Re: Bought new boat need some advice
I think it is a quorum on here that the impeller (water pump blade) should always have your attention, with some recommending annual replacement. Obviously necessity of replacement is driven by several things. I personally don't follow that rule but have my reasons.
Next is clean fuel; don't keep fuel over the winter and use next spring.
A lot of folks have had improved performance with the "decarb" process.....see archives
Lower unit oil should be drained and refilled now (after last outing of the season) to insure that it contains no water. Water makes the oil cloudy/milky/yellowish (not clear honey color) gooey looking stuff. Replace seals under drain screws with new every time you take them out. Procedure for draining is also in archives.
Lube up all your moving parts with a good marine grease, linkages (under cowling), prop shaft (remove propeller to grease it), steering cable (zerk at center of tilt tube bracket), and engine pivot ( usually on port side aft of the clamp bracket on the tube where the engine pivots side to side.
Battery should be removed, contacts cleaned, (might as well clean the terminals on your wires too while you are there) and put on a trickle charger to maintain charge thru the winter.
If I forgot something, someone will chime in. Grin
Good luck,
Mark