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  1. J

    Started boat in trailer position by accident

    Went to check the new thermostat operation and noticed I forgot to trim down the drive from the trailer position. The boat probably ran at idle for about 2-3 minutes. Should I be concerned? Bravo 1 outdrive
  2. J

    Oil Filter Mercruiser 7.4L OF126634

    Looking for a WIX Racing part number for this application. The engine builder outfitted the boat with a hi-flo pump and recommended using a Wix Racing filter.. Unfortunately during the filter removal process the part number on the sticker was damaged. Does the filter require a anti drain...
  3. J

    How far should secondary plates open

    The throttle lever in the 100% position. The secondary plates are only open about 1/4". I can move the cam back and forth and hear the secondary closing. Is this normal, or should they be opening more than that?
  4. J

    Harmonic Balancer Diameter

    Looking to purchase some timing tape for my 7.4L. Does anyone know the diameter of the balancer? Engine Serial: OF126634
  5. J

    Prop Selection Help

    1994 Mariah Z222 7.4l engine Bravo Outdrive Captains Call Exhaust SX trim Tabs Current Prop Setup: Mercury Mirage Plus (No Plugs) The boat gets out of the hole really well, but lacks the top speed I would expect. The engine was freshly rebuilt back in May of this year. I just noticed the prop...
  6. J

    Bravo 1 Gear Ratio By Serial #

    Is it possible to figure out the gear ratio by the outdrive serial number? 0F183087
  7. J

    Corsa Exhaust Issue

    I've been fighting an issue with the dumps not coming on when the switch is toggled. Is there any issue with just using a wire tie to keep the dumps open at all times?
  8. J

    1994 Freshly Rebuilt 7.4L Temp??

    On the lake now 4th trip out. Freshly rebuilt 1994 7.4l Mercruiser 7 hours on engine Runs perfectly fine, but noticed tonight that when I go to start boat after sitting for 10 minutes the temp gauge is at 175. Port side riser 210 degrees after 10 minutes Starboard 190 degrees after 10 minutes...
  9. J

    Exhaust Riser Elbow Gasket

    Just fired up rebuilt 7.4L Engine and noticed the riser gasket on the starboard elbow is leaking. What is the correct gasket required for this engine? Does anyone happen to also know the torque specs? OF126634 Pics Attached Thanks
  10. J

    Rebuilt Bravo Mercruiser 7.4L Break-In

    Picked up a 23' Mariah late last summers to only have the engine fail after just 6 trips to the lake. I went ahead and had the engine rebuilt by a very reputable machine shop that mainly deals with race engines. The crank completely destructed. The engine is now back in the boat. The distributor...
  11. J

    Dual Battery Selection

    23' Mariah Open Bow 7.4L Dual battery 1-2-All Just purchased the boat and need some recommendations on battery selection. Battery 1 is currently wired for starting only. The 2nd battery is wired to run the led lights, subs, and other accessories throughout the boat. What are your thoughts on...
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