Deceased Mariner 60

[HughN]

I have a 1991 Mariner 60, 2 stroke, 3 cyl with PTT. The small end bearing on the top cylinder is making a horrible noise - think 'saucepans in a tumble-dryer' - and will be expensive to repair.

Looking at eBay shows lots of listings for lower-units, middle units, cowls, carbs, etc., at what seem to me to be quite high prices. Do these actually sell at this price, or is this a height-of-season bubble? It would seem it is worth more in parts that as a 'spares or repair' item.

[Nos4r2]

You'll see the same listings constantly like that. Most are dealers-in fact most seem to be Bill Highwayman.

[A1an]

Most of the parts take a long time to sell IF they sell at all with their ridiculous prices.

In truth your engine probably is worth more in parts but itl take quite some time to get rid of all parts, not to mention the hassle and cost of selling on eBay.

Easiest option is punting it as a non runner, plenty of people out there buy and break engines.

That sketchy fella Outboards12 being one of the biggest.

[HughN]

The 'spares or repairs' prices are scarily low.

[Nos4r2]

Might be worth buying a manual and having a go at fixing it yourself for the experience if it looks like it'll come apart without too many siezed bolts.

[HughN]

The pukka Mariner manual is on the side of the dealer's profit: "Using all new piston rings", "Do not re-use...", etc., but it is probably worth a try.

Doing a big chunk of the work might keep the costs of any work down.

[9D280]

Hugh,

If you sdo a self repair you may find the replacement gaskets cost as much as if not more than the rings!


If you go Aftermarket (for pistons etc) do a search for Mallory and Sierra - from memory I got all three pistons & rings for something like £120. The "Top end full gasket set" was something like £70! Needless to say "Sierra" needs a few more words in the search box!


My theory was I could spend the money on a rebuild & end up with an engine of known history or buy a similarly priced used engine & maybe find an expensive problem at sea.


1991 - is yours a clamshell?

[roterboater]

Is the Mariner the same engine as the Yamaha? I know some of the models are just badge jobs, if it is, I have a Yamaha powerhead and midsection that might be suitable for a rebuild, the cylinders and crank are all complete.

[HughN]

Alan,

Mine is after the clamshell but before the bigfoot.


Roterboter,

If it helps, it currently looks like this: Picture

(Though I'm hoping a new bearing will fix it)

(My flywheel pulling tool is 40 miles away and I can't break the seal between the block and the crankshaft cover )

Cheers
Hugh

[Nos4r2]

Originally Posted by HughN

Alan,

Mine is after the clamshell but before the bigfoot.

Good motors- I had the 50hp version on my SR4. If it's fixable, I'd fix and keep it if you've got anything it can go on.

[Trailer Guy]

E's not deceased. E's pining for the fjords. Lovely plumage, the Norwegian Blue. Careful though, they stun easy....

[Leapy]

Originally Posted by Trailer Guy

E's not deceased. E's pining for the fjords. Lovely plumage, the Norwegian Blue. Careful though, they stun easy....

That self surgery has defo had an effect on you

[9D280]

+1 for the rebuild.

It's not deceaced, it's just injured.

[HughN]

Maybe I will retitled this thread "Mariner 60: not deceased - just resting."!

My cunning plan was:
a) to take things apart so that the powerhead would be lighter to lift off or I got to a point where things were so bad that I would just stop

or

b) to whip the lower unit off and remove the flywheel, allowing the crankshaft and pistons to come out as one, going back the same way.

Would b) even work?

I have definitely, definitely, taken out all the bolts but the crankshaft cover is well and truly glued to the block. Any ideas for shifting it without knackering either part? I don't want to take a chisel to it yet if I don't have to....

Thanks
Hugh

[HughN]

Originally Posted by Trailer Guy

E's not deceased. E's pining for the fjords. Lovely plumage, the Norwegian Blue. Careful though, they stun easy....

I showed that sketch to my 12 y.o. son last week - he didn't find it especially amusing but at least is now 'pre-loaded' with one more cultural reference by which to understand people laughing at things that aren't inherently funny.

His use of "We want a rockery - and make it a nice one!" in response to being the class being asked what they wanted did get mentioned by the teacher.

[HughN]

Originally Posted by HughN

b) to whip the lower unit off and remove the flywheel, allowing the crankshaft and pistons to come out as one, going back the same way.

Would b) even work?

No, it wouldn't. I've just looked at the manual...

[9D280]

Originally Posted by HughN

I have definitely, definitely, taken out all the bolts but the crankshaft cover is well and truly glued to the block. Any ideas for shifting it without knackering either part? I don't want to take a chisel to it yet if I don't have to....

Can't remember if yours is a Yam or a Merc, but if it's a Merc it might use the same tech as the Clamshell, the Block - crank cover (would be the sump if it was "car way up and a 4- stroke!) used a "cord" type gasket and a glalon of squeasy gasket.

Do you have a rubber mallet? Judicious use parallel to the split with a few short sharp taps worked fine on mine.

Originally Posted by HughN

His use of "We want a rockery - and make it a nice one!" in response to being the class being asked what they wanted did get mentioned by the teacher.

"He's a very naughty boy!"

[Trailer Guy]

Originally Posted by 9D280

"He's a very naughty boy!"

+1

[Trailer Guy]

Originally Posted by Leapy

That self surgery has defo had an effect on you

Found a t-shirt for you Leapy

[Leapy]

Originally Posted by Trailer Guy

Found a t-shirt for you Leapy

Nice. Remember MP fondly. My fav was the piston engine ornament :-)