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    U Joint Bellows Replacement/Trim question

    I have a 1992 4.3 mercruiser with a Alpha One Gen Two. I am going to replace the u joints and the bellows. I have a vibration in the joints and they are a little stiff in on place. I have greased them and am ready to replace them. I also know my bellows has a hole in it. I can also see bare...
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    Stainless vs Alunimum

    My question for anyone that may want to weigh in. What are pros and cons of either stainless or aluminium props. I have been told that stainless will not give and could cause damage to outdrive. I operate in regional lakes only, no salt.
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    Pulling skier or knee boarder and planing

    When I pull a skier or kneeboarder my boat has a hard time keeping plane at lower speeds. I am not talking extremly slow but slower for kids to be able to do it. It also has hard time keeping plane when making turns. I was thinking of trying a set of stabalizer fins like the Bennet tabs or...
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    Mercruiser Gauges

    I have a 1992 Wellcraft I/O with 4.3 Mercruiser. My temp gauge when cold reads 160 after running boat it goes to 240. I know its not running hot because I can put hands on risers. I have 160 degree thermostat in it. I feel pretty sure it is the gauge. Is their anyway to calibrate or test gauge...
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    Evinrude Tilt problem

    My friend has a Sunbird with an Evinrude 90 outboard. Last weekend his tilt quit working. without touching any switches the electric motor is still running in the down position. When you touch the button to bring the motor up it will raise but as soon as you let go it starts lowering again. I am...
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    4.3 Mercruiser Bogging

    I have a 1992 Mercruiser 4.3 alpha one that I rebuilt the motor on this year. I got the boat this year with a cracked block so I had a project. After rebuild boat ran good then one weekend out I filled up with fuel and went to lake. Boat was bogging under a load trying to plane out. It had all...
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    Oil Pressure and Water Temp Readings

    My oil pressure gauge reads 80 when I crank boat and at idle. As i start driving boat the pressure will drop a bit to about 60. I installed an oil sending unit from a auto parts store for the motor. I was wondering if there was a difference in auto and marine sending units for this. Also when I...
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    Prop Recommendation

    I have a 1992 Wellcraft 19 ft bowrider with a 190 hp mercruiser V6. I did one prop selector tool online and it said either a 23 or 21 pitch prop. I have an 18 on there now but have not run it but once since I got the boat due to engine rebuild and vibration with prop. I am going to replace it...
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    Noise in 4.3

    Changed the prop and carried it out today. It started making noises like knocking or clanging. I thought it may be the exhaust flappers because the noise was not constant. It got progressively worse and boat quit running. I havent worked on it yet but it appears to be hydrolocked. Will leaking...
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    Vibration under load

    1992 Wellcraft Mercruiser 4.3 Alpha 1 Gen II. After all my work took it to lake today for test run and i have a vibration under load. I have replace gimbal bearing and u joints looked fine and greased them. They felt smooth with no stiffness. There is no vibration when I idle up to 4000, only...
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    A Few minor questions

    1992 Mercruiser 4.3 with Alpha 1 gen II in a Wellcraft for those that have followed my many other post thank you for all the help. I got my engine rebuilt and running, adjusted timing to 8 BTDC and idle around 650-700. It was running nice and smooth. Valves were a little noisy so i took off...
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    Rebuilt Engine Idle high

    Ok Got everything back together and still have to play with timing but boat idles high around 1500 rpm. Not sure what problem is with timing, I think I have distributor in backwards or cam is 180 out. I had to reverse plug wires to get it to run but it cranked perfect after switching wires...
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    Electric Fuel Pump

    I have finally got my motor installed and ready to go. I have to install an electric fuel pump because my block was a newer block and not cut out for mechanical pump. I have read all rules about electric pump install but have one question. There is a clear tube that runs from the top of carb...
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    Alignment Help

    I have read every thread and the book about this. I have put alignment tool in boat and it only goes about an inch into the splines. What could keep the tool from going the rest of the way in? I have bumped the alignment tool back and forth and up down to try to set the bearings. I have moved...
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    Replacing Motor

    I have finally gotten my motor rebuilt and almost ready to install. It is a 4.3 mercruiser in a 1992 Wellcraft. Before I put motor in are there any other items in housing that may need checked such as gimbal bearing. I have read a little about the bearing and was wondering how to check or...
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    Alignment Tool

    EDIT: Sorry, solicitation is not allowed on the forums.
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    Used parts

    Not sure what forum to put this into but is there a forum for used parts for sale or trade. Not for dealers but from boater to boater
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    4.3 Liter Motor

    I have a 4.3 liter in a 1992 Wellcraft that i just got at a deal. I now know why. the exhaust manifolds are cracked. There is water in a few cylinders and motor is stuck good. I have put Marvel Mystery Oil in cylinders and am waiting on that to work a little. The outside of the block looks great...
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