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

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Gas tank leak

Last post by Matt1989Carver3807 « October 18th, 2021, 2:43 am
Replies: 44
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by Matt1989Carver3807 » May 20th, 2021, 1:34 am

Hi. After haul out fall 2020 port alum tank started to leak from an unseen site. Tank was full and appears to have pinhole leak about a cupful daily....
44 Replies

17173 Views

Last post by Matt1989Carver3807 View the latest post
October 18th, 2021, 2:43 am
1997 Carver 325 exhaust collector

Last post by Cooler « October 14th, 2021, 10:14 am
Replies: 1
by carver#325 » October 12th, 2021, 4:15 pm

Just wondering if anyone else has removed the backflow valves in the exhaust collectors? I cannot see the need for them as they are well above the...

1 Replies

1330 Views

Last post by Cooler View the latest post
October 14th, 2021, 10:14 am
Do it again jack.

Last post by tonyiiiafl « October 1st, 2021, 3:45 pm

by tonyiiiafl » October 1st, 2021, 3:45 pm

Well. Put this in the do it again pile. Replaced raw water pump in my 454 merc Gen. IV. Done and fired it up and the pressed on pulley is pressure...

0 Replies

1155 Views

Last post by tonyiiiafl View the latest post
October 1st, 2021, 3:45 pm
Navigating in salt water with Crusaders

Last post by JimCarver « September 29th, 2021, 8:05 am
Replies: 6
by JimCarver » September 13th, 2021, 4:06 am

Hello,
My home port is in Gananoque, Ontario where my 360 Mariner with Crusader engines has ran in fresh water its whole life (650 hours). I'm...

6 Replies

2893 Views

Last post by JimCarver View the latest post
September 29th, 2021, 8:05 am
Oil change?

Last post by pepmyster « September 28th, 2021, 6:38 pm
Replies: 10
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by tonyiiiafl » September 27th, 2021, 8:14 pm

I am not one to change oil early, I rather go to what is recommended. I changed my 2019 Tiguan every 10,000 and when I owned heavy diesel tractor...
10 Replies

4036 Views

Last post by pepmyster View the latest post
September 28th, 2021, 6:38 pm
Best DIY way to drain gas tank?

Last post by Dewmyster « September 21st, 2021, 6:00 pm
Replies: 8
by darylann » September 20th, 2021, 6:07 pm

We finally figured out why my port engine won’t run. I’ve got spark and the carburetor is getting gas, but we can’t keep it going without starter...

8 Replies

3105 Views

Last post by Dewmyster View the latest post
September 21st, 2021, 6:00 pm
Crusader 350 / 270 hp Temperature

Last post by Redemption « September 9th, 2021, 7:06 am
Replies: 7
by LeapofFaith » March 28th, 2016, 8:16 am

Hi Folks,

What is the operating temperature range for a 350 Crusader / 270 hp with fresh water cooling? This is a new boat to me so I am not sure...

7 Replies

6286 Views

Last post by Redemption View the latest post
September 9th, 2021, 7:06 am
Crusader 350 XL Alarm Beep Interpretation

Last post by Viper « August 29th, 2021, 11:18 am
Replies: 6
by Thekaj » June 1st, 2021, 1:10 am

Coming home from the Memorial Day weekend trip, an alarm started going off in the dash of our 1995 325 Aft Cabin with 3550 XL Crusaders. It was...

6 Replies

2800 Views

Last post by Viper View the latest post
August 29th, 2021, 11:18 am
Riser replacement intervals

Last post by Viper « August 29th, 2021, 11:13 am
Replies: 3
by tonyiiiafl » August 28th, 2021, 8:20 pm

Merc 454’s, 3/4 closed cooling. Engine and manifolds have coolant, risers raw water. Less than 50 hours per year right now. What is your take on...

3 Replies

8126 Views

Last post by Viper View the latest post
August 29th, 2021, 11:13 am
Onan MCCK impeller change

Last post by Viper « August 23rd, 2021, 7:47 pm
Replies: 3
by BarryK » August 13th, 2021, 9:47 pm

Hi all,

I have a 1990 MCCK J series genset. I successfully removed the 4 screws from the impeller cover but the cover is frozen and I can't get it...

3 Replies

2364 Views

Last post by Viper View the latest post
August 23rd, 2021, 7:47 pm
Ignition Issues

Last post by Terra Nova « August 23rd, 2021, 6:02 pm

by Terra Nova » August 23rd, 2021, 6:02 pm

I have a 2002 410 Sports Sedan. It has twin 8.1L Mercruisers - 360 HP each. When I first got the boat in June, I was having trouble starting the port...

0 Replies

1524 Views

Last post by Terra Nova View the latest post
August 23rd, 2021, 6:02 pm
DEXRON II replacement?

Last post by tonyiiiafl « August 23rd, 2021, 6:35 am
Replies: 6
by tonyiiiafl » August 9th, 2021, 7:34 pm

Did a lot of research and see that the Dexron II fluid is yellow or light brown, so I was confused abouit it being gear lube. What has replaced this...

6 Replies

3431 Views

Last post by tonyiiiafl View the latest post
August 23rd, 2021, 6:35 am
454xli throttle body injection fuel pump

Last post by g36 « August 20th, 2021, 9:49 am
Replies: 2
by honkydog » August 18th, 2021, 12:59 pm

I had a no start issue on one of my 95 454xli engines. I traced voltage down to the fuel pump, but it just wasn't cycling when key moved to ON...

2 Replies

3060 Views

Last post by g36 View the latest post
August 20th, 2021, 9:49 am
Use of dry gas

Last post by tgebler « August 19th, 2021, 2:51 pm
Replies: 5
by tgebler » August 17th, 2021, 11:39 am

I would appreciate any experience/recommendations with the application of dry gas. We are able to buy gasoline on the street and fuel our boat at the...

5 Replies

3839 Views

Last post by tgebler View the latest post
August 19th, 2021, 2:51 pm
Idle Air Control Valve

Last post by bud37 « August 11th, 2021, 7:09 pm
Replies: 8
by Capn Crunch » August 11th, 2021, 1:58 pm

Hi all,
After replacing the fuel pump on my starboard engine injectors had a much better pattern but engine would still stall as soon as put into...

8 Replies

3608 Views

Last post by bud37 View the latest post
August 11th, 2021, 7:09 pm
Mag 350 MPI Fuel Pump

Last post by tomschauer « August 9th, 2021, 8:54 pm
Replies: 1
by Batwing » August 9th, 2021, 6:49 pm

Hey All,
I"ve had issues with my Port engine on my 1999 Carver 350 and have narrowed it down to a bad fuel pump. After identifying the part #,...

1 Replies

1606 Views

Last post by tomschauer View the latest post
August 9th, 2021, 8:54 pm
Hurth coupled to 454 Nercruiser

Last post by Viper « August 8th, 2021, 9:28 pm
Replies: 3
by tonyiiiafl » August 8th, 2021, 8:01 pm

I Hurth (maybe 630? Need to check) on my 1994 390CPMY coupled to 454 Merc Bluewater Gen V. Last couple days I have been getting a strange noise from...

3 Replies

2083 Views

Last post by Viper View the latest post
August 8th, 2021, 9:28 pm
To rebuild or replace???

Last post by Petemait « August 6th, 2021, 11:48 am
Replies: 14
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by mwest74 » August 18th, 2019, 7:08 pm

I own a 95 330 Mariner with Crusader 350 XL's. I have dumped probably my purchase price back into the boat at this point. If you want the details see...
14 Replies

7966 Views

Last post by Petemait View the latest post
August 6th, 2021, 11:48 am
1998 Crusader 350 XLi - RPM Fall-off until it dies after 45 minutes

Last post by Capn Crunch « August 2nd, 2021, 12:19 pm
Replies: 11
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by Fully_Vetted » June 2nd, 2021, 2:40 pm

Good Day all,
Trying to track down a problem we've been having with our 350 Mariners engines.

Engines: 1998 Crusader 350 XLi's, Fuel Injected into...
11 Replies

6235 Views

Last post by Capn Crunch View the latest post
August 2nd, 2021, 12:19 pm
Stalling after x length of run time

Last post by chpsk8 « August 1st, 2021, 6:59 pm
Replies: 9
by chpsk8 » July 25th, 2021, 5:34 pm

I had an odd thing happen yesterday and I could use some help troubleshooting it.

We took a 5 hour run north on the Mississippi last Monday. Speed...

9 Replies

2939 Views

Last post by chpsk8 View the latest post
August 1st, 2021, 6:59 pm
Carver Riviera - Re-Engine

Last post by waybomb « July 31st, 2021, 7:29 pm
Replies: 7
by hcarmich » July 29th, 2021, 12:16 pm

Good day,

I recently bought a used 1983 Riv. The previous owner swapped out the Crusaders back in 2003 with GM 4-bolt mains truck 350 cid engines....

7 Replies

2806 Views

Last post by waybomb View the latest post
July 31st, 2021, 7:29 pm
440 Aft Cabin Engine Hours

Last post by plittle2005 « July 31st, 2021, 3:47 pm
Replies: 4
by jbowlby » June 9th, 2021, 3:22 pm

Looking at a 1989 44 Aft Cabin with 1200 hours. 502 XLi
Thoughts or concerns?
Life span in hours for a well-maintained fresh water gas engine?...

4 Replies

2814 Views

Last post by plittle2005 View the latest post
July 31st, 2021, 3:47 pm
Crusader 350 not starting after winter

Last post by Torsson « July 28th, 2021, 5:46 pm
Replies: 18
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by Torsson » June 28th, 2019, 1:34 pm

Hello i have 2 crusaders 350 in my Carver 28. After winter one of the engine dies as soon as i rev. Me and my father got it running after putting it...
18 Replies

8154 Views

Last post by Torsson View the latest post
July 28th, 2021, 5:46 pm
Walter 26D Oil pressure switch

Last post by Torsson « July 28th, 2021, 5:41 pm
Replies: 3
by Torsson » April 13th, 2021, 2:44 pm

Hello. I am pretty sure my V-drive low oil pressure warning switch is dead on my Carver 28 Voyager with Walter 26d. If i understand these correct the...

3 Replies

2061 Views

Last post by Torsson View the latest post
July 28th, 2021, 5:41 pm
Transmission fluid change

Last post by bud37 « July 20th, 2021, 9:43 am
Replies: 20
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by nazinteck » July 23rd, 2018, 12:46 pm

I have Series 5000 Borg Warner Velvet Drive transmissions on my two 350 Crusader engines on a 1997 325 Carver Aft Cabin. I am still in the process of...
20 Replies

11785 Views

Last post by bud37 View the latest post
July 20th, 2021, 9:43 am

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