Gas Engines/Transmissions

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New Users - Please Read

Last post by CYO Admin « February 6th, 2013, 7:49 am
Posted in Introduce Yourself!

by CYO Admin » February 6th, 2013, 7:49 am » in Introduce Yourself!

CYO is a family friendly, spam free forum. Any posts deemed inappropriate, containing personal attacks and/or bashing/slamming a person or company...

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Last post by CYO Admin View the latest post
February 6th, 2013, 7:49 am
Welcome to CarverYachtOwners.com!

Last post by Viper « November 11th, 2025, 5:34 pm
Posted in Introduce Yourself!
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by CYO Admin » January 30th, 2013, 9:07 am » in Introduce Yourself!

Welcome to CarverYachtOwners.com!

It's always confused me as to why no one ever started a carver specific message board, so here it is.

I hope you...
357 Replies

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Last post

Approximate cost to rebuild 4207 350

Last post by Viper « May 2nd, 2023, 7:21 am
Replies: 8
by bobwhorn » February 19th, 2023, 11:20 am

Looking at a 1986 4207. Owner claims he had the starboard engine rebuilt for about $12,000. Is that a reasonable price? Boat is in Seabrook/Kemah...

8 Replies

3667 Views

Last post by Viper View the latest post
May 2nd, 2023, 7:21 am
Crusader 454xl no start

Last post by bud37 « April 28th, 2023, 11:45 am
Replies: 4
by ataylor233 » April 27th, 2023, 4:08 pm

Hey guys I'm stomped I'm thinking a carb rebuild? When I put fuel into the carb it tries to start. So I took a loose the fuel line from the pump to...

4 Replies

1497 Views

Last post by bud37 View the latest post
April 28th, 2023, 11:45 am
Volvo Penta 8.1 issue

Last post by DanM « April 22nd, 2023, 9:03 am
Replies: 32
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by av8or98 » January 5th, 2021, 8:21 pm

Hello all. I purchased my first Carver, a 396 with Volvo Penta 8.1 GiL-E engines, about six months ago. Since then I've been having issues with the...
32 Replies

18351 Views

Last post by DanM View the latest post
April 22nd, 2023, 9:03 am
When to replace manifolds and riser/elbows?

Last post by PoppyTortuga « April 12th, 2023, 4:22 pm
Replies: 11
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by PoppyTortuga » April 12th, 2023, 11:53 am

Here's what I have:
2004 8.1 Volvo Penta gas engines with heat exchangers. Engines have about 1,050 hours on them, 800 of which were fresh water...
11 Replies

3735 Views

Last post by PoppyTortuga View the latest post
April 12th, 2023, 4:22 pm
Gen IV 454ci 350 hp: does this engine require a intake valley pan?

Last post by 390Express « April 10th, 2023, 8:10 pm
Replies: 1
by Yukon56Vic » April 10th, 2023, 1:22 pm

:pirate: :pirate: Have two Gen IV 454 ci 350 hp. Just replaced my port engine with new long block but was missing a box of parts needed to complete....

1 Replies

1209 Views

Last post by 390Express View the latest post
April 10th, 2023, 8:10 pm
big problem 454 xl

Last post by MyPleasure « April 8th, 2023, 10:04 pm
Replies: 16
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by ataylor233 » April 5th, 2023, 12:49 pm

So I got a deal on a 1993 Carver 350 aft cabin the Starboard engine wasn't properly winterized , as a result there is a crack in the block. I am...
16 Replies

3522 Views

Last post by MyPleasure View the latest post
April 8th, 2023, 10:04 pm
carver 350 aft cabin 454xl

Last post by km1125 « April 6th, 2023, 7:27 am
Replies: 5
by ataylor233 » April 4th, 2023, 5:05 pm

does anyone have a manual for this engine ... its from 1993 its a crusader 454 with msts ... i may need to do some work on this it has an electric...

5 Replies

1617 Views

Last post by km1125 View the latest post
April 6th, 2023, 7:27 am
Lifters for 2001 Mercruiser 350 MPI

Last post by Viper « April 5th, 2023, 6:50 am
Replies: 7
by Dark Horse » October 14th, 2022, 3:11 pm

I have 2 350 Mercruiser MPI in My 2001 350 mariner.
One of the motors has a lifter tick I just cant eliminate.
I am going to put a new set of...

7 Replies

3093 Views

Last post by Viper View the latest post
April 5th, 2023, 6:50 am
Fuel consumption 4207 with Mercruiser 350s

Last post by MyPleasure « April 4th, 2023, 3:21 am
Replies: 7
by bobwhorn » February 19th, 2023, 11:18 am

Is there a chart of fuel consumption at different sppeeds/RPMs? Coming from a sailing background where that was never an issue.
Thanks,
Bob

7 Replies

2616 Views

Last post by MyPleasure View the latest post
April 4th, 2023, 3:21 am
Gas smell....355 Carver..

Last post by bud37 « March 30th, 2023, 1:08 pm
Replies: 17
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by benica » March 22nd, 2023, 8:03 pm

Now ventilated.
Floor boards removed...fans blowing.
Issues? Did not top off the tanks. 3/4 level each tank..
1 tank Port...1 tank SB...3rd...
17 Replies

4964 Views

Last post by bud37 View the latest post
March 30th, 2023, 1:08 pm
Raw water system cleaner

Last post by Youghster « March 17th, 2023, 4:30 pm
Replies: 2
by Youghster » March 16th, 2023, 9:58 pm

I'm thinking to clean the heat exchangers on my 5.7 Crusaders. I saw a utube video that featured "Barnacle Buster" and, if it works, I'm...

2 Replies

1375 Views

Last post by Youghster View the latest post
March 17th, 2023, 4:30 pm
Kohler 6.5kw gas generator

Last post by tomschauer « February 9th, 2023, 9:03 am
Replies: 5
by Franklt1 » February 6th, 2023, 4:57 pm

I have a Kohler generator and not getting fuel to the fuel filter. I have replaced all fuel lines, fuel filter, fuel pump and main circuit board....

5 Replies

1673 Views

Last post by tomschauer View the latest post
February 9th, 2023, 9:03 am
Need Starboard Starter ID 1993 Carver Mariner 330

Last post by Cooler « February 2nd, 2023, 1:46 pm
Replies: 2
by LuckyRuby330 » January 16th, 2023, 8:45 pm

Greetings,

I have a 1993 Mariner 330 with twin Crusaders 350XL/305CI My starboard starter motor failed. I have been trying to find a replacement,...

2 Replies

1618 Views

Last post by Cooler View the latest post
February 2nd, 2023, 1:46 pm
Risers

Last post by tonyiiiafl « January 2nd, 2023, 7:12 pm

by tonyiiiafl » January 2nd, 2023, 7:12 pm

My 1994 390 CPMY has 7.4 carb Mercruiser (GM) engines, closed cooled, full system. Stamped on exhaust riser is 807988-C. I see numbers ending in A3,...

0 Replies

1158 Views

Last post by tonyiiiafl View the latest post
January 2nd, 2023, 7:12 pm
1994 7.4 390CPMY Mercruiser risers

Last post by paulr « December 22nd, 2022, 4:50 pm
Replies: 4
by tonyiiiafl » September 25th, 2022, 6:10 pm

Closed cooling, risers only, manifolds are anti-freeze cooled. Just completed season 6 on the risers, so it should be time for replacement. It is a...

4 Replies

2270 Views

Last post by paulr View the latest post
December 22nd, 2022, 4:50 pm
Onan MCCK 6.5KW GenSet ignition coil search

Last post by Viper « December 16th, 2022, 8:45 pm
Replies: 1
by rictamily » December 16th, 2022, 10:12 am

Hi,

Does anyone know where I can buy an ignition coil part number 166-0382? Generator info is:

model/ spec number is 6.5 mcck - 3cr/1h

Class= F...

1 Replies

1758 Views

Last post by Viper View the latest post
December 16th, 2022, 8:45 pm
Source for rebuilt Velvet drives?

Last post by waybomb « December 7th, 2022, 6:53 pm
Replies: 10
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by waybomb » October 21st, 2022, 4:34 pm

Bringing the boat over to the marina for winter storage, blew the starboard Trans.
Is there a reliable rebuilder out there. As close to michigan as...
10 Replies

3693 Views

Last post by waybomb View the latest post
December 7th, 2022, 6:53 pm
1997 Carver Aft 355 with twin Crusaders.. 7.4's...

Last post by Viper « December 6th, 2022, 10:23 pm
Replies: 6
by benica » December 6th, 2022, 6:33 am

Hopefully, I can help another when the time comes...
Today I need some ideas...
Started out on a 7 day boat ride...
Fresh oil, fuel, plugs, wires,...

6 Replies

2109 Views

Last post by Viper View the latest post
December 6th, 2022, 10:23 pm
Carburetor for 7.5 KW Generator

Last post by gctiii « November 10th, 2022, 7:07 am
Replies: 10
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by gctiii » November 6th, 2022, 3:44 pm

Hi all you smart boat mechanics and suppliers. I am the owner of a 1990 model 3557 Montego.

I have a serious dilemma; I am looking for operable...
10 Replies

4142 Views

Last post by gctiii View the latest post
November 10th, 2022, 7:07 am
Fuel cut off valves

Last post by Cooler « October 28th, 2022, 10:50 am
Replies: 2
by Rckafla77 » October 27th, 2022, 2:48 am

I am in 19 9028 foot carver mariner and I can’t find out I can’t figure out where the fuel valves are and only thing I can think of for the engine...

2 Replies

1761 Views

Last post by Cooler View the latest post
October 28th, 2022, 10:50 am
33ss 8.1 crusader engines fluctuating rpms HELP

Last post by cpoint « October 24th, 2022, 1:43 pm
Replies: 35
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by mrterry72@gmail.com » August 27th, 2021, 6:35 pm

On my 33ss we ran about 3 hours and the starboard engine rpm went from 3000 to 2500 back to 3000 then to 1700 rpm pack to 3000 and so on .. I...
35 Replies

25255 Views

Last post by cpoint View the latest post
October 24th, 2022, 1:43 pm
Tune up needs another going over

Last post by Cooler « October 18th, 2022, 8:13 am
Replies: 10
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by tonyiiiafl » October 16th, 2022, 5:24 pm

Brought the old gal up the river to winter storage. Ran great, or so I thought. Started fine, idled supreme and moved along at 3,000 perfectly. I...
10 Replies

3560 Views

Last post by Cooler View the latest post
October 18th, 2022, 8:13 am
WHAT are people thinking who THINK they are a mechanic ?

Last post by KyleR « October 11th, 2022, 5:06 pm
Replies: 10
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by tonyiiiafl » September 17th, 2022, 8:24 pm

I have been around gas engines many years, but my forte are diesel engines. Old school Detroits, Series 60’s and some Cummins.

My engines have been...
10 Replies

2817 Views

Last post by KyleR View the latest post
October 11th, 2022, 5:06 pm
MEFI-4 Idle Hunt at Start Mystery

Last post by bud37 « October 8th, 2022, 7:57 pm
Replies: 17
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by Delorean6855 » August 22nd, 2022, 12:37 pm

Am struggling with a mystery.

I have twin 2004 crusader 6.0s. On any start, hot or cold, the engine hunts for idle with wide swings. It settles...
17 Replies

3983 Views

Last post by bud37 View the latest post
October 8th, 2022, 7:57 pm
2007 Carver Mariner help!

Last post by Cooler « October 3rd, 2022, 7:06 am
Replies: 6
by JPS » October 1st, 2022, 12:36 pm

I’m at wits end with my 2007 Carver Mariner equipped with 5.7 MPI Crusader gas engines.

The problem is that after about an hour of moderate load on...

6 Replies

2771 Views

Last post by Cooler View the latest post
October 3rd, 2022, 7:06 am

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