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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November 11th, 2025, 5:34 pm

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Crusader 5.7 MPI stumbles after 1 hour run

Last post by RyDrew « November 11th, 2025, 10:36 am
Replies: 11
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by RyDrew » October 18th, 2025, 6:06 pm

Hi all, new owner of a 2004 Carver 360 Mariner with twin 5.7 MPI's.
Sea trial no problem. First hour and a half of drive home after purchase was...
11 Replies

12776 Views

Last post by RyDrew View the latest post
November 11th, 2025, 10:36 am
Volvo Penta 8.1 Hard/wont start

Last post by Viper « November 4th, 2025, 9:34 pm
Replies: 7
by Jskhome62 » November 2nd, 2025, 7:26 am

Hello all. Only posting as a new topic bc after searching for a bit couldnt find anything in the list of engine problems that seemed to relate. If...

7 Replies

10380 Views

Last post by Viper View the latest post
November 4th, 2025, 9:34 pm
Most economical cruising speed

Last post by MirrorFinishPolishin « November 3rd, 2025, 10:24 pm
Replies: 28
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by MyPleasure » August 13th, 2023, 6:43 pm

Hey there Carver owners, this is our first big block 454 engined Carver, and I was wondering if anyone had any idea of the best cruising speed for...
28 Replies

10448 Views

Last post by MirrorFinishPolishin View the latest post
November 3rd, 2025, 10:24 pm
2004 Carver 350 | Wires, Caps, Rotors & Plugs Replaced | Before & After Performance Graph Inside

Last post by MirrorFinishPolishin « November 3rd, 2025, 4:10 pm

by MirrorFinishPolishin » November 3rd, 2025, 4:10 pm

Well, normally I don't do higher RPM with my Carver 350 as I usually just cruise at average speeds (not really ever in a hurry) but decided to get on...

0 Replies

3828 Views

Last post by MirrorFinishPolishin View the latest post
November 3rd, 2025, 4:10 pm
Fuel sender mystery

Last post by Carverlvr2 « October 24th, 2025, 9:38 pm
Replies: 2
by Carverlvr2 » October 24th, 2025, 6:00 pm

Ok. Let’s figure this one out…bought my 04 366 end of last year. Starboard Fuel gauge worked but read lower that port even after fill up. This year...

2 Replies

467 Views

Last post by Carverlvr2 View the latest post
October 24th, 2025, 9:38 pm
2002 6.2 Mercruiser

Last post by Pha8 « October 18th, 2025, 2:08 am
Replies: 4
by Pha8 » October 2nd, 2025, 7:54 pm

2002 6.2 Mercruiser MX MPI
Ran for 5min fine, then died? Started right up, ran for 30sec, then died. Changed the fuel/water separator, ran for 15sec,...

4 Replies

1608 Views

Last post by Pha8 View the latest post
October 18th, 2025, 2:08 am
Engine maintenance

Last post by pepmyster « October 15th, 2025, 6:59 am
Replies: 2
by MyPleasure » September 11th, 2025, 12:45 pm

Hi everyone,
I think that I’m fairly knowledgeable about gas engines, at least I thought that I was until recently. One of my Volvo Penta 740b...

2 Replies

1348 Views

Last post by pepmyster View the latest post
October 15th, 2025, 6:59 am
Transmission or Engine causing this knock?

Last post by thatchh « October 15th, 2025, 3:26 am
Replies: 12
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by kgarguilo » May 26th, 2025, 4:39 pm

While flushing my engines one at a time, I heard this noise coming from the transmission area. Sounds like a knock or maybe even grinding. It seems...
12 Replies

2455 Views

Last post by thatchh View the latest post
October 15th, 2025, 3:26 am
Starboard temp increase

Last post by thatchh « October 15th, 2025, 3:18 am
Replies: 6
by BRHEAUME » July 7th, 2025, 5:08 pm

On my last trip, I noticed a 10 degree increase on the starboard engine gauge. This engine always heated up faster and ran (according to the gauge)...

6 Replies

46271 Views

Last post by thatchh View the latest post
October 15th, 2025, 3:18 am
Kohler 10E (gas) engine parts (Ford VSG413)

Last post by thatchh « October 15th, 2025, 3:08 am
Replies: 7
by thatchh » September 1st, 2021, 10:09 pm

Hi All,
I have a Kohler 10E in my 396. It has a Ford VSG-413 4 cylinder gas engine with a build date of 2002. The generator has low hours on it and...

7 Replies

4313 Views

Last post by thatchh View the latest post
October 15th, 2025, 3:08 am
Exhaust dampers / flappers

Last post by krawdad « October 6th, 2025, 12:00 pm
Replies: 1
by krawdad » October 2nd, 2025, 6:06 pm

Has anyone ever had to service the exhaust dampers / flappers? ie: the things that keep water backing up the exhaust hose. I did not know there were...

1 Replies

1539 Views

Last post by krawdad View the latest post
October 6th, 2025, 12:00 pm
Vetus wet muffler

Last post by paulr « October 4th, 2025, 6:03 pm
Replies: 4
by pepmyster » August 25th, 2025, 8:30 am

I had the chance to run our genny while in the islands and it was flawless. Met another boater who had the same genny and you could hardly hear it....

4 Replies

1018 Views

Last post by paulr View the latest post
October 4th, 2025, 6:03 pm
Props for 390 Cockpit Motor yacht

Last post by buster53 « October 4th, 2025, 4:09 pm
Replies: 1
by NJboater65 » October 1st, 2025, 1:44 pm

I'm purchasing a 1994 390 Cockpit motor yacht. The props are shot, maybe beyond repairing. Does anyone know what the correct factory size prop is? Or...

1 Replies

1052 Views

Last post by buster53 View the latest post
October 4th, 2025, 4:09 pm
STBD engine has a breathing problem?

Last post by krawdad « October 2nd, 2025, 5:45 pm
Replies: 3
by Pha8 » June 16th, 2025, 1:27 am

2002 Carver 6.2mx Mercruisers

Twin 6.2 mx Mercs, stbd engine has a loud "hiss"?? Not sure if it has a air leak (Vaccume) or filter is...

3 Replies

1240 Views

Last post by krawdad View the latest post
October 2nd, 2025, 5:45 pm
454 crusaders rpm drop from neutral to fwd

Last post by bud37 « September 30th, 2025, 9:09 pm
Replies: 9
by sbb2112 » September 28th, 2025, 9:48 pm

Just wondering about a normal range the rpms will drop going into gear. I have carbed delco ignition with v drives on gas. 1992 vintage.

9 Replies

1784 Views

Last post by bud37 View the latest post
September 30th, 2025, 9:09 pm
Crusader 350XL 5.7 270HP LOCKED 94 Carver 300

Last post by ariannamarie1026 « September 27th, 2025, 5:34 pm
Replies: 18
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by ariannamarie1026 » September 24th, 2025, 2:30 am

Hello Everyone, I need some advice! We’re first-time boat owners of a 1994 Carver 300 Aft Cabin with twin Crusader 350 XL 5.7 engines, purchased in...
18 Replies

1622 Views

Last post by ariannamarie1026 View the latest post
September 27th, 2025, 5:34 pm
8.1 Engine replacement Aft Cabin

Last post by waybomb « September 25th, 2025, 8:38 pm
Replies: 2
by TrueNorthLat38 » September 25th, 2025, 3:59 pm

Anyone replaced the long block in their Aft cabin Carver? I'll looking for advise on how to get that damn thing out of there. I have a 2005 Carver...

2 Replies

1752 Views

Last post by waybomb View the latest post
September 25th, 2025, 8:38 pm
Crusader 350XL won't start.

Last post by wingnut « September 23rd, 2025, 1:39 pm
Replies: 7
by wingnut » September 18th, 2025, 8:09 pm

Boat: Carver 325, 1996, Crusader 350XL.electronic ignition, throttle body injectors.
Suddenly, I have no spark and no fuel at the injectors. Engine...

7 Replies

1281 Views

Last post by wingnut View the latest post
September 23rd, 2025, 1:39 pm
Genset running out of fuel

Last post by bud37 « September 11th, 2025, 4:49 pm
Replies: 42
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by MyPleasure » June 16th, 2024, 4:58 pm

Hi fellas, I’ve been having problems with my genset running out of fuel after running for a while. when I switch positions on the fuel tank selector...
42 Replies

16169 Views

Last post by bud37 View the latest post
September 11th, 2025, 4:49 pm
Data link connector location

Last post by Punch'Eau « August 31st, 2025, 10:17 pm
Replies: 22
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by Punch'Eau » July 28th, 2025, 10:30 pm

Hi, I have the chance to use a Mercruiser computer to check one of my engines for a few days but I can't locate the right connector on the engine....
22 Replies

4410 Views

Last post by Punch'Eau View the latest post
August 31st, 2025, 10:17 pm
Transmission fill tube

Last post by bud37 « August 24th, 2025, 8:28 pm
Replies: 4
by RyDrew » August 24th, 2025, 12:46 pm

I am making a a deposit on a 2004 36 Mariner this week. I'd like to do engine oil and transmission oil samples. Is the Transmission fill tube easily...

4 Replies

3131 Views

Last post by bud37 View the latest post
August 24th, 2025, 8:28 pm
79 Monterey gm350 questions

Last post by Viper « August 18th, 2025, 7:24 am
Replies: 1
by Thomask702 » August 17th, 2025, 9:55 pm

Having trouble finding out if my engine is a 2 bolt or 4 bolt main, and was wondering if someone with a similar vessel could help with that.

Also,...

1 Replies

1761 Views

Last post by Viper View the latest post
August 18th, 2025, 7:24 am
Old exhaust system

Last post by Viper « August 16th, 2025, 10:00 pm
Replies: 9
by Kruggy88 » August 15th, 2025, 9:23 pm

I originally posted this in the general maintenance but realized it would be better here.

I just pulled the port Crusader 454 out of my 1993 carver...

9 Replies

1393 Views

Last post by Viper View the latest post
August 16th, 2025, 10:00 pm
Mercury Alpha 1 gen2 drives around 2004 to 2009

Last post by Viper « August 9th, 2025, 11:13 pm
Replies: 6
by bud37 » March 20th, 2025, 7:19 pm

Since I have no experience with these, the only outdrives we ever had were the cobras in the 80's. We may be considering another boat, ( just miss...

6 Replies

134107 Views

Last post by Viper View the latest post
August 9th, 2025, 11:13 pm
1998 Crusader 350XLI EFI Hunting/Surging

Last post by Capt Happy « August 6th, 2025, 7:04 pm
Replies: 5
by Capt Happy » July 23rd, 2025, 1:22 pm

Good Day All,

Recently finished a top end rebuild of the St'bd engine.

Heads replanned, valves replaced, new pushrods. All the normal things you...

5 Replies

14545 Views

Last post by Capt Happy View the latest post
August 6th, 2025, 7:04 pm

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