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I am not sure if this is the proper place to post this, I have scouring the internet for help on this and I am hoping someone here can guide me in the right direction. My father recently passed away, and he used to tell me about how bad ass this racing motor was when it was together. It is a Mercury Mark 20h, I know nothing about boat motors, and am trying to figure out what it might be worth. It is not in the greatest of shape and is definitely missing some parts. It is not complete, looks like the top end is missing but the lower end is in tact. Any help would be appreciated, and if you guys would like some pictures I can snap some tomorrow. Thank you
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Post some pictures... including the serial number plate... it is green on the front of the motor.sigpic
Dean F. Hobart
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I might be interested in it if pricing doesn’t get carried away.Comment
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Here they know quite a bit about Mercs. Value of the parts and their condition is what you have.
http://johnsoldmercurysite.com/phpBB3/index.php
"Keep Move'n" life is catching up!
No man's life, liberty or property are safe while the legislature is in session.Comment
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Sorry to hear that your father recently passed away. My sincere condolences. Was he a former boat racer? If so, what's his name and when did he race. Sincerely,
Don Graham PS: I raced from 1957 through 1963. My 1st motor was a merc 20H.Comment
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Wow... It is a Mark 20H B Stock Mercury racing motor... From 1954 to 1959... After 1959 the 20H had a conversion tuned exhaust tower housing. It looks to be in really ‘rough’ shape.Originally posted by Jha707 View Post
Does it turn over? With no flywheel or cowlings my estimate would be between $500 and $1000.... That might be high. If it does not turn over my opinion would be in the $500 area..... there are parts there that could be used.sigpic
Dean F. Hobart
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I believe it does turn over - My dad used to run it years ago, and it got put into storage... also long story short someone started messing with it that shouldnt have, which is why it is in the shape it is in. I believe I have the "mercury" side panels here as well (I know nothing about boat motors) is that what you are talking about when you say cowlings?
Thank you for any help you guys can give me, I do need to get rid of it (at a fair price).Comment
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I’d be interested possibly the complete motor, or just the tower and gear case. Actually, could you get some closer pics of the motor from all angles if it’s not too much hassle.Comment
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Yes, those Mercury Side Panels are what I was referring to.... Originally, they were Green and Gold. It also looks like the carburetor is missing ... is it missing or just the camera angle? I would suggest selling the complete motor...If you don’t you could end up with something you cannot get rid of.Originally posted by Jha707 View Post
Best Wishes in your quest.sigpic
Dean F. Hobart
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pretty rough condition on the outer but the insides of the power head and the gear case are what will set the price? This site had some 20H's complete for pricing as restored and unrestored but complete:
http://store.aeroliner-boats.com/epa...gories/Engines
In your case much less due to unknown innards condition and missing parts."Keep Move'n" life is catching up!
No man's life, liberty or property are safe while the legislature is in session.Comment
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Yes, write the VanWeele brothers, Alan or David... There is a contact on their web site above. They can give you an excellent value..... They might even be willing to buy it.sigpic
Dean F. Hobart
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here are some more pictures. I believe the cowlings are in storage in my garage, but there are some things stacked in front of the cabinet I need to get into. I am not sure if the carb is in there as well. Here are more pictures.
https://drive.google.com/file/d/1qtl...ew?usp=sharing
https://drive.google.com/file/d/11Wl...ew?usp=sharing, https://drive.google.com/file/d/1ThV...ew?usp=sharing, https://drive.google.com/file/d/1Zpn...ew?usp=sharing
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I found the top, the sides, the front shield, and the carb for the motor. The pullstart is intact inside the top plate.
https://drive.google.com/file/d/1OxW...ew?usp=sharing
https://drive.google.com/file/d/1luw...ew?usp=sharing
https://drive.google.com/file/d/1o5e...ew?usp=sharing
does this make the motor complete? Still trying to figure out what to ask for this motor. Thanks.Comment
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-it still has the OEM Carter carb. Most were later converted to Tillotson, and a fuel pump. If you also have the small pressure gas tank, you have some rare original parts. It must have had ignition problems, as the coils are missing, but no big issue. $500 may be a bit light, but I am not sure where the market is for these any longer, as the guys who worked with them, are also getting rare . Post an add on Johns Old Mercs.
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In my opinion it is not worth more than $500... all the parts you have. As mentioned above, call the Van Wheeles.Last edited by DeanFHobart; 08-10-2020, 02:30 PM.sigpic
Dean F. Hobart
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I second Dean's price analysis.
Just completing a full restoration on a green and gold 20h (numbers matching) that started about where this one is, I have a pretty current basis for estimating what resto costs on a "rough" 20H like this will be.
Actually... I think I started a little ahead of what I can see. Unless I am mistaken, it looks like this 20H is lacking an ignition and carb. Hopefully those are in the miscellaneous parts that come with.
What does it cost to restore one starting from about this point?
My parts bill to Frank Erion, Ron Thomas and the van Weele brothers...just for the gearcase was $500+.
Buy a new gear set (1::1), a new drive shaft and prop shaft, new impeller and water pump, tail cone with bushing, various bearings and seals and you'll see what I mean.
Paint materials alone, were almost $200. Two colors, activator, reducer, zinc chromate (phosphate) etch, deep etching primer..it all adds up.
New pistons (walls were worn) .015 over KAMININC, rings, power head rebuild gasket set, seals and bearings, new recoil spring and upper bearing, carb rebuild kit, new starter rope and handle and a bunch more I am missing.
Cost with Cooper Jess supplying the powerhead rebuild labor, $1,250.
So, we have spent about $2G's in parts and outside labor and the motor still isn't ready to run. But we are getting close.
Thank goodness I work cheap.
I paid $500 from my "starting point". By the time I pay a professional painter to finish the job...I will have the better part of $3Gs in the project.
Which is what the market seems to think a numbers matching hi-quality 20H resto is worth.
Hard way to get rich. Great way to enjoy the trip and get some real satisfaction out of the journey.
Have fun.
Opie See
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