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Old 25 February 2011, 11:54   #1
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Country: UK - Scotland
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Yamaha 90AETO Manual?

Hi
I've just got myself a nice new to me yamaha to fit on my rib and am hoping that someone might be able to either provide me with some advice or email me a copy of the manual?
My first problem is that there is a few spaces to put bolts and I'm not certain which holes should be used.
Hopefully someone can help.
Thanks very much.
Dan

Engine
Yamaha 90AETO 2005 model code 6H17
serial 6H1 L 1021454
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Old 25 February 2011, 15:29   #2
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Hi.

I have a 90 hp aeto 2006, what bolts are Your worried about? The paper manual is pretty thick (maybe a pdf by someone ?) put can photo relevant pages if You don't get the info elsewhere.
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Old 25 February 2011, 16:34   #3
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Thanks for the reply. It's the bolts into the transom. Is it 4 bolts that you used? There is space for more. What type of bolts did you use?
Thanks again
Dan
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Old 25 February 2011, 17:22   #4
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is this the right manual? http://www.yamaha-motor.com/outboard...lid=5&mid=1079 if not then manuals are all available at the yamaha us site (note these are owners, not service manuals).
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Old 25 February 2011, 17:23   #5
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4 should be fine. The reason why there are more holes is that You can adjust the height on the engine that way. Safest to use Original Yamaha bolts but guess they will be a fortune. Haven't examined my own bolts that close but might be that there is more threads than on a cheap "standard" bolt and also the material speck is different( corrosion resistance/strength).

Long time a go drive one summer with a Johnson 70 hp that was attached to the boat(by previous owner) with the transport cradle bolts before I noticed the issue....Nothing happened.

There was a thread about OB bolts on RIB net some time ago. Pretty sure that strong enough "none original "bolts can be sourced at a reasonable price, check the thread.
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Old 26 February 2011, 03:34   #6
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Quote:
Originally Posted by Polwart View Post
is this the right manual? http://www.yamaha-motor.com/outboard...lid=5&mid=1079 if not then manuals are all available at the yamaha us site (note these are owners, not service manuals).
Thanks for that but it's a different model number to mine. I also phoned Yamaha UK and they think it's a different engine.
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Old 26 February 2011, 05:11   #7
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might come in Handy

http://cgi.ebay.co.uk/YAMAHA-OUTBOAR...item2a0dc657ac

C Numb is correct the thread on the bolts is UNF (United Fine Thread.) which gives more compression on the bolts, handy really when you think what it does

like these http://www.polished-stainless.com/ph...ocument&part=3

Don't get UNC by mistake
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Old 26 February 2011, 06:01   #8
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Quote:
Originally Posted by crazymac680 View Post
Thanks for that but it's a different model number to mine. I also phoned Yamaha UK and they think it's a different engine.
Without better knowledge, wonder if there is much difference in the engines for European and US market, model marking is different though. This http://www.boats.net/parts/search/Ya...121/parts.html seams to be very close to Your engine serial , but a 2006 model.

I will try my luck and buy 19 prop and other parts from theree, usd to eur is pretty favourable now.
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