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 waybomb « August 31st, 2018, 8:51 am
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...
125 Replies

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Last post by waybomb View the latest post
August 31st, 2018, 8:51 am

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WOT less than 3k

Last post by Capn Crunch « September 19th, 2018, 4:55 pm
Replies: 34
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by Capn Crunch » September 7th, 2018, 11:05 am

Hi all. Hoping to confirm diagnosis.

New to us boat came with reman long block 5.7 thunderbolt 4v engine. On first cruise would not cross 3k rpm....
34 Replies

396 Views

Last post by Capn Crunch View the latest post
September 19th, 2018, 4:55 pm
Volvo Penta relay box

Last post by Viper « September 18th, 2018, 2:46 pm
Replies: 10
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by pepmyster » September 12th, 2018, 6:31 am

Just wondering, has anyone else seen this problem. 8.1 VP 2004. No double beep when turning the ignition on. All guages work, when the beep is not...
10 Replies

133 Views

Last post by Viper View the latest post
September 18th, 2018, 2:46 pm
1998 350 Mariner Mercruise 350 Magnum 2800 RPM WOT issue

Last post by Viper « September 18th, 2018, 11:40 am
Replies: 3
by grizer » September 17th, 2018, 5:01 pm

Hello, I am reposting this same issue as it is not resolved but I the forum also will not let me enter new post to it or updates (just hangs).
Here...

3 Replies

54 Views

Last post by Viper View the latest post
September 18th, 2018, 11:40 am
Walter Gear Dive Fluid Change

Last post by Viper « September 18th, 2018, 6:41 am
Replies: 3
by 390Express » September 15th, 2018, 7:20 pm

Any tips or tricks to changing the gear drive fluid? I have a Jabsco hand pump and some clear 3/16 I.D. tube, but I can’t seem to get the tube in far...

3 Replies

74 Views

Last post by Viper View the latest post
September 18th, 2018, 6:41 am
1998 350 Mariner 5.0 Merc 3000RPM WOT

Last post by grizer « September 15th, 2018, 8:18 am
Replies: 12
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by grizer » September 4th, 2018, 3:39 pm

Ok I have a strange one which will require a real GURU to give some new hints. I have read lots of posts about RPM limits under WOT but none of them...
12 Replies

228 Views

Last post by grizer View the latest post
September 15th, 2018, 8:18 am
How to select fuel sending unit?

Last post by 390Express « September 11th, 2018, 1:16 pm
Replies: 11
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by CptBacardi » July 14th, 2018, 11:17 am

My gas gauge needle sits all the way on empty and occasionally jumps rapidly to mid level and back down again. I suspect I need to replace the fuel...
11 Replies

341 Views

Last post by 390Express View the latest post
September 11th, 2018, 1:16 pm
Antifreeze Leak, closed coolant system

Last post by bud37 « September 10th, 2018, 9:17 pm
Replies: 7
by 390Express » September 10th, 2018, 1:30 pm

I was sitting on the back of the boat having a couple "sodas" last weekend with my buddy Dan, he left, I was messing around in the cabin,...

7 Replies

77 Views

Last post by bud37 View the latest post
September 10th, 2018, 9:17 pm
Tips or tricks to getting sediment out of the gas tank...

Last post by 390Express « September 10th, 2018, 1:43 pm
Replies: 18
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by 390Express » July 30th, 2018, 1:07 pm

I've drained my starboard tank twice now, gas looks good when I drain it. I've been draining it right from the rubber line that attaches to my Oberg...
18 Replies

374 Views

Last post by 390Express View the latest post
September 10th, 2018, 1:43 pm
Hot Manifolds

Last post by 390Express « September 10th, 2018, 1:25 pm
Replies: 14
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by 390Express » August 7th, 2018, 12:04 pm

Risers are good, heat exchanger is good, exhaust manifolds on the port motor only are getting really hot, really fast. Where is the most common place...
14 Replies

261 Views

Last post by 390Express View the latest post
September 10th, 2018, 1:25 pm
Carver 400 MY engine RPM issue

Last post by 390Express « September 10th, 2018, 1:17 pm
Replies: 94
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by hausherrs » February 20th, 2017, 8:11 am

Engines: Cursader 454 XLi

This past weekend I took the family out into the bay and the stbd engine wouldnt go over 2500 RPM when I had the port at...
94 Replies

2439 Views

Last post by 390Express View the latest post
September 10th, 2018, 1:17 pm
Mercruiser 7.4 MPI vs 7.4 MPI Bluewater Horizon

Last post by bud37 « September 7th, 2018, 9:14 am
Replies: 2
by tomschauer » September 6th, 2018, 11:21 pm

This past weekend a friend was on our boat, he has the same boat only about 3 years older. He was impressed by how quickly our boat came onto plane...

2 Replies

88 Views

Last post by bud37 View the latest post
September 7th, 2018, 9:14 am
Carver 356 RPM issues

Last post by cpoint « September 4th, 2018, 1:33 pm
Replies: 105
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by cpoint » July 5th, 2017, 11:47 am

I am sure I have another posting tagged on to some one else here somewhere. But this is a fresh issue, so here it goes. Last 2 weeks I noticed the...
105 Replies

2713 Views

Last post by cpoint View the latest post
September 4th, 2018, 1:33 pm
Rattling noise from HURTH transmission

Last post by Viper « September 3rd, 2018, 9:50 pm
Replies: 3
by jmm48m60 » September 3rd, 2018, 12:36 pm

Have this noise coming from starboard trans. stops when you increase idle or place it in gear. Any thought?

3 Replies

106 Views

Last post by Viper View the latest post
September 3rd, 2018, 9:50 pm
Sporadic Alarm on take off 326 AFT

Last post by DCharles « September 2nd, 2018, 10:25 am
Replies: 23
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by Marty » July 19th, 2018, 8:38 am

2000 326 Aft that periodically an alarm sounds when I throttle up to get up on plane. When I back off to idle speed the alarm stops but I have to...
23 Replies

419 Views

Last post by DCharles View the latest post
September 2nd, 2018, 10:25 am
Engine Issues

Last post by Serendipity « August 29th, 2018, 10:27 pm
Replies: 4
by Serendipity » August 16th, 2018, 7:45 am

Well unfortunately I started the trip yesterday and the starboard engine would not increase above 3000 rpms. Generator started making a clanking...

4 Replies

25 Views

Last post by Serendipity View the latest post
August 29th, 2018, 10:27 pm
Crusader 5.7 TBI Specs

Last post by Zarko48 « August 27th, 2018, 6:28 pm
Replies: 2
by Zarko48 » August 27th, 2018, 10:56 am

Hi All

I have a "new to me" 97 350 Mariner with 1996 (according to the serial #s) 5.7 XL TBI Crusaders with closed cooling. The good news...

2 Replies

79 Views

Last post by Zarko48 View the latest post
August 27th, 2018, 6:28 pm
Spare Parts while on a LONG passage

Last post by Keith S « August 24th, 2018, 1:19 pm
Replies: 14
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by Kendaukcat » August 16th, 2018, 11:06 am

Good Morning!

I am getting ready to leave from Cincinnati, OH to the Florida Keys on my 1998 Carver 405. She is powered by two Crusader 454 XL's and...
14 Replies

301 Views

Last post by Keith S View the latest post
August 24th, 2018, 1:19 pm
Velvet Transmission sensor bypass

Last post by flo2 « August 19th, 2018, 9:30 am
Replies: 3
by flo2 » August 18th, 2018, 10:54 am

I was having fun down there in the engine room(closet) and pulled a wire connected to a sensor on the transmission.
The sensor has 2 pins, a black...

3 Replies

200 Views

Last post by flo2 View the latest post
August 19th, 2018, 9:30 am
Fuel Maintenance Strategy

Last post by 390Express « August 18th, 2018, 9:22 pm
Replies: 9
by steveoh » August 17th, 2018, 8:48 am

My last boat was a diesel boat, and as I continue my search for a 325/326 Aft cabin gas boat, something occurred to me. Based on an experience having...

9 Replies

286 Views

Last post by 390Express View the latest post
August 18th, 2018, 9:22 pm
5.7 MPI Crusader Cruise and WOT Expected RPM?

Last post by tomschauer « August 17th, 2018, 2:00 pm
Replies: 10
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by steveoh » August 8th, 2018, 9:35 am

I recently looked at a 1999 326 Aft Cabin and got a piece of info from the broker that I'm curious about. The seller told the broker the last time he...
10 Replies

241 Views

Last post by tomschauer View the latest post
August 17th, 2018, 2:00 pm
When Was Fuel Injection Introduced?

Last post by 390Express « August 17th, 2018, 12:22 am
Replies: 5
by steveoh » August 9th, 2018, 3:24 pm

Anybody have an idea in what model year fuel injection was introduced in the Crusader engines? Also, I read something that said the CM 350XL was...

5 Replies

149 Views

Last post by 390Express View the latest post
August 17th, 2018, 12:22 am
Hatch gasket?

Last post by 390Express « August 16th, 2018, 6:23 pm
Replies: 2
by 390Express » July 6th, 2018, 5:00 pm

My boat has a large hatch that opens with two hydraulic rams, and a smaller hatch in the large hatch for quick access, and in case I need access with...

2 Replies

203 Views

Last post by 390Express View the latest post
August 16th, 2018, 6:23 pm
3207 Ignition Problems

Last post by km1125 « August 14th, 2018, 11:20 am
Replies: 4
by redmen62 » August 13th, 2018, 9:20 pm

Hey everyone,

I have 2 issues going on, and hoped the answer might be with one of you! 1985 3207, twin Crusader 270s (350 v8)

I'm having an...

4 Replies

128 Views

Last post by km1125 View the latest post
August 14th, 2018, 11:20 am
Kohler 7.3 ECD-CB Generator - '06 41 CMY - Gas

Last post by Keith S « August 9th, 2018, 12:54 pm
Replies: 5
by AlexHardesty » August 7th, 2018, 12:30 pm

'06 41 CMY Gas Volvo Penta 8.1s with a Kohler 7.3 ECD-CB generator. Last fall when we purchased the boat there was an issue with the generator....

5 Replies

114 Views

Last post by Keith S View the latest post
August 9th, 2018, 12:54 pm
Hurth 630 Transmission

Last post by Bandit « August 6th, 2018, 10:10 am
Replies: 3
by staticman4414 » July 29th, 2018, 10:39 pm

So I have Crusader 5.7L engine, and a Hurth 630 transmission , but the engines are mounted "backwards" So the flywheel is towards the...

3 Replies

158 Views

Last post by Bandit View the latest post
August 6th, 2018, 10:10 am

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