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Engine maintenance

GAS engine, transmission and generator repair and maintenance discussion forum.
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Topic author Canada
MyPleasure
First Mate
First Mate
Posts: 134
Joined: October 18th, 2022, 7:08 pm
Vessel Info: 1992 Carver 36 aft cabin with Volvo 740b engines. Westerbeke 5kw generator. Bought the boat in Portland Oregon in June, and a friend and I brought it up to Sidney, BC. Great trip!
Location: Victoria
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Engine maintenance

Postby 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 engines started missing on our latest trip, and I was shocked to find that both distributors had rusted so badly that the advance weights were frozen and the springs were actually missing.
I had changed the spark plugs last year and the engines seemed to be running fine, I thought, so I never even thought about a problem with the distributors.
Never take for granted that things are perfect under your distributor cap, be thorough when you’re doing a tune up on your engines!
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Al
1st Carver 1987 32 Aft Cabin
2nd Carver 1989 4207 Aft Cabin
3rd Carver 1995 350 Voyager
4th (current) 1992 36 Carver Aft Cabin

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United States of America
thatchh
Scurvy Dog
Scurvy Dog
Posts: 33
Joined: March 29th, 2018, 10:11 pm
Vessel Info: 2004 Carver 396ES gas Crusader 8.1
Location: Seattle
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Re: Engine maintenance

Postby thatchh » October 15th, 2025, 2:41 am

Wow! Were the caps missing their gaskets? Seems like way too much moisture got inside. Without the gaskets, there is a possible vapor ignition risk.
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Canada
pepmyster
Admiral
Admiral
Posts: 1026
Joined: June 5th, 2018, 7:17 am
Vessel Info: 2004 Carver 360 Sport Sedan
8.1 Volvo Penta
Fresh water boating
Location: Ottawa
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Re: Engine maintenance

Postby pepmyster » October 15th, 2025, 6:59 am

Wow. Never saw them that bad. Saltwater in the air? I see your from BC. Either sand blast them or replace, depending on the cost. Good that you found this!

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