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    How to improve performance on a 2005 Yamaha 15 hp 4 Stroke

    I replaced a 15 Hp Mercury (year 2001 long shaft) with a 2005 Yamaha (year 2005 long shaft), and it seems the Merc. was a lot faster (on a Lund 14 ft aluminum). The Yamaha has a prop 9 1/4"x11, and unfortunately I failed to look at the prop size of the Mercury and already sold it. I've heard...
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    15 Hp 4 Stroke Long Shaft 'Speed' - Mercury vs Yamaha

    I recently bought a 2005 15 Hp Yamaha 4 Stroke with Electric Start and Power Tilt to replace my 2001 Mercury 15 Hp 4 Stroke Manual. To my amazement, I ran the Yamaha yesterday (same boat - Lund 14') and the Mercury seemed to go a lot faster.... the Yamaha's prop is 9 1/4" x 11, however, I don't...
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    2005 Mercury 6 hp Lower Unit won't go back in

    I removed the lower unit in order to replace the impeller and seals..... it was a straightforward venture that seemed quite easy. 1) Remove the rubber cap half way down the intermediate housing and loosen the bolt that holds the shift rod 2) Remove the two bolts holding the lower unit and...
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    Can anyone tell me the shaft length of a 2005 Yamaha 15 hp Model F15PLHD

    I'm considering buying the above motor, but the owner tells me it's a 23" shaft..... I never heard of such length, only 20" and 25" for the extra long. I looked in the internet but was unable to find the above model. It's supposed to be a 15 HP, Electric Start and Electric Tilt... just need to...
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    2005 Mercury 6 Hp 4 Stroke - Carburator spits gas thru the 2 air vents on top

    This little engine ran 'perfect' the last time out (last week), and today it wouldn't idle for nothing.... when I took the cover off (in the lake), I noticed that after a few seconds of running, it would start spitting gas thru the 2 vents on top then die out. When I got home I took the...
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    2005 Mercury 4 Stroke 90 Hp Model 90 ELPT SW - Lower Unit won't pull out

    Model 90 ELPT SW S/N 1B114688 Having changed several water pumps before.... I embarked on trying to change this one, as we bought the boat a few months ago. After removing the 4 nuts that hold the lower unit (2 on each side), one more nut in front of the anodes, and the cotter key that holds...
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