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...

0 Replies

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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 by Viper View the latest post
November 11th, 2025, 5:34 pm

Topics

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Starboard Engine Overheating

Last post by Viper « May 12th, 2016, 10:35 pm
Replies: 3
by MarkHobbs88 » May 12th, 2016, 1:25 pm

I have twin 454s and they run fine at low RPMs. However, if I try to open the boat up at all, the starboard engine quickly gets too hot. 30 seconds...

3 Replies

2314 Views

Last post by Viper View the latest post
May 12th, 2016, 10:35 pm
Lower Unit Gear Oil

Last post by Viper « May 9th, 2016, 10:05 pm
Replies: 4
by feeez » May 9th, 2016, 3:01 pm

I acquired a dinghy for our boat last season. This will be the first year I am doing spring maintenance on the outboard motor. It is a Mercury 9.9...

4 Replies

1839 Views

Last post by Viper View the latest post
May 9th, 2016, 10:05 pm
bad transmission?

Last post by JimHayes11 « May 1st, 2016, 11:38 pm
Replies: 4
by iceman3500 » October 23rd, 2014, 9:03 pm

So I cruised out to our local large marina to get my tanks pumped out before winter. Pulling up to the dock, I idled back to neutral but was still...

4 Replies

3590 Views

Last post by JimHayes11 View the latest post
May 1st, 2016, 11:38 pm
2000 Carver 406 7.4 MPI Spark Plugs

Last post by crquisto « April 25th, 2016, 5:35 pm
Replies: 2
by crquisto » April 25th, 2016, 3:18 pm

I can't see placards on my engines and couldn't get an answer from my books, so I'll just ask here: Does anyone know what spark plugs are specified...

2 Replies

1604 Views

Last post by crquisto View the latest post
April 25th, 2016, 5:35 pm
7.4 mercruiser winterizing

Last post by crquisto « April 25th, 2016, 2:55 pm
Replies: 3
by crquisto » November 9th, 2015, 10:23 pm

Does anyone know how many gallons of antifreeze it takes to winterize each engine's seawater side from the thru-hull to the exhaust on my 2000 405...

3 Replies

3903 Views

Last post by crquisto View the latest post
April 25th, 2016, 2:55 pm
Walter V Drive

Last post by deenbob1 « April 23rd, 2016, 2:38 pm
Replies: 1
by nolacarver » April 23rd, 2016, 12:42 pm

Does anyone know where I can find a used Walter V Drive possibly from a salvaged boat? mid 70's model Walter V Drive Ratio 2.05-1 part# RV-20D . Any...

1 Replies

1512 Views

Last post by deenbob1 View the latest post
April 23rd, 2016, 2:38 pm
Can't find neutral

Last post by Viper « April 18th, 2016, 8:53 pm
Replies: 8
by tonym » April 14th, 2016, 10:37 am

Greetings All,
Any suggestions as to why I can't find neural on a B/W Velvet drive ?
thanks,
tony

8 Replies

3465 Views

Last post by Viper View the latest post
April 18th, 2016, 8:53 pm
FUEL FILTER LOCATION

Last post by Viper « March 10th, 2016, 7:50 pm
Replies: 1
by djvj » March 10th, 2016, 7:21 pm

We need to know were the fuel filters are located for the 7.4/454 mpi engines on a carver 380 santego. She has been setting up for about a year and...

1 Replies

1533 Views

Last post by Viper View the latest post
March 10th, 2016, 7:50 pm
Drive units

Last post by Viper « February 1st, 2016, 10:33 pm
Replies: 6
by Ilboy217 » January 30th, 2016, 9:38 pm

Question. I'm kinda new to the inboard thing. Why would someone have the drive shafts and props plus have out drives?

6 Replies

2652 Views

Last post by Viper View the latest post
February 1st, 2016, 10:33 pm
rpm drops at high speed

Last post by SplashyLady « February 1st, 2016, 4:11 pm
Replies: 2
by mhirschhorn » January 31st, 2016, 12:45 pm

I have a1987 Riviera 28 with twin 220hp crusaders. One engine is fine at low rpms, but when advancing the throttle, the revs drop and then go up and...

2 Replies

2039 Views

Last post by SplashyLady View the latest post
February 1st, 2016, 4:11 pm
Suggested Oil for 1997 Crusader 454 XLi's

Last post by waybomb « January 14th, 2016, 12:43 pm
Replies: 14
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by Wayne162 » December 26th, 2015, 9:53 pm

I am sure that their have been past discussion on this topic but here go's anyway.
I am looking for a good marine grade oil for my boat's power...
14 Replies

11204 Views

Last post by waybomb View the latest post
January 14th, 2016, 12:43 pm
Anybody know what this is?

Last post by SplashyLady « January 5th, 2016, 3:36 pm
Replies: 7
by Washopay » August 21st, 2015, 12:39 pm

Hi boys,
I'm having a problem with my Onan Genny. I believe I've isolated it down to a fuel issue. Does any body know what this silver can on the...

7 Replies

3582 Views

Last post by SplashyLady View the latest post
January 5th, 2016, 3:36 pm
1994 Carver 39' Motor Yacht

Last post by tonyiiiafl « December 31st, 2015, 5:10 am
Replies: 2
by tonyiiiafl » December 30th, 2015, 6:19 pm

We just became the proud owners of a 1994 Carver 39' Cockpit Motor Yacht. She had been owned by the same person the last 18 years and yard...

2 Replies

2195 Views

Last post by tonyiiiafl View the latest post
December 31st, 2015, 5:10 am
Volvo Penta 7.4 H.P.

Last post by Ramsport47 « December 30th, 2015, 8:02 am
Replies: 3
by 1Hatterasman » December 16th, 2015, 8:52 pm

I'm looking at a 1995 Carver 250 Mid Cabin with a Volvo Penta 7.4 in it . Anyone know the H.P. for that motor and that year? Thanks

3 Replies

2114 Views

Last post by Ramsport47 View the latest post
December 30th, 2015, 8:02 am
A very strange Issue, We need Help

Last post by Lyndon670 « December 8th, 2015, 4:55 pm
Replies: 2
by canalside » December 7th, 2015, 6:23 pm

I have a real strange issue. I have a 7.4 liter Volvo penta engines. The engine ran for 58 days as we traveled south and every thing was great. IT...

2 Replies

2117 Views

Last post by Lyndon670 View the latest post
December 8th, 2015, 4:55 pm
V Drive problem. replace or rebuild?

Last post by nolacarver « November 24th, 2015, 7:58 am
Replies: 3
by nolacarver » November 19th, 2015, 6:34 am

My v drive started making a horrible noise and when i pulled the dip stick the oil was burnt. Can I remove v drive while in the water? should I...

3 Replies

3017 Views

Last post by nolacarver View the latest post
November 24th, 2015, 7:58 am
Changing Oil

Last post by Viper « November 7th, 2015, 11:27 pm
Replies: 5
by Jangocat » November 2nd, 2015, 2:25 pm

Hi Group, I need to change the oil in our 1975 Santa Cruz. It has twin 302 Wauskesha Fords. Whats the best way to remove the oil from the engine?...

5 Replies

3659 Views

Last post by Viper View the latest post
November 7th, 2015, 11:27 pm
Oil Type

Last post by Viper « November 4th, 2015, 8:18 pm
Replies: 2
by Terra Nova » November 4th, 2015, 10:23 am

I have twin 5.7 litre merc cruiser engines. Thunderbolt ignition. I bought the boat used and the former owner who had it for 18 years has always used...

2 Replies

2828 Views

Last post by Viper View the latest post
November 4th, 2015, 8:18 pm
Flybridge Throttles

Last post by Terra Nova « November 4th, 2015, 10:16 am
Replies: 4
by Terra Nova » September 8th, 2015, 1:32 pm

I have a 1988 3207 Aft Cabin Carver. The Starboard throttle on my flybridge keeps slipping so I have to continuously hold it to keep it in position....

4 Replies

3695 Views

Last post by Terra Nova View the latest post
November 4th, 2015, 10:16 am
1997 Carver 405 Gas Engines

Last post by Wayne162 « September 25th, 2015, 10:15 am
Replies: 2
by Wayne162 » September 21st, 2015, 5:31 pm

I have a question on the 405's gas engines that I am having surveyed and sea trialed tomorrow. The boat has Crusader 454's in it but I don't know the...

2 Replies

2334 Views

Last post by Wayne162 View the latest post
September 25th, 2015, 10:15 am
Oil Pressure Sensor

Last post by waybomb « September 21st, 2015, 12:15 pm
Replies: 1
by feeez » September 20th, 2015, 11:22 pm

I have a intermittent jumpy oil pressure gauge on my port side. I have checked the connection at the back on the gauge and every thing is tight. I...

1 Replies

3500 Views

Last post by waybomb View the latest post
September 21st, 2015, 12:15 pm
Oil dipstick reading

Last post by RGrew176 « September 20th, 2015, 11:15 pm
Replies: 2
by Chris86 » September 20th, 2015, 1:20 pm

Hi all. I have twin 454 Crusaders in a 1986 4207. I bought the boat about 3 months ago. The oil in both mains looks practically new. But how can you...

2 Replies

3468 Views

Last post by RGrew176 View the latest post
September 20th, 2015, 11:15 pm
Engine starter won't engage

Last post by Viper « September 13th, 2015, 10:55 am
Replies: 3
by dsouder » September 12th, 2015, 10:04 pm

I have a '94 Carver 300 AFT Cabin with 350 Mercursier engines. Just out of no where, when I engage the starter ignition switches, nothing happens....

3 Replies

2546 Views

Last post by Viper View the latest post
September 13th, 2015, 10:55 am
1995 carver 370 w/ crusader engine rpm issues

Last post by PCOMT « August 28th, 2015, 11:07 am
Replies: 2
by bwilson » July 26th, 2015, 3:35 pm

I need help tracking down a problem. I have a '95 carver 370 acmy with crusader 454 XL EFI engines. As I brought the engine down to 1500 rpm the port...

2 Replies

2364 Views

Last post by PCOMT View the latest post
August 28th, 2015, 11:07 am
Gas fill hose replacement

Last post by johnotte « August 19th, 2015, 9:49 pm
Replies: 2
by johnotte » August 19th, 2015, 5:25 pm

I have a 1999 Carver 406 Motor yacht. Both my Port and Starport fill hoses are defective. From the fill point to the top of the tank. I have ordered...

2 Replies

3432 Views

Last post by johnotte View the latest post
August 19th, 2015, 9:49 pm

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