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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
3,332 satisfied customers
I bought a 2016 Marathon Grumman 20 foot pontoon boat. The
I bought a 2016 Marathon Grumman 20 foot pontoon boat. The model is a journey 2085. It has a 75 HP evinrude E Teck outboard. While driving it the prop fell off.I guess the previous owner didn't believ… read more
Charles
Charles
Certified Mercury Tech
5,752 satisfied customers
Need to replace beat up prop on my Merc 50 ELPT, 2001, beat
Need to replace beat up prop on my Merc 50 ELPT, 2001, beat up prop # is 48 854340a33. Is this a 13 or 15 spline? I find 14dia x 10" pitch but no info on splines. Thank you … read more
Charles
Charles
Certified Mercury Tech
5,752 satisfied customers
I have 24 foot pontoon with newly acquired 2012 115 hp
I have 24 foot pontoon with newly acquired 2012 115 hp mercury 4 stroke outboard. What size prop is optimal for my boat. … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
24,872 satisfied customers
I have a Starcraft Pontoon, I have 2006 Starcraft Pontoon
I have 2006 Starcraft Pontoon that is a 226. It has 2006 Mercury 115 EFI 4 Stroke on it. I'm topping out a 5000 rpm's and maxing out at 15mph per GPS. This is with the boat unloaded. Max RPM range is 5000-6000. … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
24,872 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
Will a Black Max 77340A45 prop work on a model 1115F531D
will a Black Max 77340A45 prop work on a model 1115F531D mercury outboard? 115 Hp command thrust… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
24,872 satisfied customers
I have a sun track 21 foot with a 60 horse big foot mercury.
I have a sun track 21 foot with a 60 horse big foot mercury. i was told that when i brought the boat that the big foot mean that i have the horse power of a 90 horse and the economy of a 60, but the b… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
Hi,Hopefully you can help me, I bought a 2007 FISHER PONTOON
Hi,Hopefully you can help me, I bought a 2007 FISHER PONTOON 24ft. It came with a 60 hp. Mercury Outboard Motor that had no prop, I am trying to find out which prop would work best for the Pontoon, We… read more
Charles
Charles
Certified Mercury Tech
5,752 satisfied customers
I have a 2001 Bass Pro Targa 17 Tracker with a 90hp four stroke
I have a 2001 Bass Pro Targa 17 Tracker with a 90hp four stroke mercury outboard. The propeller delivered with the boat is a 13.25 X 17. Boat weight approximately 2618 pounds. I cruise at 35mph @ 4,00… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
New 40 HP Mercury 3 cyl 4 stroke (replacing 40 HP Mariner 2
New 40 HP Mercury 3 cyl 4 stroke (replacing 40 HP Mariner 2 stroke) on pontoon. Having bad harmonic engine noise. Usually over 2800 rpm. Dealer has tried a solid hub prop ilo of the sliding hub, small… 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
New to a Pontoon> What size and pitch prop should I use for
New to a Pontoon> What size and pitch prop should I use for a 2003 Mercury ELPTO 50 HP motor? It's a 2002 Crest II 22' pontoon. Thanks… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
Can you give me the advantages/disadvantages to upgrade to
Can you give me the advantages/disadvantages to upgrade to a Opti Max 115 Mercury outboard from a 2008 90 mercury 2 stroke. Speed, hole shot, rpm ranges, etc. I have a 2009 X4 Nitro 17'3" bass boat an… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,730 satisfied customers
I have a 2000 Evinrude 70 hp 4 stroke. Ive ordered a prop
I have a 2000 Evinrude 70 hp 4 stroke. I've ordered a prop from Evinrude twice now and it doesn't fit. But Evinrude keeps telling me it is the right one. Whats up? Has anybody had any expierence with … read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,730 satisfied customers
I have a 2005 Tracker V-18 Tournament bass boat with a 90hp
I have a 2005 Tracker V-18 Tournament bass boat with a 90hp elpto mercury motor max rpm 5500. It currently has an aluminum 21 in pitch with 12.75 circum. prop. I am looking for a high performance stai… read more
Scott
Scott
Marine technician
Vocational, Technical or Trade Scho
543 satisfied customers
We purchased a Mercury 75 hp engine. It is a 2005 75ELPT0.
We purchased a Mercury 75 hp engine. It is a 2005 75ELPT0. We want to know what the recommended prop is for it and we want to know where we can find the manual for it. Thank you!… read more
Captain Dave
Captain Dave
Charter Captain & I.S. Director
Master's Degree
2,808 satisfied customers
I have a 94 Bayliner Trophy 2502FH with tow Mercury black max
I have a 94 Bayliner Trophy 2502FH with tow Mercury black max 150hp outboards. The two props were stolen. I do not know which prop to purchase for these motors. One is Counter-rotating, the other is n… read more
Captain Dave
Captain Dave
Charter Captain & I.S. Director
Master's Degree
2,808 satisfied customers
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Meet the Experts:

Ted G.

Ted G.

Rigger, Diagnostician

3,332 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

24,872 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

Noel Schembri

Noel Schembri

Marine Mechanic

2,759 satisfied customers

Advanced technical diploma

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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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