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    Thinking about upgrading to AGM batteries

    We have a 1999 Formula with a MerCruiser 310 (454 cid). I am thinking about upgrading to AGM batteries. I just wanted to check if it's a simple swap or do I need to worry about the charging system? Also any other thoughts/advice would be appreciated. Thank you
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    Hour meter stopped working in VDO tachometer

    Our 1999 Formula 260ss has VDO gauges in it and the tachometer has the hour meter built in. The hour meter has stopped working in it. Any suggestions on troubleshooting it or having it repaired? Thank you
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    Water coming in through bilge pump

    Our Formula will allow water to come in through the bilge pump if there's a good force of water against the stern (reversing hard or coming off plane fast). The outlet for the pump is the smaller hole to aft on the right side in the picture. You can see how the design of the hull is the water...
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    Testing transom assembly for leaks

    I am getting toward the end of my transom rebuild and want to test the transom assembly for leaks before I drop the engine in place. My idea is to mount the outdrive and use a ratchet strap attached to the transom eye bolts to hold it up while we drive the boat to the ramp (batteries will not...
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    Should I fill voids in gelcoat before reinstalling transom assembly

    I an in the process of repairing a transom leak and one of the things I may need to deal with are some voids that apparently wore into the gelcoat over time from the transom assembly. You can see at the bottom of the picture, the gelcoat has completely worn away down to the fiberglass. I'm...
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    Looking for tips and tricks for installing Bravo transom assembly

    I'm in the process of repairing a transom assembly leak which includes of course replacing rotted plywood (I'm going with some Coosa board). Anyway, in preparation of re-installing the transom assembly, I was hoping to pick up on some tips and/or tricks from the good folks here. I figure it's...
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    Question about installing new clutch/gear set in 1999 Bravo 3

    My serial number is 0L440964. I have service manual number 11. I have determined I need gear set kit 43-883473A3. I counted the teeth on the gears and the main gears have 32 teeth and the pinion has 27. I am also planning on ordering the bearing assembly 8M0103472. On mercruiserparts.com...
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    Replace cone clutch 1999 Bravo III

    I have read enough to know the 1999 cone clutches are not available because MerCruiser upgraded them which requires a whole new gear set as well. I'm just getting into the investigation point of doing this. Is there by chance a decent list of parts and tools needed to accomplish this? The...
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    '99 MerCruiser MPI surging question

    We have a 1999 MerCruiser 310 with a Bravo 3 serial number OL342220. The engine has suddenly started "surging" with fluctuations of 100 to 200 RPM. It's worst when cold and seems to settle down at higher RPM (over 3000) once the engine warms up; however, it will still do it at lower RPM and...
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    Has anyone tried Triax ATLAS 600 grease?

    I'm thinking of changing my wheel bearing grease. Has anyone tried the Triax synthetic grease? Thanks
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    Replace water inlet hose on Bravo 3

    I have discovered my inlet hose appears to be starting to leak so I will be replacing it. It is part number 8M0062666. I ran across another post here recommending Shieldsflex II hoses and I have found them but they mention "gradual" bends. Does anyone have a definition of a "gradual" bend or...
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    MerCruiser 3.0 starter question

    I have a friend with a 2001 3.0 MerCruiser serial number M038073. The starter solenoid clicks but the starter will not engage; however, if he directly jumps the starter wiring, the starter will engage and turn the engine over. I assume this is probably an overall starter issue and replacing...
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    Help with water leak on 1999 MerCruiser Bravo 3

    We have a 1999 Formula 260ss with a 310 HP MerCruiser Bravo 3. Serial numbers: Transom assembly: OL529806 Outdrive: OL440964 Engine: OL342220 I have a leak that appears to be around the cavity where the trim hydraulic lines attach at the bottom of the transom assembly. If anyone has ever...
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