Thread subject: Whaler Central - Boston Whaler Boat Information and Photos :: Prop for Montauk w/ Yamaha 90 Two Stroke
Posted by jodee95 on 05/23/13 - 4:51 AM
#1
Hello Can someone please give me some advice on purchasing a new stainless steel propeller? I have a 1989 Montauk with a 1988 Yamaha 90 HP. I will be using it the NJ Bays and Ocean coastline. Can someone also recommend a place to purchase? Thank you for your help.
Edited by Tom W Clark on 05/23/13 - 9:14 PM
Posted by Tom W Clark on 05/23/13 - 9:13 PM
#2
I recommend the 13-1/4" x 15" Stiletto Advantage 4.25 for a 1988 Yamaha 90 with its 5500 RPM reline and 2:1 gear ratio. It is an excellent value. Shop it down online; you will find it is less expensive than a lot of other propellers that are not as good.
Posted by jodee95 on 05/24/13 - 4:18 AM
#3
Great Thanks Tom Very Much for your help.
Posted by jodee95 on 06/18/13 - 6:19 PM
#4
Just purchased the Stiletto 4.25 13 1/4 X 15 - RH for my 1988 90 Hp Yamaha. The prop looks great but it is hitting my Trim Anode.. I tried bending it some but it still hits. Can some one advise me of a replacement or can I just grind some away.. Thanks for responding...
Posted by dauntless-n-miami on 06/19/13 - 6:30 AM
#5
Hello jodee95 and if I recall, there may be an offering of trim anodes with slightly shorter dimensions for prop clearance issues.
I am a bit perplexed, you purchased a 13-1/4 x 15 Stilletto and it does not clear the trim anode? For my 2007 Yamaha 90 I have to different stainless props, one is a 13-1/4 x 17 the other 13 x 17 and I do not have a clearance issue.
Check this web site for a reference to the proper trim anode versus the model you currently have installed (part numbers that is). www.simyamaha.com
Good luck...
Posted by Tom W Clark on 06/19/13 - 6:35 AM
#6
You can grind away the trim anode if need be. 1/8" clearance is sufficient, 1/4" might be better.
I agree it is odd the propeller would hit the trim tab; I have never heard of that before on a Yamaha.
Posted by dauntless-n-miami on 06/19/13 - 6:45 AM
#7
Jodee95 a dumb question for you, when you removed the old prop to install the new one did you also remove the prop (shaft) spacer or did you re-use it?
Or did you accidentally double stack the new spacer (if supplied with new prop) ahead of the old one?
The prop spacer is roughly between 1/4" to 5/16" inch in thickness and splined at it's center to match the output shaft. It rests against the visible bearing face of the carrier housing.
Posted by Tom W Clark on 06/19/13 - 6:56 AM
#8
A 1988 Yamaha 90 shoud be using the trim tab anode, part # 688-45371-02-00 which should provide more than enough clearance. It can be seen on page 7-13 (166) of the Yamaha Outboard Rigging Parts Catalog:
http://www.yamahaoutboards.com/Marine...s_Catalog/
Posted by jodee95 on 06/20/13 - 7:02 PM
#10
Dauntless/ Tom I ordered a Yamaha DE500 Hub kit. I did not reuse any old hardware.. I jumped the gun an ordered a Flat anode (Shorter Dimension ) but I do want to get the correct one also. Tom /Dauntless Thanks very much for your research. I cant wait to try this new prop out. Hopefully the shorter one will not effect performance until i get the one Tom noted.
Posted by dauntless-n-miami on 06/21/13 - 9:56 AM
#11
Glad to have been able to assist jodee95. I am still a bit stumped (and I bet Tom is too) on why the prop does not clear the trim anode?
Was it the hub kit that was installed in the new prop?
Angel M.
Posted by jodee95 on 06/24/13 - 12:54 PM
#12
Yes New Hub kits was installed Guardian DE 500 and new Flat style anode... I finally got a chance to get the boat in for the first time this year. (My father in Law said he was staying 3 days over the memorial day weekend. he left on Saturday??) I just wanted to thank everyone for there help. Tom Clark's advice on going with this prop was a winner. It matches up so well with the boat and motor. It came up on plane very fast I did not check it at WOT but will report back.