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    Closed Water Overheating

    My Boat was overhearting. 1989 Merc. 305 I took off the hose comimng out of Starboad riser that feeds the closed water system and notice exhaust coming out and water. Should I replace riser.
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    Spark Plugs Question

    I have a 1989 MCM 5.0/LX 305 230 Hp engine. Eng # OC535063 The manual call for AC.MR44T plugs. My local marine did not have them. They said mercury recommends NGK-BR6FS. Would these be OK?
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    Two Batteries

    Engine Merc. 305 I/O<br />I have two batteries hooked up to a selector switch. I will generally run on battery #1 on one day then switch to battery #2 next time out. Battery #1 went dead. If I run the engine with "Both" selected so that boat will start will both batteries charge? The selector...
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    Starting engine with outdrive tilted up

    I was recently told that if I start the engine with the out drive tilted up I would be stretching the lower shift cable.<br />I just had to recently replace it.<br />When fishing in the shallows I am moving in and out with the out drive tilted up, starting and re-starting in the up position. I...
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    Starting engine with outdrive tilted up

    I was recently told that if I start the engine with the out drive tilted up I would be stretching the lower shift cable.<br />I just had to recently replace it.<br />When fishing in the shallows I am moving in and out with the out drive tilted up, starting and re-starting in the up position. I...
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    BOTTOM PAINT- When to sand and re-apply

    Going into third season, after using "Interlux ultra #3669" for first season. Second season just touched up areas that looked scruffed.<br />Bottom Paint still looks good, thinking I just need to touch up again or should I apply a whole new coat?<br /> is there a rule of thumb for bottom paint...
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    Anti -fouling Paint on Out Drive

    Sanding down out drive and preparing it for paint. Will sand then cover with outdrive paint. Once dry I will then cover with anti fouling paint (as it in salt water). Should the whole drive be covered with the antifouling paint or just that area in water ? Is there a particular anti-fouling...
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    Trin Tabs cleaning

    Fixing up the boat notice alot of growth on the underside of the trim tabs. Boat is in salt water, Once they are clean up is there something I should apply to the tabs to prevent growth?
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    Trolling Motor

    Considering adding a small motor on to my boat so that I can maneuver in and out of tight spots and not worry about ruining the prop on the outdrive. I have a 1989 Larson 22' I/O, Thinking of using an electric motor. Any ideas of size needed. and mounting ideas?
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    Trolling Motor

    Considering adding a small motor on to my boat so that I can maneuver in and out of tight spots and not worry about ruining the prop on the outdrive. I have a 1989 Larson 22' I/O, Thinking of using an electric motor. Any ideas of size needed. and mounting ideas?
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    Cold start O.K., Warm start problems?

    Mercruiser 305 year 1989 <br />Ran the boat for about 20 min under power. Stopped for about 10 minutes, tried to start up engine but would not turn over. The engine cranked but nothing else. Tried starting it with trottle full open , noticed alittle vapor come out of carb. , I assume it was...
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    Trolling in N.Y. Sound?

    I may invest in 2 downriggers if I can figure how I am going to mount them. My boat only has 3 3/4" of flat surface area where I would mount the downriggerand but the low profile swivel base is 5"x5". <br />If any one has any downrigger mounting ideas let me know.<br />Until then, I may use a...
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    Oil Presure Gauge

    Starting my second season, boat is in water and running fine, but I noticed that at idle the gauge reads 20 psi and at almost full trottle it goes to about 80 psi. I do not remenber this swing last season. I have a 305 mercurycrusier.<br />Am I OK?<br />Thanks!
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    Cleaning a Flame Arrester

    It looks dirty, how does one go about cleaning them.<br />Are they cleaned or replaced like a air filter?<br />Thanks!
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    Replacement of Modeling covering seam

    When my boat was launched last year it was place into the water with a "Sling". I believe the sling loosened the seam between the top half and the hull. I noticed water coming in through the transom fiberglass when under power at higher speeds. I found some chaulk missing around metal (that...
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    Console repair

    I have a crack console, the fuse box is held in by one screw. I wanted to fix it up. I don't think glueing is a solution. Thought a fiber glass apoxy would be a solution. What material should I consider? <br />Was considering replacing the console, is there an manufacturer of replacement...
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