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    Yamaha F100

    I have a yamaha F100, I have only had it for a year, and was wondering... what is the routine maintenence I need to have done on this motor(from a dealer of course, a open cowling at my home is dangerous, im not the best mechanic). I know to get the oil changed and gear lube changed, but...
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    Old Gas!

    How long does it take gas to go bad? Does the time that it takes the gas to go bad different in different quanities? Thanks!
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    Motor set too low...

    I have a 1995 yamaha 9.9 2 stroke that is a long shaft on my 14' foot wooden boat. It runs fine, but is set about an inch to an inch1/2 below the keel. What can I do th raise this up to increase speed and decrease drag? Thanks!!!
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    Hydrofoils

    I have a 25 horsepower Yamaha four stroke. It is on a homemade 16' wooden boat. It rides a little heavy in the stern, porpoises(sp) a little at times and the bow rides high at times. I would like to know if a hydrofoil is what to do. And what kind to get. Thanks!
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    Outboard "roostertail" devices

    Just out of curiosity, does anyone know of anyway of making an outbaord "roostertail" with out trimming it out? (tried that almost cooked my engine...). Thanks!!
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    Yamaha F100 Bogs Down

    My Yamaha F100(2000)bogs down when accelerating. There have been no other problems. Happens mostly when cold. After warmed up the problem seems to go away. Any suggestions? Thanks<br /><br />John
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    Maintenence on 84 15hp yamaha

    I recently obtained a 1984 15hp yamaha. It had not been used in 5 years so I sent it up to the local dealer to be worked on(get it running again) and repainted. They have finished all of that and I was wondering what general maintenece I need to preofrm on this engine. I'm brand new to the...
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    De-carbonizing Additives

    What would be the best decarbonizing additive for my yammy 9.9 2 stroke and 100 four stroke? I have heard of OMC engine tuner, is there an equivalent for yamahas? Thanks
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    Hydro-Lock

    What is hydro-lock, how do you get it?? Thanks!!!<br /><br />-Stauter
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    1984 yamaha 15 manual

    Can anyone tell me which manual I should get for my 1984 yamaha 15. At the yamaha site there is a 15 ln and a 15 sn which should I get? Thanks!!<br /><br />-Stauter<br /><br /> Yamaha Site for manuals
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    9.9 horsepower?

    I have been thinking, why do "they make 9.9s or 9.8s etc. Just out of curiosity does anyone know?
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    The ongoing debate about running the gas out

    I have heard many sides of the argument at many places. But I have heard this is the best place so I will ask again. I have a Yamaha 25 four stroke and 9.9 2 stroke. Should I run the gas out or not when not using them for periods of time. (Im not going to winterize b/c our winter is so short and...
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