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Author Topic:   SUPER SPORT 15, F60, Jack Plate

whaler15ss posted 08-29-2008 03:54 PM ET (US)
Help me select the correct propeller for good all around performance for a 1984 Boston Whaler SUPER SPORT 15 with a Yamaha F60 four-cycle motor--not the High-Thrust model--mounted on a 4-inch adjustable jack plate.
Tom W Clark posted 08-29-2008 04:29 PM ET (US)
10-1/2" x 15" Stiletto Triad 3.5, part # C 802315 with a C-014 Guardian hub kit.
zotcha posted 08-29-2008 09:16 PM ET (US)
Indeed. Purchased the same prop from Tom with a 5" Bob's jack plate. It's all there.
Correction. I've got the Hot Shot Turbo in same measurements.
whaler15ss posted 09-02-2008 10:29 PM ET (US)
Thank you for your replies. What kind of top speed and cruising speed with this prop size? Do you have much weight on board? Thanks again, George
zotcha posted 09-02-2008 10:41 PM ET (US)
George, I weigh 155 and my girl weighs a "little more". Running 19 gallon fuel tank, 24# jack plate and a 238# Yamaha F60. Full 52 quart cooler forward and no front thwart.
3000 is cruise at about 22 mph. Top speed similarly equipped minus GF, 43.8 mph top GPS so far. That is MAX trim. I cannot give you any hole-shot performance whatsoever because I never do it.! Hope this helps. zotcha.
dnh posted 09-06-2008 09:23 AM ET (US)
I have an F60 with whatever prop came from Yamaha dealer. It is a 15-G, or something. The dealer mounted my engine down too low, and my boat has [difficulty accelerating from a standing start] with that prop. But [the unidentified boat] gets up to 40-MPH on the GPS.
I am going to a jackplate (if another CW member who says he has one for me) is able to get it or at least going to have the engine mounted higher, and get a new prop most likely.
zotcha posted 09-07-2008 01:37 AM ET (US)
Hello Tom. I just picked up a 2008 F60 and I need a prop for the 1988 15 Sport conversion to center console. Again going 5" manual jack plate. Very similar weight and hopefully slightly shifted forward. Each will hold approximately 18 gallons of fuel but hoping to get the new cell under the console. Estimated 400 pounds (two people and gear). Looking for top-end, no holeshot. Any new recommendations?
I can swap the Turbo Hot Shot (10-1/2" X 15") from the classic (1982) to the center console (1988), if you've got something in mind to break the 43.8 mph/gps.
Wanted to try the Yamaha 70 or 90 two stroke but could not pass this up. Thanks. zot.

dnh, ran that factory (black-powdercoated) Yamaha prop at 10-1/4" X 15" for a year. Even a 230 pound friend running alone with 15 gallon Pate was bouncing off the rev. limitor. Be careful. I saw 6300 under right/WRONG conditions. The above mentioned prop is very good, affordable and performs well without blowout. I'm just looking to chine walk a little MORE!!!
surveyingdawg posted 09-16-2008 08:04 PM ET (US)
I have the Stiletto mentioned above on my 15 with the F60. Me alone the boat will hit the rev limiter at 44 mph on the GPS.
Tom W Clark posted 09-17-2008 11:46 AM ET (US)
surveyingdawg,
If you are hitting the rev limiter, then you need to reduce pitch to bring your WOT RPMs to within the recommended WOT range.
Stiletto does not offer any higher pitch than 15 inches in the Triad 3.5 line. You could try the Turbo Hot Shot 3.5 which is offered in both a 16 inch pitch and a 17 inch pitch.
Michael -- the 16 inch Hot Shot might be a good choice for you too. PowerTech makes some propellers to fit that motor as well and may be worth a shot.
surveyingdawg posted 09-17-2008 07:51 PM ET (US)
Thanks Tom. I am going to keep the prop I have now as I am always loaded with a wife and 2 children, as well as a 90lb Yellow Lab. This prop has changed the whole attitude of the boat. It is so nice to be able to cruise at 35-36 mph instead of 26-27 as before. This whole thing has me seriously considering a 90 hp Etec. I only use this boat sparinly, well more than sparingly since gas in my 31 Contender is getting hard to stomach. I have just completed a complete renovation of it including adding a standup center console. I cannot express how much I love this boat. I had an 11 and my father currently has a classic Montauk. This boat seems to be such a better hull than the Montauk ride wise. What kind of power have you guys ever seen with these hulls. I have heard stories of guys running 115s on these. Is that true?
Matt
surveyingdawg posted 09-17-2008 07:53 PM ET (US)
BTW, this is a classic 15 hull.
Matt
Tom W Clark posted 09-18-2008 12:31 AM ET (US)
Matt,
Amazing what a simple change to a good propeller can do for you and your boat, isn't it?
Rem1319 posted 09-19-2008 02:43 PM ET (US)
Any details on the console modification - height,risers, mods to console etc. Sounds great got pics?
Have an 87 15 CC with an 70 yami -want so raise it a bit - I am 5' 10" have seen 4, 6, and 12 lifts on modifications.
How was your experience.
Greg
elaelap posted 09-19-2008 06:41 PM ET (US)
Greg,
I just raised the console on my '87 15CC by twelve inches. It's discussed, with a photo, toward the bottom of this current thread:
http://continuouswave.com/ubb/Forum1/HTML/016581.html
Tony
KeyRat posted 09-25-2008 04:04 PM ET (US)
Tom,
Would you recommend the same prop for a 15 sport (no jackplate)?
It sounds like there is a bit of trial and error as far as prop selection goes. I am considering buying a motor 45 mins away (much cheaper) but I am worried that I will have to continually drive back to "tune" the installation/setup.
With the price of propellers, what is the return policy? Do people just eat the cost of a new prop in hopes that it solves their current problem?
I have a connection to Michigan Wheel Corporation.
What prop would you recommend for good all around performance including some waterskiing?
http://www.miwheel.com/MIWheel/pdf/99021208.pdf
Thanks in advance,
Gerrit
tedious posted 09-30-2008 01:40 PM ET (US)
Would one or more of you who have this setup (F60 on a 15) be able to post some pictures of your installation? As you can see by this thread (http://continuouswave.com/ubb/Forum3/HTML/015733.html) I looked at a couple of 15s that had an unconventional installation, and I'm interested to see one that's done right. Very interested in interior and exterior shots of transom bolts / holes - would love to see pics of installations with and without jack plates. Also may be looking for a jack plate at some point, so would like to see what you have.
Thanks very much - if you are unable to post high-res pics here and could take a moment to email them (address in profile) that would be even better. I appreciate the help.
Tim

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Author	Topic: SUPER SPORT 15, F60, Jack Plate
whaler15ss	posted 08-29-2008 03:54 PM ET (US) Help me select the correct propeller for good all around performance for a 1984 Boston Whaler SUPER SPORT 15 with a Yamaha F60 four-cycle motor--not the High-Thrust model--mounted on a 4-inch adjustable jack plate.
Tom W Clark	posted 08-29-2008 04:29 PM ET (US) 10-1/2" x 15" Stiletto Triad 3.5, part # C 802315 with a C-014 Guardian hub kit.
zotcha	posted 08-29-2008 09:16 PM ET (US) Indeed. Purchased the same prop from Tom with a 5" Bob's jack plate. It's all there. Correction. I've got the Hot Shot Turbo in same measurements.
whaler15ss	posted 09-02-2008 10:29 PM ET (US) Thank you for your replies. What kind of top speed and cruising speed with this prop size? Do you have much weight on board? Thanks again, George
zotcha	posted 09-02-2008 10:41 PM ET (US) George, I weigh 155 and my girl weighs a "little more". Running 19 gallon fuel tank, 24# jack plate and a 238# Yamaha F60. Full 52 quart cooler forward and no front thwart. 3000 is cruise at about 22 mph. Top speed similarly equipped minus GF, 43.8 mph top GPS so far. That is MAX trim. I cannot give you any hole-shot performance whatsoever because I never do it.! Hope this helps. zotcha.
dnh	posted 09-06-2008 09:23 AM ET (US) I have an F60 with whatever prop came from Yamaha dealer. It is a 15-G, or something. The dealer mounted my engine down too low, and my boat has [difficulty accelerating from a standing start] with that prop. But [the unidentified boat] gets up to 40-MPH on the GPS. I am going to a jackplate (if another CW member who says he has one for me) is able to get it or at least going to have the engine mounted higher, and get a new prop most likely.
zotcha	posted 09-07-2008 01:37 AM ET (US) Hello Tom. I just picked up a 2008 F60 and I need a prop for the 1988 15 Sport conversion to center console. Again going 5" manual jack plate. Very similar weight and hopefully slightly shifted forward. Each will hold approximately 18 gallons of fuel but hoping to get the new cell under the console. Estimated 400 pounds (two people and gear). Looking for top-end, no holeshot. Any new recommendations? I can swap the Turbo Hot Shot (10-1/2" X 15") from the classic (1982) to the center console (1988), if you've got something in mind to break the 43.8 mph/gps. Wanted to try the Yamaha 70 or 90 two stroke but could not pass this up. Thanks. zot. dnh, ran that factory (black-powdercoated) Yamaha prop at 10-1/4" X 15" for a year. Even a 230 pound friend running alone with 15 gallon Pate was bouncing off the rev. limitor. Be careful. I saw 6300 under right/WRONG conditions. The above mentioned prop is very good, affordable and performs well without blowout. I'm just looking to chine walk a little MORE!!!
surveyingdawg	posted 09-16-2008 08:04 PM ET (US) I have the Stiletto mentioned above on my 15 with the F60. Me alone the boat will hit the rev limiter at 44 mph on the GPS.
Tom W Clark	posted 09-17-2008 11:46 AM ET (US) surveyingdawg, If you are hitting the rev limiter, then you need to reduce pitch to bring your WOT RPMs to within the recommended WOT range. Stiletto does not offer any higher pitch than 15 inches in the Triad 3.5 line. You could try the Turbo Hot Shot 3.5 which is offered in both a 16 inch pitch and a 17 inch pitch. Michael -- the 16 inch Hot Shot might be a good choice for you too. PowerTech makes some propellers to fit that motor as well and may be worth a shot.
surveyingdawg	posted 09-17-2008 07:51 PM ET (US) Thanks Tom. I am going to keep the prop I have now as I am always loaded with a wife and 2 children, as well as a 90lb Yellow Lab. This prop has changed the whole attitude of the boat. It is so nice to be able to cruise at 35-36 mph instead of 26-27 as before. This whole thing has me seriously considering a 90 hp Etec. I only use this boat sparinly, well more than sparingly since gas in my 31 Contender is getting hard to stomach. I have just completed a complete renovation of it including adding a standup center console. I cannot express how much I love this boat. I had an 11 and my father currently has a classic Montauk. This boat seems to be such a better hull than the Montauk ride wise. What kind of power have you guys ever seen with these hulls. I have heard stories of guys running 115s on these. Is that true? Matt
surveyingdawg	posted 09-17-2008 07:53 PM ET (US) BTW, this is a classic 15 hull. Matt
Tom W Clark	posted 09-18-2008 12:31 AM ET (US) Matt, Amazing what a simple change to a good propeller can do for you and your boat, isn't it?
Rem1319	posted 09-19-2008 02:43 PM ET (US) Any details on the console modification - height,risers, mods to console etc. Sounds great got pics? Have an 87 15 CC with an 70 yami -want so raise it a bit - I am 5' 10" have seen 4, 6, and 12 lifts on modifications. How was your experience. Greg
elaelap	posted 09-19-2008 06:41 PM ET (US) Greg, I just raised the console on my '87 15CC by twelve inches. It's discussed, with a photo, toward the bottom of this current thread: http://continuouswave.com/ubb/Forum1/HTML/016581.html Tony
KeyRat	posted 09-25-2008 04:04 PM ET (US) Tom, Would you recommend the same prop for a 15 sport (no jackplate)? It sounds like there is a bit of trial and error as far as prop selection goes. I am considering buying a motor 45 mins away (much cheaper) but I am worried that I will have to continually drive back to "tune" the installation/setup. With the price of propellers, what is the return policy? Do people just eat the cost of a new prop in hopes that it solves their current problem? I have a connection to Michigan Wheel Corporation. What prop would you recommend for good all around performance including some waterskiing? http://www.miwheel.com/MIWheel/pdf/99021208.pdf Thanks in advance, Gerrit
tedious	posted 09-30-2008 01:40 PM ET (US) Would one or more of you who have this setup (F60 on a 15) be able to post some pictures of your installation? As you can see by this thread (http://continuouswave.com/ubb/Forum3/HTML/015733.html) I looked at a couple of 15s that had an unconventional installation, and I'm interested to see one that's done right. Very interested in interior and exterior shots of transom bolts / holes - would love to see pics of installations with and without jack plates. Also may be looking for a jack plate at some point, so would like to see what you have. Thanks very much - if you are unable to post high-res pics here and could take a moment to email them (address in profile) that would be even better. I appreciate the help. Tim