Thoughts on a YSE8 lump

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GunfleetSand

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Good evening all

Title sounds like a condition that cream might treat...

What’s the opinion of one of these engines that has been rebuilt ? Rebuild includes new head gasket, pistons, piston rings, bearings & valves. It’s been turned over by hand but not run in a year
 
Solid old lump, smooth for a single as the feet are well spaced & the piston horizontal.
had a 12 for as many years & rebuilt that after about 3 or 4 yrs of ownership, the new owner then changed it for a beta 20 ( i think).Mine was in better condition when i sold the boat than when i bought her.
The engine could well be 35 > 40 years old, might be worth checking with French Marine Motors about the spares situation, but i would allow funds re-engine
 
Spares look like they’re available but not a simple process.

So even with a rebuild it could be good night Vienna in a year or so? (Re engine would be more than the value of the boat that it’s attached to)

In which case what engine would folk consider would not need a re engine budgeting for? Thoughts seem to vary on lumps going on and on or that every 10-15 years it’s time to get a new one in
 
GunfleetSand said:
Good evening all

Title sounds like a condition that cream might treat...

What’s the opinion of one of these engines that has been rebuilt ? Rebuild includes new head gasket, pistons, piston rings, bearings & valves. It’s been turned over by hand but not run in a year
Click to expand...
There are a lot of things not on your list of new bits. Injector pump? Cam followers?.....Oil pump?....
It's probably as good as the bloke who rebuilt it.
I would happily buy a 1960s motorbike engine, because I know the basics and know where to ask if it get s difficult and don't mind getting dirt under my fingernails. A boat engine is a different game.. There isn't the same support from fellow enthusiasts and a small problem can easily ruin your annual leave or worse. I'd suggest a cool think about what you expect from it.
 
Agreed need more info from the person who ‘rebuilt it. Sounds like a top end rebuild in some respects from my scant engine knowledge. If the piston and rings were replaced - why, did it go bang, was it worn out, was it rebored and so on
 
GunfleetSand said:
(Re engine would be more than the value of the boat that it’s attached to)
Click to expand...
There's an awful lot of boats in that position. As mentioned above, a lot depends on what was done and why. All the same, if I couldn't see the engine running, I'd work on the basis that it's scrap and act accordingly, which isn't necessarily to walk away. One possibility might be to put an outboard on the back - a second hand 10HP would push your boat along nicely and cost a good bit less than an inboard diesel.
 
Bit more digging it was the head gasket that went. So I think necessary parts were replaced, piston, rings, piston bearings. High pressure pump was replaced and water pump reconditioned.
Boat it’s attached to is a Tomahawk bilge keel
 
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