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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
Need some advice on a pontoon boat prop. I have a 2015
Hi! Need some advice on a pontoon boat prop. I have a 2015 sylvan s3 pontoon with a 150 mercury 4 stroke engine. My wot is 4300 with a 3 blade aluminum 15.25 x15 prop. max speed 29 MPH. I know the max… read more
Charles
Charles
Certified Mercury Tech
5,752 satisfied customers
I just bought a 2003 glastron 21 foot bow rider with a 5.7
I just bought a 2003 glastron 21 foot bow rider with a 5.7 merc inboard and a bravo 1 outdrive. what would be the best prop for this boat. It had a 5.0 which has been replaced with a 5.7 EFI.… read more
Tan
Tan
MerCruiser Certified Technician
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11,409 satisfied customers
I have twin 60 hp mercury outboards on the back of a Twin Vee
I have twin 60 hp mercury outboards on the back of a Twin Vee 20 foot cat. I currently have four blade propellers stamped 48-878614.13p. The engines are NOT BIGFOOT MODEL. What size is the best three … read more
Tan
Tan
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I just bought a boat with a Mercury 115hp motor. The prop has
I just bought a boat with a Mercury 115hp motor. The prop has one blade broke off and I was wandering what blade I should buy. The person I bvought this off of mainly used it as a fishing boat, but my… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
I own a 1988 Wellcraft Gran Sport 36 with twin 7.4 engines.
I own a 1988 Wellcraft Gran Sport 36' with twin 7.4 engines. What are the recommended props also would like to know what props you would recommend to get boat on top of water? Also, engines are 340 hp… read more
Ted G.
Ted G.
Rigger, Diagnostician
Vocational, Technical or Trade Scho
2,678 satisfied customers
I have a 24ft sea chaser with a 300 susuki on it. someone stole
I have a 24ft sea chaser with a 300 susuki on it. someone stole the prop and I can't find what pitch I had. It was 4 blade is this best?… 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
I have a Johnson Tracker 40 hp long shaft 1990 boat motor.We
I have a Johnson Tracker 40 hp long shaft 1990 boat motor.We have it on our 20 ft party barge. The Propeller is slipping. We need to find another one but don't understand the pitch and how it works. I… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
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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
I need speed for my boat. My propeller is now 17 diameter by
I need speed for my boat. My propeller is now 17 diameter by 18 pitch. I have a new engine (inboard) rated 375 hp 4500 rpm at FOT. I have more info. I need help… read more
K. Kergan
K. Kergan
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Vocational, Technical or Trade Scho
1,031 satisfied customers
I have a 26 Carver with the Alpha 1 outdrive. It weighs about
I have a 26' Carver with flybridge with the Alpha 1 outdrive. It weighs about 7200#. I'm trying to get some speed and efficiency, it used to run about 25 mph at 3400, now I am lucky to get 20 mph at 3… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
What is the appropriate propeller for a 2000 Mercruiser Alpha
What is the appropriate propeller for a 2000 Mercruiser Alpha I 250 hp engine? I like to ski but don't want to sacrifice top-end speed.… read more
Jeff G.
Jeff G.
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Vocational, Technical or Trade Scho
4,730 satisfied customers
I have a 20 ft. searay cuddy cabin with a 4.3 liter v6 alpha
I have a 20 ft. searay cuddy cabin with a 4.3liter v6 , alpha one outdrive . I want to purchase a s.s. prop, what is the ideal size and pitch for all around performance? Is a four blade better than a … read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,730 satisfied customers
I have a 2008 model Suzuki 4 stroke 90hp outboard fitted to
I have a 2008 model Suzuki 4 stroke 90hp outboard fitted to a 5.25 center console alum. boat. The stainless steel prop fitted by the dealer is a 3 blade, 14 x 18 which although has good low speed grun… read more
Scott Martin
Scott Martin
Service manager
Vocational, Technical or Trade Scho
167 satisfied customers
I require a prop recommendation. The goal is a quicker hole
I require a prop recommendation. The goal is a quicker hole shot when pulling a load. The available specs are as follows. Boat: Chaparral 204SSi (2004). Motor: 5.0 GXi-E. Sterndrive: SX-M. Current pro… read more
Jason Forsberg
Jason Forsberg
Outboard Marine Mechanic
Vocational, Technical or Trade Scho
531 satisfied customers
I have a 1997 Glastron 19 foot runabout with a Mercruiser 4.3
I have a 1997 Glastron 19 foot runabout with a Mercruiser 4.3 liter alpha one 190 hp engine. Need to replace the prop which is a 14.25 X 21 pitch. Should I stay with this same pitch? Does it matter if… read more
Captain Dave
Captain Dave
Marine Mechanic
Master's Degree
3,847 satisfied customers
I have a 98 40 hp force on a 17 key largo. My boat will not
I have a 98 40 hp force on a 17' key largo. My boat will not go over 15 mph or plain off. Is this motor to small?… read more
Scott
Scott
Marine technician
Vocational, Technical or Trade Scho
543 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

3,847 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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