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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
5,066 satisfied customers
I have a buzzer that sounds for 3 or 4 seconds when I turn
I have a buzzer that sounds for 3 or 4 seconds when I turn my ignition key one click. I think that is to let me know that the fuel pressure is up. Then I start the engine. Today the buzzer came back o… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,627 satisfied customers
I have a 2003 sea ray 340 sundancer with twin Mercury 8.1
Hi, I have a 2003 sea ray 340 sundancer with twin Mercury 8.1 horizons. All of a sudden the starboard engine when In gear only reaches a max rpm of 3600, while the port maxes at 4200. In neutral howev… read more
Charles
Charles
Certified Mercury Tech
5,066 satisfied customers
I have a 1994 searay sundancer alpa0ne 305 2barrel what prop
i have a 1994 searay sundancer alpa0ne 305 2barrel what prop would be best i bought 15 inch with a 17 pitch is that good… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,627 satisfied customers
I have a 92 sea ray sundancer 270 that I just bought. I have
I have a 92 sea ray sundancer 270 that I just bought. I have no idea what is a safe RPM to cruise at for the 7.4 liter Mer Crusier V8… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
I have a 260 signature SEARAY BR with a 7.4 Bravo 3 . Boat
I have a 260 signature SEARAY BR with a 7.4 Bravo 3 . Boat doesn't go up of 3000 rpm and feel like combustion or electric failure ...like is running in less than 7 0r 6 cyl... They have srviced the in… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,627 satisfied customers
hi, Im ralph and i have a 1988 formula 26 pc . it orginally
hi, I'm ralph and i have a 1988 formula 26 pc . it orginally came with a bravo 1 outdrive per formula tech assist. with a 454 carb. engine. it was replaced in 1999 with a 454 merc. 0L310591 7.4 mpi in… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
on my 33 searay sundanser i have two 7.4 l eng and starboard
on my 33 searay sundanser i have two 7.4 l eng and starboard one looses rpm while driving after 3000rpm and picks up on left turn any advise ???… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,627 satisfied customers
I saw a 1996 chaparral 2130 ss with a 7.4 mercruiser,bravo
I saw a 1996 chaparral 2130 ss with a 7.4 mercruiser,bravo 2 outdrive,dual stainless steel prop with extended hull for quick planning. I was told this engine over heats. What is the gas mileage? Will … read more
Noel Schembri
Noel Schembri
Marine mechanic
Diploma
1,735 satisfied customers
I have a 1998 Rinker 232 Captiva boat with a 7.4 liter motor.
I have a 1998 Rinker 232 Captiva boat with a 7.4 liter motor. At full throttle I show 4200 RPM. I have changed props a couple of times and only get about 45mph. Is their something I can change in the … read more
Whitecap36
Whitecap36
Service Manager/Technician
Vocational, Technical or Trade Scho
1,545 satisfied customers
I have a 1995 Crownline 266BR with the 7.4L Mercruiser I/O.
I have a 1995 Crownline 266BR with the 7.4L Mercruiser I/O. I bought the boat used, so I don't have the factory recommended Prop Pitch and diameter, and I'm not sure what the top speed range should be… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
How would i do by switching to a bravo 3 from a bravo 1. 1988
How would i do by switching to a bravo 3 from a bravo 1. 1988 265 searay sedan bridge with a 7.4 liter… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,729 satisfied customers
I have a 1996 270 SeaRay...7.4 carb 310 hp....The engine was
I have a 1996 270 SeaRay Sundancer...7.4 carb 310 hp....The engine was replaced a year before I had bought it...Suppose to run about 40MPH at 4200RPM's...The boat is stock including the prop...It will… read more
Captain Dave
Captain Dave
Marine Mechanic
Master's Degree
2,672 satisfied customers
I just bought a newreplacement mercrusier 7.4 litre magmum
I just bought a newreplacement mercrusier 7.4 litre magmum horizon engine for my 2000 Searay 340 Sundancer. How long should it take for a trained searay mechanic to remove my existing engine, strip pa… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
Have about a quarter turn of play or what one would call a
Have about a quarter turn of play or what one would call a dead spot in my boat steering. The nut and bolt assembly that connects to the rudder arm has a bushing/collar that seems to have a little pla… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
What is the correct gear ratio for the outdrive on a MCM 5.7Lv8
What is the correct gear ratio for the outdrive on a MCM 5.7Lv8 the boat is a Rinker, Engine serial # XXXXX Trans serial # XXXXX there is a 1.84:1 on at the moment but we think it has been changed, an… read more
capt ron 1959
capt ron 1959
Owner/Marine Mechanic
Vocational, Technical or Trade Scho
348 satisfied customers
what is the optimum RPM range for my 7.4 liter mercruiser to
what is the optimum RPM range for my 7.4 liter mercruiser to operate. I just bought a used boat and im trying to learn wear to tune my variable pitch prop. Also the engine runs rough when cruising at … read more
briggs archer
briggs archer
master marine mechanic
Associate Degree
374 satisfied customers
We were out cruising the other day when the port side tachometer
We were out cruising the other day when the port side tachometer drifted up to over 5500 rpms. The synchronizer showed that the engines were running dead even. I even knew by the sound of the engines … read more
ROCKET
ROCKET
MASTER CERTIFIED TECH
Vocational, Technical or Trade Scho
426 satisfied customers
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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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