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    Replacement for a 4 wire voltage regulator

    Can I replace the 4 wire voltage regulator on my 94 merc 90 with the 6 wire one?
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    Decal removal

    What is the best way to remove decoration decals off the side of the hull? I tried peeling it off but it seems like it's bake on. Only very small pieces will come off.
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    How do I install a temp Gauge?

    I have a 94 sport Jet 90 that has the stock water temp set up. Sensor and horn. I would like to install a temp gauge on this motor. Has anyone done this?
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    What is it!

    What is that long black module? It's mounted in front of the a rev. Limiter. It only has the blue wire connected to the CDI and the black to ground.
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    Installing an Electric Fuel Pump?

    Is it possible to replace the fuel pump on a sport jet 90 with an electric one? Has anyone done this and what would be the fuel pressure required?
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    Gas in Cylinder

    I have a sport jet 90 and it started running rough and rich then it stop and could not be restarted. When we removed the spark plugs and motor the engine over, about a cup of fuel came out of the #3 cylinder. Has this happen to anyone out there?
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    Regal RushJet Boat Forum

    Does anyone know of a good forum for the regal rush jet boat?
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    Changing the oil on SJ 90 jet pump

    You remove the vent and service caps, let the oil drain. Check for water! Also check to see how many oz of oil was drained. It should be around 18 OZ If you have a lot less than this amount it could be due to leakage or possibly not serviced correctly. Add 18.6 oz of oil install caps and you are...
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    Servicing the sport jet 90 gearbox

    I have a regal rush with a sport jet 90. While the service manual explains how to service the outdrive while it's out of the boat, it does not tell you how to do it installed in the hull. Has anyone ever service one of this while in the boat?
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    what is the purpose of the holes on the oem pistons

    What is the purpose of the two half dollar size holes on the oem piston?
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    Wiseco Piston

    I just bought two wiseco piston fot my force 90 (sport jet 90) I was comparing the new pistons with the stock pistons and the stock pistons have two large holes about the size of half a dollar on the skirt, While the wiseco do not. What are this holes for and do I need to have them. this is a...
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    torque for the crank case half

    Can any one give me the torque to the crank case half bolts,heads,intake manifold and exhaust manifold for the sport jet 90 engine?
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    Repairing a flywheel

    The magnets on my sport jet 90 flywheel have come off and are broken in pieces. Is there a kit to replace this and if so where can I buy one?
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    sport jet manual

    Where can I get a sport jet 90 service manual online. Any suggestions?
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    Another question on the sport jet 90

    I have a 1995 sport jet 90 and was wondering if there are other engine part that would interchange with this engine especialy the force 90
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    Regal Rush Jet Boat

    I'm thinking about buying this boat that is for sale for a $1,000. It has a mercury sport jet 90 engine on it which has a cylinder with broken rings. Does this sound like a good deal and is there a different model engine that I can put in it?
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    Mercury 90 sport jet

    I'm thinking about buying a regal rush jet boat with this engine (mercury sport jet 90)but it has one cylinder that the piston rings came apart and damage the cylinder wall as well as the head. What other damage can I expect once the engine is torn down and what do you guys think it would cost...
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    Thinking About buying a regal rush jet boat

    I'm thinking about buying a regal jet boat but, It has broken piston rings on the #2 Cyl. Which has beat up the head and damage the cylinder walls. They asking 1,000 for it. I would like to know if this is a good deal and what cost I could expect in rebuilding the engine. alsi what would cause...
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