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    Yamaha/Merc L4 3.0 manuals

    My 1987 Sylvan has a Yamaha L4 3.0 I/O with a Merc engine. I am trying to find service manuals for both but don't seem to be having any luck. Does someone know where to find these manuals? Thanks!
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    Lac Du Bonnet

    My 21 foot Sylvan will be ready for sea trials in about a week and I am thinking about using Lac Du Bonnet (which is close to home) but I am not familiar with the boat launches there. My tow vehicle is a big school bus so I would like to find a place that has lots of space and wont be too busy...
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    Yamaha L4 3.0, 21', fuel consumption???

    I have a 1987 21' Sylvan bowrider with a Yamaha L4 3.0 stern drive and I have not been able to find any approximate figures for fuel consumption. I know fuel consumption will vary widely but I would like to have some rough idea what to expect. Anybody else running one? D.
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    Eagle 642 & Fugawi Navigator???

    Does anyone here use an Eagle 642 chartplotter and Fugawi Navigator???? I am just trying to confirm that Navigator can write SD cards that can be read by the Eagle 642 (before I shell out any more $$$$$ for stuff that doesn't work together) Thanks all!
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    1987 Sylvan 21'

    I picked up a retired camp boat this winter, a 1987 Sylvan with a L4 3.0 Yamaha stern drive. The hull and drive train are in good order but it needs lots of work cosmetically. I hope to replace some rotten sections of the sole this spring and use it for the summer before deciding how (or if) I...
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    Sylvan sole (floor) replacement

    I am new to the forum but I am returning to boating after a prolonged absence and I just picked up a 1978 Sylvan 21' (good price) that needs the sole replaced. I REALLY like the idea of a solid floor and scuppers but I also like to be able to see what is going on beneath the floor and wonder...
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