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I have a 1988 250 sorrento Sea Ray with a 454 and Alpha 1
I have a 1988 250 sorrento Sea Ray with a 454 and Alpha 1 gen1 out drive .. My out drive went out , what alpha 1 gen 1 drive are compatible for mine.. I found a complete alpha 1 gen1 for sale that was… read more
Jason
Jason
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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
Certified Mercury Tech
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NPearl, I have a 14 year old Larson 20.08 with a 5l
Hi nPearl, I have a 14 year old Larson 20.08 with a 5l Mercruiser. … read more
Jason
Jason
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I have a1999 290 sea ray sundancer. What is max props that
I have a1999 290 sea ray sundancer . What is max props that can be installed. Won't plane out...max rpm 4400-4800. Only at 4000 full throttle. Suggest prop size and pitch. Thanks. Jim… read more
Jason
Jason
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I cannot read the numbers on my propeller, what is the
I cannot read the numbers on my propeller, what is the standard propeller for a Mercruiser Alpha one (3.0L engine Inboard out board) on a 2005 Magum 1800 MX?… read more
Tan
Tan
MerCruiser Certified Technician
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1998 Sea Ray 270 serial number Serr4596B898 outdrive serial
1998 Sea Ray 270 serial number Serr4596B898 outdrive serial number 0L170277 engine serial number M001151 this is these 7.4 m p athis is these 7.4 MPI this was a Bravo 3 outdrive the out drive was miss… read more
Jason
Jason
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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
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I have a 1988 Campion Allante 185 5.0 Mercruiserwith an alpha
I have a 1988 Campion Allante 185 5.0 Mercruiserwith an alpha 1 outboard my question is: I want too upgrade the prop 2 stainless steel 3 or 4 blade which would be the best option for me the one that i… read more
Tan
Tan
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Certified Marine Technician
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I am repowering Bayliner 2755. Found almost new MCM 5.0 MPI
I am repowering Bayliner 2755. Found almost new MCM 5.0 MPI (w/Bravo1 ECM). Which drive would be the best choice? Bravo 1 or Bravo 2? And what gear ratio, to get the most of this engine? What kind of … read more
Tan
Tan
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I ALREADY HAVE BOWRIDER SEA RAY 200 YEAR 2002 WITH MERCRUISER
I ALREADY HAVE BOWRIDER SEA RAY 200 YEAR 2002 WITH MERCRUISER ALPHA 1 STERNDRIVE AND 5.0 MPI 260 HP. THEY HAVE A SERIOUS POOR BOAT PERFOMANCE.WITH MERCURY VENEANCE SS PROP 3 BLADES PITCH 19",TAKE A LO… read more
orcamarine
orcamarine
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Vocational, Technical or Trade Scho
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bayliner ciera: james i ve install a 454 mpi in my 2855 bayliner
james i 've install a 454 mpi in my 2855 bayliner ,the prop i am running is a 18 inch 4 blade aluminum ,at 26 mph the motor revs at 4000 rpm ,is that a little high, and do you have a sugestion to what… read more
James
James
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Vocational, Technical or Trade Scho
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I bought a 2006 Formula 240 BR with a 496 mercruiser, 375hp.
I bought a 2006 Formula 240 BR with a 496 mercruiser, 375hp. Bravo III 26 pitch props with a high altitude gear ratio, 2.2/1. I live at 550 feet above sea level and am worried about the high altitude … read more
Tan
Tan
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recently bought 2002 Bennington 25 tritoon pontoon with mercuris
recently bought 2002 Bennington 25' tritoon pontoon with mercuriser 5.0 265hp Alpha One stern drive-no problems but want to get manuals--I need info on terms used---Alpha 0ne -Bravo -1or 2or-3---Gener… read more
Jeff G.
Jeff G.
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Vocational, Technical or Trade Scho
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I have a 1989 Sea Ray 200, V6 engine. What Mercruiser Alpha
I have a 1989 Sea Ray 200, V6 engine. What Mercruiser Alpha One Gen 1 outdrive gear ratios are compatable? Is it practical to used an outdrive from a V8 and change prop pitch?… read more
capt ron 1959
capt ron 1959
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348 satisfied customers
I recently purchased a 1997 Sea Ray with only 93 hours on it.
I recently purchased a 1997 Sea Ray with only 93 hours on it. Great boat. Great motor - 454 Mercruiser/Bravo 1. I'm trying to find a perfect prop. I like top end and fuel economy. It had a SS 19P 3 bl… read more
Whitecap36
Whitecap36
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What is the gear ratio in the outdrive of a 1983 webbcraft
What is the gear ratio in the outdrive of a 1983 webbcraft enterprise 23'. the boat had a 5.7 mercruiser in it i am putting a 454 into it so whats the best gear ratio to have in the lower unit? THANKS… read more
capt ron 1959
capt ron 1959
Owner/Marine Mechanic
Vocational, Technical or Trade Scho
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I have recently installed an aftermarket stern drive on my
I have recently installed an aftermarket stern drive on my 1991 boat with alpha model Mercruiser engine. It now has trouble achieving planing speed. The motor does not turn as fast as it used to eithe… read more
Pappy's Sales and Service
Pappy's Sales and Service
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586 satisfied customers
please suggest prop size for 26ft, twin engine 260 hp and ...
please suggest prop size for 26ft, twin engine 260 hp and 260 mercruiser i/o. dry wght.6050lbs, 125 gal fuel 4800 max rpm alpha 1 lower drives… read more
Ted G.
Ted G.
Rigger, Diagnostician
Vocational, Technical or Trade Scho
2,739 satisfied customers
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Meet the Experts:

Ted G.

Ted G.

Rigger, Diagnostician

2,739 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

22,856 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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