AM
Member Posts: 755 Comments: 2 Joined: 08/29/14	Joe Kriz wrote: The 17' Classic hull has a max hp rating of 100. As no one makes a 100hp these days, most people go for the 90hp or even a 70hp if they are not into speed. Take a look through the members personal page section at the 16' and 17' Classic models. http://www.whalercentral.com/viewpage...page_id=65 This list was last update in June of 2015 http://www.whalercentral.com/articles...ticle_id=5 Honda offers a reasonably lightweight 100 HP fourstroke engine: http://marine.honda.com/outboards/mot...tail/BF100 But keep in mind that Honda's 1.5 liter 100 HP engine is the same weight as Mercury's 2.1L Fourstroke 90 HP engine (and Mercury's 2.1L 115 HP engine as well). With the same weight and 40% more displacement, the Merc looks like the more attractive option. But I have not priced that Honda 100 HP engine, so it may be a good choice for a Montauk especially if there is a price advantage.
WRufus	#6  Posted on 02/12/17 - 5:57 AM
Member Personal Page Posts: 73 Comments: 1 Joined: 01/15/13	Yamaha has a new 90, 1.8L weighing in at 353lbs (if my math is right) http://2017newproducts.yamahaoutboard...f90-75.php It should be an awesome motor. I have an F70 and love it. Edited by Phil T on 02/13/17 - 3:49 AM 1989 Montauk 17' w/ F70 Yamaha
WRufus	#7  Posted on 02/12/17 - 7:44 PM
Member Personal Page Posts: 73 Comments: 1 Joined: 01/15/13	wezie wrote: Honda had the lightest 90 hp 2 years ago. I would check, this may have changed. Montauks were powered with the original honda 90s and that was a lot of weight. Looked heavy. Good Luck. The Suzuki DF90 is the lightest four stroke at 343lbs And now the new 2017 Yamaha F90 is the second lightest four stroke at 353lbs (if my math is right - they say the new model is 13lbs lighter) The Honda BF90 four stroke is at 359lbs http://www.suzukimarine.com/Product%2...DF90A.aspx http://2017newproducts.yamahaoutboard...f90-75.php http://marine.honda.com/outboards/mot...il/BF75-90 Edited by Phil T on 02/13/17 - 3:48 AM 1989 Montauk 17' w/ F70 Yamaha