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 Well My Norman has ...............?
 mercury blue band 20hp 1979

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T O P I C    R E V I E W
cht_angelus Posted - 12 Dec 2014 : 21:27:02
Hi,

Got the engine with the boat, manage to get it run after rebuiding the carb, but the engineer from the marina who did it reckon i need to replace the bearing which looks really expensive if they do it.
So does anybody know of independent who works on old merc ?
Thx
6   L A T E S T    R E P L I E S    (Newest First)
cht_angelus Posted - 14 Dec 2014 : 21:31:19
Thx Df for the answer, As I said I will it give it a go myself, I think the engineer will supply answer if I got stuck.
Will start by the water pump(needs a new impeller)and will see how I get on.
df Posted - 14 Dec 2014 : 14:42:00
That will be a main bearing, may be possible to change without a complete strip down but would take a good look and some ingenuity, depends how it's located in the housing, if a complete strip down it's a lot of work to pay someone else for on an old stroke engine and you'll need to pay for gaskets as well as the bearings.



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cht_angelus Posted - 14 Dec 2014 : 11:12:27
Hi John
Thx for the link I already used it to buy a carb
I have ordered a repair manual and I will give it a go
HappyChef Posted - 13 Dec 2014 : 15:09:58
Not sure if these will help.

http://www.ebay.co.uk/itm/MERCURY-BLUEBAND-20-HP-OUTBOARD-ENGINES-BREAKING-FOR-PARTS-FLYWHEEL-/291311464113?pt=UK_CarsParts_Vehicles_BoatEquipment_Accessories_SM&hash=item43d3842eb1

John


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FB:Queens Head Askham
cht_angelus Posted - 13 Dec 2014 : 12:01:08
Not sure which one it is but the engineer told me the fly wheel was a bit loose and so it was a sign of damage bearing, will ask him next week which one he is talking about
Thx for the reply
df Posted - 13 Dec 2014 : 10:22:34
Theres more than one bearing in an outboard, you need to be more specific, if it's more than an easy gearcase job I wouldn't spend money on an old 2 stroke engine of that age.



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