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06 July 2007, 17:19
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#1
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Member
Country: UK - Scotland
Town: clyde
Boat name: searider
Make: avon
Length: 4m +
Join Date: Jun 2007
Posts: 54
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Advice wanted on buying used 50hp outboard.
Just got an old 4.2m searider and am going to see a late 80's 50hp longshaft Evinrude outboard over the weekend. I know just about nothing to do with outboard engines so is there anything I should be looking out for with this particular model or any outboard? Obviously I will need to see it running but any other tips or advice would be much appreciated.
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06 July 2007, 17:33
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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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Take a compression tester. Readings should be within 10% of each other.If they aren't then DONT buy it-it's buggered and won't run right on the water. Rebuilding will cost more than it's worth. Look at the spark plugs too.If the electrodes/ceramics look steam cleaned then run away. The crank seals will be blown. Again, more to rebuild than it's worth.
Undo the oil drain on the lower unit and make sure the oil is clear not milky. If it's milky don't buy it unless nearly free .Water will have emulsified with it and the gearbox won't last long. A rebuild will be expensive.
Also, print this off and take it with you to check the serial number with. It's very common for people to pass off engines from the early 70s as late 80s. If it's got an electric gearshift run like hell-it's pre 1973.
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06 July 2007, 17:52
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#3
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Member
Country: UK - Scotland
Town: clyde
Boat name: searider
Make: avon
Length: 4m +
Join Date: Jun 2007
Posts: 54
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Excellent info cheers! Dont know if I will be able to get hold of a compression tester in time but will definately whip out the spark plugs and check them along with the condition of the gearbox oil. The guy has told me it comes with controls but should there also be any sort of steering assembly included to connect steering wires too? Ive seen steering kits on ebay but it seems to be just the steering hub and wheel with wires.
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06 July 2007, 17:58
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#4
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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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There won't be steering with it-and if there is it'll be a miracle if it fits your boat.
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06 July 2007, 18:09
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#5
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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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06 July 2007, 18:25
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#6
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Member
Country: UK - Scotland
Town: clyde
Boat name: searider
Make: avon
Length: 4m +
Join Date: Jun 2007
Posts: 54
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All sounds a bit scarey! As its the only engine thats came close to my budget I'll go and see it but think I'll stick a lucky dip on the lotto tomorrow as well:-)
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06 July 2007, 21:32
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#7
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Member
Country: UK - England
Town: Gloucestershire
Boat name: Osprey
Make: Osprey Vipermax
Length: 5m +
Engine: E-tec 300 G2
MMSI: TBC
Join Date: Dec 2006
Posts: 4,021
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Of all the things you need to check a comp test is really the most important you can get one from a car shop that just has a rubber fitting that seals intot he spark plug hole. That should be enough to give you an idea of whats going on.
Chris
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Chris Stevens
Born fiddler
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06 July 2007, 21:43
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#8
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Member
Country: UK - Wales
Town: West Wales
Make: Vipermax 5.8, SR4.7
Length: 5m +
Engine: 150 Opti, F50EFi
Join Date: Sep 2005
Posts: 6,299
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What's your budget and how much is the Ermintrude up for?
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06 July 2007, 22:53
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#9
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Member
Country: UK - Scotland
Town: clyde
Boat name: searider
Make: avon
Length: 4m +
Join Date: Jun 2007
Posts: 54
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cheers for that will try to get a comp tester tomorrow - the engine is up for around £400
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07 July 2007, 13:17
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#10
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Member
Country: Canada
Town: British Columbia
Make: Gemini
Length: 4m +
Engine: 40hp 2 str
Join Date: Oct 2003
Posts: 2,151
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Quote:
Originally Posted by OLDSR4
- the engine is up for around £400
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That is about $800 CDN, and around here you can find plenty older (20 yrs or so) 50hp outboards for that price, but chances are overwhelming that it will be a piece of junk.
Sometimes it's better to wait a little longer to build up the budget to buy a used outboard from a reputable dealer, or someone you personally know who has properly maintained one, rather than taking your chances and spending less on something that you might discover is worthless (and inturn, have to start saving up from scratch again).
Trust me on this one. - Been there, done that (and getting caught with a dead outboard during a sudden a snow storm shortly before dusk while 30 miles upriver from the vehicle landing and 4 miles across the river from where you've got your camp site set up is less fun than it might sound).
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09 July 2007, 18:21
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#11
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Member
Country: USA
Town: Marblehead, MA
Boat name: Bouncy Pumpkin
Make: Avon Searider 5.4
Length: 5m +
Engine: Evinrude 90 E-TEC
Join Date: Sep 2004
Posts: 390
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OTOH, saving money is a good thing. I bought a 1981 fresh water 80 hp Merc on eBay for $800 USD 3 years ago. Got me through a couple of seasons, and I just sold it again on eBay, not quite running (disclosed spark problem!) for $530 USD. So it cost me $270 in depreciation for 3 years, plus some maintenance and repairs, maybe another $300-$400. All in all, I think I made out okay, though I'm MUCH happier with my shiny new ETEC, which only hurt for a few minutes when I wrote the checks! The ETEC has certainly cost me more in depreciation in 6 months than the old Merc did in 3 years! Uses > 1/2 the fuel, but will take a long time in fuel costs to recoup the cost of the motor!
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11 July 2007, 13:51
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#12
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Member
Country: UK - Scotland
Town: clyde
Boat name: searider
Make: avon
Length: 4m +
Join Date: Jun 2007
Posts: 54
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Cheers for the help guys! As suspected the so called late 80s 50hp evinrude turned out to be a right pile of junk! It had a sticker on the inside which said 1975 on it and its general appearence was shocking - hammerited from head to toe including the prop!lol...The guy who was trying to sell it said he had paid £650 for it on ebay a year ago and it turns out he has never had it running since.
Anyway on a better note I managed to get hold of a 40hp yamaha engine yesterday - probably equally as old as I think its either late 70,s or early 80,s but iam not sure - maybe someone could tell me how to date an old yamaha engine?
As I said previously I know very little about engines but this one seems to be in good condition considering its age. I had it running for about a half hour in a bucket and went in and out of gear ok and seemed to idle fine and pumped plenty of water. No doubt I'll find out more what the condition is like on the first trip - just need to try and sort out some sort of steering system for it and its up and away I go out for the first time on a rib:-)
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11 July 2007, 16:39
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#13
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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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You won't get much better than those yam 40s. Nice one.
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12 July 2007, 05:52
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#14
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Member
Country: Canada
Town: British Columbia
Make: Gemini
Length: 4m +
Engine: 40hp 2 str
Join Date: Oct 2003
Posts: 2,151
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Sounds like a great find. Congratulations!
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