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  1. P

    496mag no start issue.

    Let us know the results.
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    forward drive/bravo 4

    Friend has the Volvo version. Likes it, does ok for a casual wake, and is better than a fixed prop for regular cruising. Loading on a trailer and his lift both required new skills and cautions because of the increase draft.
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    496mag no start issue.

    So if you fill the fuel filter and it runs for a while and dies, open the fuel canister back up. If empty, then that points to the low pressure side that draws fuel from the tank. That could be the pump, a crack in a fuel line, blocked or faulty anti siphon, blocked screen on the pick up, etc...
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    Chaparral 276 windlass install

    Yes, there is an owner who did this and documented the process including cutting the anchor opening in the boat. But that was all on the Chaparral forum that got so overrun with spam they shut it down.
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    Walmart Super Tech RV and Marine Antifreeze - ethyl alcohol NOT propylene glycol

    -50 rv antifreeze freezes in the 12 deg F range. All of them. Burst protection is more of a marketing gimmick as they don’t follow the same standard. However, -50 burst is for copper pipes, it can burst around -10 in plastic pipes, which is what all rv‘s use.
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    496mag no start issue.

    Have you tried the simple test - remove the filter screen from the air inlet and spray carb cleaner or fuel into the inlet. See if it starts. Yes - fuel issue. No - spark issue. Gets you headed down the right path. when my 496 had a no start, this quick test pointed me to fuel issue and a faulty...
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    MerCruiser model 496 MAG (H.O.) 425 HP loss of power

    Do a cylinder drop test via software when it is acting up. We found 3 partially plugged injectors on a 2006 496 HO that started as an occasional issue like yours then eventually became a full time problem. We chased it for about a month. Eventually did the cylinder drop test and identified 3 bad...
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    Mercmonitor

    It is a bit old school but the most cost effective way to utilize the smartcraft data.
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    1990 Bayliner 2651 resto

    Terrific work. Enjoying seeing your progress.
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    Pic of Milkshake spew all over my engine. Help please

    Winterization gone wrong, most likely a cracked block. Bummer.
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    Lot more new boaters and large wakes?

    I understand the wake boat craze, although I was bored after about 10 minutes of doing it behind a friends boat. I agree though, many of the wakeboat operators are careless with their wakes and damage it causes.
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    8.1 gi-b misfire / backfire

    Chased this for months on a friends Merc version of this motor. Final result - found 2 injectors plugged.
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    496 mag HO double beep alarm

    Is it a double beep alarm that keeps going off every minute or two? That is typically a failing sensor. If you have mechanical shift and throttle I would look at the IAC first. Unplug it and see if the issue goes away. That bugger is the most failed sensor. Second I would look at the neutral...
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    Has anyone tried Triax ATLAS 600 grease?

    No responses. Did you ever use it? On paper it is the best grease for trailer bearings based on wear scores and water washout numbers.
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    Has anyone tried Triax ATLAS 600 grease?

    No responses. Did you ever use it? On paper it is the best grease for trailer bearings based on wear scores and water washout numbers.
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    MerCruiser 496 HO 2008 - Engine Alarm (constant sound)

    Looks like a manifold over temp alarm. Gauges could read ok temperature or slightly high, manifold temp is not displayed. Bad impeller, clogged water inlet, bravoitis, clogged heat exchanger, - lots of potential causes.
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    Question about engine oil

    I never recommended an automotive oil, just simply pointed out the false statement about them being inferior. They can be and sometimes are every bit as good as the fc-w oils. In some cases, they are far superior for high pressure wear prevention as almost all FC-W oils are catalyst compatible...
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    Question about engine oil

    Just not true. There are many automotive and diesel oils that would surpass the requirements set forth by the FC-W spec. I have read the spec, it is nothing special as far as the requirements set. What is obtrusive is the need to purchase a Yamaha outboard, then run it on the specified oil, just...
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    Question about engine oil

    The cold weather only thickens the oil while cold, and as soon as it warms up it thins again. you are absolutely fine.
  20. P

    Chips in hull of new boat. Used it twice. How serious?

    Those are down to the substrate. There is a chance water will wick up into that layer.
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