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Just bought a 2019 40 hp Merc 3 cylinder. Have it on a 15
Just bought a 2019 40 hp Merc 3 cylinder. Have it on a 15 foot gillgetter pontoon. The 20 hp 4 stroke i replaced had a top speed of 12- 13 mph. I put a 4 blade 10.6 inch by 12 pitch prop on 1st. Good … read more
Ted G.
Ted G.
Rigger, Diagnostician
Vocational, Technical or Trade Scho
2,678 satisfied customers
I have a Boston Whaler 150 super sport 60 hp merc ct with.
I have a Boston Whaler 150 super sport 60 hp merc ct with. 13 3/4 x 15 aluminum prop. It revs @6200 WOT. I am told 5950 rpm is max, any suggestions? This is wit me 235 lbs my dog 80 lbs and 15 gallons… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
Loss of speed and rpm with identical motors....We have a
Loss of speed and rpm with identical motors....We have a 12ftx 30ft pontoon work boat which had 2014 Merc. 115 CT motors, running 15.25 x 15 props, giving us just under 30mph at 5400rpm. Replaced the … read more
Charles
Charles
Marine Mechanic
Certified Mercury Tech
5,750 satisfied customers
Looking for a recommendation for type of propeller
Looking for a recommendation for type of propeller replacement for my boat. 26 ft Searay 260DA. 5.7 Mercruiser 350 MAG MPI 300 HP with Bravo 3 outdrive. Max RPM is 5000. Ratio is 2.20 : 1. Current cou… read more
Charles
Charles
Marine Mechanic
Certified Mercury Tech
5,750 satisfied customers
I have a 2008 167 Cutter sportster with an 2008 Mercury 50
I have a 2008 167 Cutter sportster with an 2008 Mercury 50 hp 2 stroke, the boat weighs 1500 lbs and does 30 mph at 4800 rpm but is sluggish getting up on plane. It currently has a 19 pitch aluminum p… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
I purchased a 2008 Fisher 240 Tritoon with no motor and then
I purchased a 2008 Fisher 240 Tritoon with no motor and then purchased a Honda 200 Outboard and attached it with honda rigging. The first two times I went out in the boat with my family it would do 40… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,730 satisfied customers
2009 Honda Outboard 200 4 stroke. Repowered a Tracker Marine
2009 Honda Outboard 200 4 stroke. Repowered a Tracker Marine 25FT Tritoon with this motor. The motor came with a 4 Blade 14 /14 x 17R Prop. At WOT I am turning 5000 rpms and running 38-40 mph and that… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
I have a 2002 23 foot SSI Chaparrel with a 350Mag mpi with
I have a 2002 23 foot SSI Chaparrel with a 350Mag mpi with an Alpha 1. Since buying it new I always used a 14.5 X 19 aluminum prop. I want to go to a stainless steel prop. My WOT is 4600. In looking f… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
Mercury verado Hi, I just purchased a Premier boundry waters
Hi, I just purchased a Premier boundry waters Sky DEK pontoon boat with a 300 mercury pro verado 2011 - it came with a 15.25 x 15 aluminum prop. The boat weight is 4900 lb dry + load capasity of 3600 … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
Hello, I have a 1997 Baja Hammer with a 7.4 MPI. When I bought
Hello, I have a 1997 Baja Hammer with a 7.4 MPI. When I bought the boat the guy I bought it from had a 15.25 x 26 SS 4 blade prop on it and wide open throttle it peaked at about 4400 RPM. It took a wh… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
hey i have 1995 intimidator i noticed that the jackplate was
hey i have 1995 intimidator i noticed that the jackplate was all the way down.I was wonder if i moved it up if the boat would plane faster and if the mph wold improve.… read more
Master Tech
Master Tech
Service Manager/Technician
Vocational, Technical or Trade Scho
1,167 satisfied customers
i have a 24 ft pontoon with a 115 merc 4 stroke efi. i need
i have a 24 ft pontoon with a 115 merc 4 stroke efi. i need to replace the prop on it. i want to go stainless 4 blade. also the alum prop on it was a 13.375 x 15. is this the same size and pitch i sho… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,730 satisfied customers
I have a Fisher 200 Freedom Fish pontoon boat with a Merc 50hp,
I have a Fisher 200 Freedom Fish pontoon boat with a Merc 50hp, 4cyl, 4 stroke outboard. Both are 1996 vintage. I need a new prop. The current prop is 10.5" dia with about a 11" pitch. It has always e… read more
Captain Dave
Captain Dave
Marine Mechanic
Master's Degree
2,672 satisfied customers
I have a sp 175 Triton aluminum with a 75 hp optimax. I just
I have a sp 175 Triton aluminum with a 75 hp optimax. I just bought it this week. Is this a 3 or 4 cyclinder motor. I am only turning about 4000 rpm but I am running out at about 44 or 45 mph. I like … read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
I have a 16 Galaxy bowrider (1980) with a 3.0L mercruiser
I have a 16' Galaxy bowrider (1980) with a 3.0L mercruiser 120hp I/O, Mercruiser outdrive (not the bravo or alpha). Recently changed props after the 14"x19pitch would only get me to 28 or 29 mph at 51… read more
Andy
Andy
Marine Repair Technician
Vocational, Technical or Trade Scho
16 satisfied customers
I am trying to find the max rpm for a 2000 Evinrude 70hp 4-stroke
I am trying to find the max rpm for a 2000 Evinrude 70hp 4-stroke (E70PL4SS). There is plenty of low end torque but at WOT it is around 4700rpm - seems to me it should have a few more rpms left but th… read more
orcamarine
orcamarine
Proprietor
Vocational, Technical or Trade Scho
7 satisfied customers
I have a H56TS Xpress boat with a 150hp V-Max 2 stroke...No
I have a H56TS Xpress boat with a 150hp V-Max 2 stroke...No jackplate...original prop now broken was SS 14 1/2x23...been searching for another prop but getting to much feed back...my question is whats… read more
Larry B.
Larry B.
Marine Service Tech
High School or GED
574 satisfied customers
I have a 20 pontoon boat with a 75 hp Yamaha engine. What
I have a 20' pontoon boat with a 75 hp Yamaha engine. What is the prop size I need for a stainless steel prop. What is the pitch of the prop required.… read more
Larry B.
Larry B.
Marine Service Tech
High School or GED
574 satisfied customers
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Meet the Experts:

Ted G.

Ted G.

Rigger, Diagnostician

2,678 satisfied customers

40 years boating, Safe boating instruct., Offshore Race promoter, Failure Analysis, Expert Witness

Dominick

Dominick

Marine Mechanic

1,009 satisfied customers

25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified

John White

John White

Marine Mechanic

306 satisfied customers

11 years experience working on outboards, inboards, sterndrives & pwcs

Jason

Jason

Marine Mechanic

22,043 satisfied customers

Degree in Marine Technology. Gas and diesel marine mechanic.

Tan

Tan

MerCruiser Certified Technician

11,409 satisfied customers

40 yrs. experience with complete engine repairs both inboard/outboard and MerCruiser Certified Technician.

Jeff G.

Jeff G.

Marine Mechanic

4,730 satisfied customers

42 years experience, Certified Master Technician, All Major Outboards, Sterndrives, Hi-Performance

Captain Dave

Captain Dave

Marine Mechanic

2,672 satisfied customers

USCG Licensed Captain, 20+ Years Boating, Fishing, Maintenance and Repair Experience

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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