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New owner of 'Shamanita' Y25 (SF Bay)

Feb 15, 2005
- - San Francisco, CA
Hi all,

Very excited to have recently acquired 'Shamanita' - looks very clean but the Yanmar flooded out. I am converting to electric (84lb 24v troller now, switching to thunderstruck later), which it seems ideally suited to. I have a few question!

Any concerns w trailering a 78 25'? I have a very flexible 2-axle trailer but I know the Y25s hull - while well-laid, are fairly thin and I don't know for sure I can line up w bulkheads. Trailer is 3 pads/side. I know I will need a long extension or strap-launch for the keel

I'd like to rig the mast to tabernacle, and have most of the gear (S-hooks, etc) - but she's set to pivot backwards and I prefer forwards, operating from safety of the cockpit. I'll add bridle at cap shrouds, flexi-furler, etc) Anyone done this? I don't think the insert is symmetrical enough to just reverse it at the base, so I guess custom work..

She needs a haulout - anything specific I should look at other than, thru-hulls, propshaft, prop, zincs, cutlass bearing, rudder, strut? Blistering seems to be a non-issue? I think it's been a while since hauled, so I will prob replace cutlass.

I've got a PDF of the manual. What other resources (besides FB, 1YAMAHAsailboats.org, etc)?

I'm seeing odd degradation of the anti-skid/gelcoat. It seems to be wearing down in the valleys vs peaks. I guess that makes sense if they sprayed a very thin gelcoat. Is this a know issue? What's the best way to address - I don't see any practical way to re-gel it?

Thanks for any tips!

Feb 21, 2013
Hunter 46 Point Richmond, CA
Trailering a Y25 - The attached thread discusses trailering this sailboat: Yamaha 25

Mast rigging - I would talk to a rigger in SF Bay such as Easom Rigging in Brickyard Cove Marina, where I am, or Rogue Rigging in the Berkeley Marina.

Haul Out - suggest getting an out of the water survey to verify what specific maintenance needs to be performed. I can the surveyor I used on my sailboat in the SF Bay if you wish.

Gelcoat - suggest speaking to a boat gelcoat guy. If you trailer the boat there is a really good gelcoat guy in Vacaville I can refer you otherwise contact a marine gelcoat specialist in the SF Bay.
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Likes: Weekdaysailor
Jan 4, 2008
Yamaha Y25 mkII Long Beach, Ca.
Welcome aboard the Yamaha Forum.
this is the only active forum I have found for the Y25. We have covered a lot of ground over the years.

Haul Out: inform the lift operator of the prop shaft exiting the keel, they will have to sling between prop and skeg rudder.
Blisters seem to be primarily small goose pimple size on my Boat.
MOST IMPORTANT - hull oil canning allowing keel movement. Furdui in Austrailia did a post on the fix a while back. It is a internal replacement of the stringers below the sole. BIG JOB. I just did mine with G20 glass.figure I'll get another 15 years out of the boat now.
Deck: Painted mine with 2 part polyurethane.... so far- so good.
Trailering : Y25 wasn't intended to be trailered. Check out the cradle design in the back of manual for a starting point.
I'm a big fan of my Y25. It's a lot of boat for its size and suits all my needs. If your comfortable thinking out of the box the boat should be a good fit.
Y25-KEEL oil can.jpg