1979 Mercury 20hp - brand new!

DevAd

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Hello.

A neighbour has the above sitting in his front porch!

It is, indeed, a completely unused 20hp 2-stroke twin Mercury outboard from 1979 with electric start, and he also has the Mercontrol box (I think that operates the gears and throttle?), electric plug-in cables and a remote fuel tank. It still has the original buyer's name tag tied onto it, and manufacturer's grease on the external fittings. It has been kept in dry storage so has no surface rust or corrosion anywhere - even the spark plugs have unblemished satin black paint on them. To the best of his knowledge it has never, ever been started since bought from new... Attempting to turn the prop shows that the engine is unseized - the compression sounds wonderful, and actually prevents a complete rotation with pressed boot on prop (not very scientific, I know...)

He now wishes to sell this as he has a - preferred - 4-stroke Honda for use on his 17' Shetland; he prefers leisurely cruising over frantic planing.

As a keen classic car enthusiast, it occurred to me that his engine could have value to a similarly-minded classic motor boating enthusiast too; someone who has restored a boat from that era and would like to keep everything as original as possible? Do you think this would be the case, or should he just place it on eBay or his local paper as 'just another' engine?

He'd appreciate any thoughts and advice on this.

Thanks :)
 
Hello.

A neighbour has the above sitting in his front porch!

It is, indeed, a completely unused 20hp 2-stroke twin Mercury outboard from 1979 with electric start, and he also has the Mercontrol box (I think that operates the gears and throttle?), electric plug-in cables and a remote fuel tank. It still has the original buyer's name tag tied onto it, and manufacturer's grease on the external fittings. It has been kept in dry storage so has no surface rust or corrosion anywhere - even the spark plugs have unblemished satin black paint on them. To the best of his knowledge it has never, ever been started since bought from new... Attempting to turn the prop shows that the engine is unseized - the compression sounds wonderful, and actually prevents a complete rotation with pressed boot on prop (not very scientific, I know...)

He now wishes to sell this as he has a - preferred - 4-stroke Honda for use on his 17' Shetland; he prefers leisurely cruising over frantic planing.

As a keen classic car enthusiast, it occurred to me that his engine could have value to a similarly-minded classic motor boating enthusiast too; someone who has restored a boat from that era and would like to keep everything as original as possible? Do you think this would be the case, or should he just place it on eBay or his local paper as 'just another' engine?

He'd appreciate any thoughts and advice on this.

Thanks :)

....if it had been an un-used short shaft 50hp Merc Blue Band I know a few people who would have paid big money for it... a 20hp ... well that's a bit small to power a speedboat of any size, however it is still a rare outboard and it is certainly the right brand to be desirable to classic boat enthusiasts.

My recommendation would be to list the outboard on ebay, take lots of photos, stress its new un-used condition and I think it will do well. But just to ensure it does I would also post your message on the CMBA (Classic motor Boat Association) website beforehand.

http://www.cmba-uk.com/forum/index.php

Good luck.
 
Not too sure what the weight of those is, but if it's not too heavy it could be a good selling point as a 4 stroke 15hp weigh in at around 50kg IIRC.
 
Not too sure what the weight of those is, but if it's not too heavy it could be a good selling point as a 4 stroke 15hp weigh in at around 50kg IIRC.

Spec weight is 96lbs. Lovely engine; my father had a 1974 one from new

I have typed out a reply to this thread offering to buy this engine, it sounds so nice. Have not pressed "submit" yet because I have absolutely no use for it, other than to look at it. Heart vs head and all that :-)
 
Spec weight is 96lbs. Lovely engine; my father had a 1974 one from new

I have typed out a reply to this thread offering to buy this engine, it sounds so nice. Have not pressed "submit" yet because I have absolutely no use for it, other than to look at it. Heart vs head and all that :-)
Go on you know you want to, you could use it as an auxillary :rolleyes:

My father had one as well, certainly brings back fond memories of pootling around Poole harbour

Martin
 
Thanks all - that's really useful info.

That cmba link is particularly useful - I didn't know such a thing existed, but I'd imagine it would be of most interest there.

Yes, it's surprisingly light; when he stood it up on end for me to have a good gander at it, I suggested he get a scrap bit of wood to place under the 'sharp bottom bit' (you can tell I'm new to this, can't you...). I was able to lift it clear without any difficulty while he slipped the piece under.

Cheers - I'll let him know.
 
It will have a value, probably higher than you think. I sold a boxed and pristine 1981 Yamaha 2hp on Ebay last year for nearly £300. Even months after it had gone people were sending me messages asking if it was still available.
 
Spec weight is 96lbs. Lovely engine; my father had a 1974 one from new

I have typed out a reply to this thread offering to buy this engine, it sounds so nice. Have not pressed "submit" yet because I have absolutely no use for it, other than to look at it. Heart vs head and all that :-)

jfm,

you know its one of those things, just try and find another!
 
Hi all. I posted a 'thank you' reply a couple of hours ago but it hasn't appeared :confused:

Anyway, here it is again; Thanks! :D

I have taken the advice above and also posted on the cmba forum. I'll now pass on the very helpful info to my neighb.

If it were my outboard, know that I'd rather it be appreciated and looked after as a fairly unique item rather than just be thrown onto the back of a local boat and left out in all weathers.

Thanks again - it's much appreciated.
 
I had one of those for a number of years, I used my first weeks wages when I was 16 to upgrade from my merc 7.5, mum went mad and said it was a waste of money, I thought different. Am sure it had a 2 blade prop and have had many outboards over the years but that one was allways the most reliable. Am very tempted to make an offer but what would I put it on?
 
2 blade prop

Yup, they were shipped with a 2 blade 11p as standard, and we had a 9p to use for waterskiing which was 3 blade

Am very tempted to make an offer but what would I put it on?

That's my problem. I have nothing to put it on and no prospect of having anything to put it on. I'm just tempted by the thought of its brand newness

Incidentally I dont know whether it will like today's unleaded fuel but I guess you can buy an additive
 
That's my problem. I have nothing to put it on and no prospect of having anything to put it on. I'm just tempted by the thought of its brand newness

I suppose its the kind of thing that would look good on a stand in the office, but then that would be a waste.

Or try and find a boat of the same era that it would go with, shame it wont fit on the back of the Laser :D
 
TBH aquapower, I have done that classic boat bit, and loved it... but you can only do so much..., and I wouldn't want to be bidding against John..:eek:

also am not sure how happy SWMBO would be to having a boat on the drive again... Otherwise, yes I would be bidding as that package would be lovely on the river, and once together, depending on what you paid for both, should be worth more together....!

This was my Winner Cobra I restored with a beautiful Mercury 80hp blue band... hence my love for old Merc's! :)
Flighty2.jpg
 
I had

Spec weight is 96lbs. Lovely engine; my father had a 1974 one from new

I have typed out a reply to this thread offering to buy this engine, it sounds so nice. Have not pressed "submit" yet because I have absolutely no use for it, other than to look at it. Heart vs head and all that :-)

a tenner on you bidding for this engine.....

I can see it in a glass box in the garage at JFM towers...
 
Helped my neighb lift it on to an engine stand today, so took some picks.

We took the top cover off and tried turning the flywheel by hand - it is very smooth but has astonishing compression - thhhhhhh-whump! thhhhhhh-whump! so actually took quite a bit of effort. Using a rope on the pulley - as you'd do in an emergency - was near useless; it was virtually too hard to turn - does it have a decompression lever like some 4-strokes do?

He has since found a service receipt from 1982 - basically, the gearbox oil was changed and nipples greased.

The starter motor teeth has some of the paint on them chipped (as have some of the corresponding ones on the flywheel) so it has clearly been started (or at least cranked by its motor) but there is no actual metal wear at all. All the parts under the hood are like new, and the hood itself is also gleaming!

The 4-stroke Honda he's prefer to use is only 15hp, so he's in a dilemma on which to keep.

Anyways, here are some photos (I thought it'd be useful to take lots of close-ups, but they've ended up confusing instead! Perhaps the petrolheads on here will appreciate them! It has a 3-blade prop:

http://i305.photobucket.com/albums/nn208/D-Aetc/Outboard/SDC12015.jpg
http://i305.photobucket.com/albums/nn208/D-Aetc/Outboard/SDC12027.jpg
http://i305.photobucket.com/albums/nn208/D-Aetc/Outboard/SDC12013.jpg
http://i305.photobucket.com/albums/nn208/D-Aetc/Outboard/SDC12014.jpg
http://i305.photobucket.com/albums/nn208/D-Aetc/Outboard/SDC12025.jpg
http://i305.photobucket.com/albums/nn208/D-Aetc/Outboard/SDC12026.jpg
http://i305.photobucket.com/albums/nn208/D-Aetc/Outboard/SDC12030.jpg
http://i305.photobucket.com/albums/nn208/D-Aetc/Outboard/SDC12031.jpg
http://i305.photobucket.com/albums/nn208/D-Aetc/Outboard/SDC12035.jpg
http://i305.photobucket.com/albums/nn208/D-Aetc/Outboard/SDC12038.jpg
http://i305.photobucket.com/albums/nn208/D-Aetc/Outboard/SDC12040.jpg
http://i305.photobucket.com/albums/nn208/D-Aetc/Outboard/SDC12041.jpg
 
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