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15 January 2015, 01:24
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#1
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Member
Country: UK - England
Town: Manchester
Boat name: Nikki
Make: Avon
Length: 3m +
Engine: 15hp Outboard
Join Date: Oct 2014
Posts: 30
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Submerged engine.
Hi all!
I've been offered an old Tohatsu 9.8 which is seized after being submerged for half an hour. It ran fine a few times following but has since seized. It is dirt cheap so I'll probably take a gamble but how easy would you say it is to fix? Or any tips on it?
Thanks,
Jack
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15 January 2015, 06:31
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#2
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RIBnet admin team
Country: UK - England
Town: The wilds of Wiltshire
Boat name: Dominator
Make: SR5.4
Length: 7m +
Engine: Yam 85
MMSI: 235055163
Join Date: Jul 2005
Posts: 13,069
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Expect scrap.
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15 January 2015, 07:19
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#3
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Member
Country: UK - England
Town: teesside
Boat name: magic
Make: humber 5.5
Length: 5m +
Engine: mariner 115
MMSI: 232012453
Join Date: Apr 2014
Posts: 1,558
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it will need crank and pistons at least possibly the bores will be marked and as they will be plated an expensive job to repair. its just an anchor now walk away
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15 January 2015, 11:19
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#4
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Member
Country: UK - England
Boat name: Hysucat
Make: Hysucat
Length: 8m +
Engine: Twin Suzuki 175's
MMSI: 235102645
Join Date: Jun 2013
Posts: 861
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You will need to completely dismantle it, soak it in oil, check there is no rust and re-assemble it.
That's the mechanical bits.
As for the electrics they may well now start to have rust problems - which will be much harder to sort / clean / eliminate.
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15 January 2015, 12:44
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#5
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Member
Country: UK - England
Town: bicester
Length: no boat
Engine: outboard only
Join Date: Feb 2009
Posts: 913
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if it was submerdged in sea water the electrics will not be trustworthy
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15 January 2015, 17:17
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#6
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Member
Country: UK - England
Town: teesside
Boat name: magic
Make: humber 5.5
Length: 5m +
Engine: mariner 115
MMSI: 232012453
Join Date: Apr 2014
Posts: 1,558
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if it was submerged in sea water then ran until it seized it will need more than the electrics cleaning up .a friend had a 200 mercury on a speedboat that sank in freshwater they dried the motor out and tried to start it it ran for about two mins then nipped up scored all the pistons and bores and buggerd a couple of crank journals
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15 January 2015, 18:09
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#7
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Member
Country: UK - England
Town: Retford
Boat name: Spy-sea-one
Make: Excel 435
Length: 4m +
Engine: Suzuki Outboard/25/4
Join Date: Oct 2011
Posts: 7,532
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Hi jack if it is dirt cheep why not have a go you will get something from the strip down in terms of finding your way round an outboard,might be parts to salvage or you could be lucky!
We had a 5hp merc at work that had been for a swim no one new until we wanted to use it seized solid I took the head off soaked it in wd40 for a day or two then tapped the piston down with the shaft of a lump hammer till free emery papered the bore oiled up well cleaned the carb out put back together ran on a rich oil mix for an hour job done it's still in use today 10years later
You never know.
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15 January 2015, 18:49
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#8
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Member
Country: UK - Scotland
Town: Aberdeenshire
Boat name: Sula
Make: Ribcraft 4.8m
Length: 4m +
Engine: Tohatsu 70hp + aux
MMSI: 235087213
Join Date: Jun 2007
Posts: 4,650
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Would be an interesting project, but basically it's a strip bare job. As mentioned earlier, your wiring is goosed and will always be suspect.
Suzuki 9.9hp here: SUZUKI DT9.9 2 STROKE - Pre-Owned | www.penninemarine.com
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Is that with or without VAT?
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15 January 2015, 19:14
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#9
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Member
Country: UK - England
Town: Manchester
Boat name: Nikki
Make: Avon
Length: 3m +
Engine: 15hp Outboard
Join Date: Oct 2014
Posts: 30
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Hi all!
When I say dirt cheap, I mean £30 but it's a very old Tohatsu so I'm not 100% sure as of yet.
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15 January 2015, 20:24
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#10
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Member
Country: UK - England
Town: Retford
Boat name: Spy-sea-one
Make: Excel 435
Length: 4m +
Engine: Suzuki Outboard/25/4
Join Date: Oct 2011
Posts: 7,532
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For £30 it's worth looking at it makes for an interesting weekend stripping it down
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15 January 2015, 21:11
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#11
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Member
Country: UK - England
Town: Widnes
Boat name: FROG
Make: Zodiac
Length: 3m +
Engine: Outboard 6hp
Join Date: Oct 2011
Posts: 234
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At 30 QUID!!! A lot of spare parts and technical skills for that price. The tiller would fetch that if someone needed one!
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Always FROG
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15 January 2015, 21:12
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#12
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Member
Country: UK - England
Town: Widnes
Boat name: FROG
Make: Zodiac
Length: 3m +
Engine: Outboard 6hp
Join Date: Oct 2011
Posts: 234
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Quote:
Originally Posted by jeffstevens763@g
For £30 it's worth looking at it makes for an interesting weekend stripping it down
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I agree totally
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Always FROG
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15 January 2015, 21:14
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#13
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Member
Country: UK - England
Town: Royal Wootton Bassett
Length: 8m +
Engine: 250
Join Date: Jul 2008
Posts: 8,047
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Sell gearbox and strip it for experience
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15 January 2015, 21:43
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#14
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Member
Country: UK - England
Town: Widnes
Boat name: FROG
Make: Zodiac
Length: 3m +
Engine: Outboard 6hp
Join Date: Oct 2011
Posts: 234
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Quote:
Originally Posted by whisper
Sell gearbox and strip it for experience
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Another few quid in yer pocket! !
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Always FROG
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15 January 2015, 22:46
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#15
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Member
Country: UK - England
Town: Royal Wootton Bassett
Length: 8m +
Engine: 250
Join Date: Jul 2008
Posts: 8,047
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And when all the bolts snap practice getting them out too
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16 January 2015, 07:01
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#16
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Member
Country: UK - England
Town: teesside
Boat name: magic
Make: humber 5.5
Length: 5m +
Engine: mariner 115
MMSI: 232012453
Join Date: Apr 2014
Posts: 1,558
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Quote:
Originally Posted by whisper
Sell gearbox and strip it for experience
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agree didn't realise it was that cheep
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16 January 2015, 07:28
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#17
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RIBnet admin team
Country: UK - England
Town: The wilds of Wiltshire
Boat name: Dominator
Make: SR5.4
Length: 7m +
Engine: Yam 85
MMSI: 235055163
Join Date: Jul 2005
Posts: 13,069
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Yep, it's worth £30 of anyone's money
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23 January 2015, 14:24
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#18
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Spammer
Country: Canada
Town: Southern Ontario
Boat name: -Unknown-
Make: SeaMax
Length: 4m +
Engine: Merc/Minn Kota
Join Date: Mar 2012
Posts: 216
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Assuming it's two-stroke: Possible the pin roller bearings, corroded, rusted and seized. Look'm up for that motor as they will all need to be replaced and will mean almost complete dismantle of the power head. Also check the lower unit to see that One: the prop turns by hand (in Neutral). Two: Open the filler screw and carefully watch the Lower Unit oil/lube runs out CLEAR and not muddy. Lower unit seizure is often more expensive than the powerhead re&re Bearings.
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