Overhaul the inboard engine of Yamaha 25

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ksl

Did any one have experience to overhaul the inboard engine. It is not easy to take the whole engine out from the cabinet
 
May 11, 2005
3,431
Seidelman S37 Slidell, La.
Engine overhaul

I'm not at all familiar with the Yamaha, but if it's like most the engine will have to come out of the boat, as you can't get the bottom end apart in the boat. You can usually get the head off, but not into the bottom end.
 

Ross

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Jun 15, 2004
14,693
Islander/Wayfairer 30 sail number 25 Perryville,Md.
Had a friend over for dinner Friday night and talk

got around to big engines and a Coast Guard boat that blew a Caterpiller diesel. They ( Hugh and crew) went out to have a look and said the engine had to come out for a rebuild. The Coast Guard cut out the side of the boat next to the engine and lifted it out with a fork lift. When the rebuild was complete they welded the piece back in with fish plates for reinforcement and painted it. The cabinet shouldn't be much of a problem.
 
L

Lyn

Block & tackle

Your right it is not easy but it do-able.Most serious engine work must be done out of the boat. Check previous thread regarding engine mount replacement. The fwd installation makes the engine very easy to access. use 2 block & tackle (such as your vang) supported on fwd hatch & companionway to lift then swing toward companionway. use a boatyard or yacht club hoist to remove the engine out the companionway. SAVE YOUR BACK! that little hunk of cast-iron is HEAVY!!! Use block/tackle advantage- go slow!
 

Ross

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Jun 15, 2004
14,693
Islander/Wayfairer 30 sail number 25 Perryville,Md.
Block and tackle will not be safe for this . A come-along

is a far better tool for lifting and pulling.
 
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