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    Big water leak inside cowl, any tips for this coming repair?

    Nice to hear that you stopped the leak. Yes there are check valves in the recirc system. There are two typical reed valves under the cover.
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    Big water leak inside cowl, any tips for this coming repair?

    Look at the explode diagram at Crowley Marine. Looks like there is no gasket between the power head and the adapter plate. If the leak is there you have to check if there are some defect at the surfaces. Pull the cover (dog bone) of the recirc system, clean the screens and put the cover back.
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    Big water leak inside cowl, any tips for this coming repair?

    Okey, good if you got it loose without the rubber mounts going bad. Sometime there are no problem to remove them sometime some of them separate the rubber from the steel plate. Clean the surface of the mid leg and the surface of the adapter plate/power head. Use some liquid gasket just to hold...
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    Crack in cylinder wall, need insight....

    You can google Belzona 1111 and I think they have a video of their products. It gives you some information about it. My father who was manager of a truck/forklift workshop at the swedish steel company Sandvik used this product to repair cracks in heavy duty diesel engine blocks.
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    Crack in cylinder wall, need insight....

    This is a hard one, I am not very good in welding consequences. Your argument from welding seams right in my opinion. As you have put so much money in it I would go on and just run it. Notice all the time you run it how it act and if it starts to misfire check compression and look for water in...
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    Chrysler 75hp, need direction.

    If I was you I would check the carbs by clean them, set the float levels and set the air/fuel mixture screws them start it up and run. The floats should be level with the carb casting edge when turned the carb up side down. Air/fuel mixture screws should be 1 1/8-1 1/4 turned out from lightly...
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    Chrysler 75hp, need direction.

    As the compression are good and pretty equal at all three it seams okey. But to be sure no cylinder are running lean just look at the carbs and clean them. Are you sure the top cylinder is running lean?? Did you look into the cylinder holes with a camera or just with a flash light? It is hard to...
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    Chrysler 75hp, need direction.

    Clean all carbs. As there are three carbs, one feed each cylinder. If one is clogged, that cylinder will go lean and you will damage the piston. Put a clear cheap inline filer between the fuel pump and the carbs. It will help you a lot, most for troubleshooting but it will filter the fuel too.
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    Chrysler 75hp, need direction.

    I know the preamp is pretty expensive, about 170 dollars. There is one other way to check the preamp BUT it is not 100% true that the preamp is good if it checks out good. Use a credit card or similar to cover and uncover the optic eye in the preamp. The plugs should spark each time you...
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    Yes as The Force power and racerone says, what kind of batteries do you have and what are the conditions of them. Generally the stator start to charge at about 1100-1200 rpm and the voltage you see at the gauges depends on how much the batteries are charged. If they are a bit discharged the...
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    Chrysler 75hp, need direction.

    Open up the distributor and check. As you have a 1978 year engine it suppose to have the electronic dist with a preamp instead of points. The preamp is a photo electric diod and there is a disc with windows that trigger the preamp to give signal to the CD box to discharge the capacitors in the box.
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    Chrysler 75hp, need direction.

    You says only the top plug spark at TDC and that is right if you mean TDC is when top plug is at TDC. Each plug should spark when each piston is at it´s TDC. Sparking/poping inside the distributor is normal. There will be a little spark inside it when the rotor is pointing at one HT wire...
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    85hp Force lower unit disassembly? Stuck driveshaft...

    As The Force power says, penetrate with penetrating oil heat up the gear housing with a torch or acetylen/oxygen welder torch. Use a drifter and a hammer try to unscrew it. I have made a tool similar to the factory tool from a piece of steel tube then I have welded heels/tooth at the outside rim...
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    Should I buy a timing light?

    A timing light is a very good tool to have in the tool box for service and troubleshooting but just to set the idle speed, no do not buy one for that reason. Buy a cheap tiny tach or a analog tach gauge for the dashboard. If you buy a timing light buy one with a pick up sender and not one that...
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    Big water leak inside cowl, any tips for this coming repair?

    Try to check where the leakage is located. If not have to change the gasket between the motor leg (mid le g) and the power head do not do it. As I said before and it is from my own experience the spacer plate has two shock mounts. The studs are vulcanized in the rubber and when you try to...
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    How to set up an induction tachometer

    If you mean idle screw by the one at the timing tower which rest at the block you do not need to reset or check the timing after you touched it.. If you change the trigger ring and you have to fiddle with the rod that moves the timing plate and is connected to the timing tower, then you have to...
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    Big water leak inside cowl, any tips for this coming repair?

    The water pick up tube connects the power head under the power head. You have to pull the power head to reach the pick up tube.
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    Need to adjust the dial 1990 Force carbs mixture

    Lanyard should have open circuit when attached. When removed there should be a short circuit at lanyard. To stop the engine you ground out the black/yellow (stop wire) wire.
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    50 hp high speed misfire

    As topgun3690 says no distributor with vacuum advancing at these OBs. The older 3 and 4 cylinder engines had distributor but the time advancing was made by turning the plate in the distributer where the points is mounted to. Your engine advance the timing by turning the trigger ring to make the...
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    Big water leak inside cowl, any tips for this coming repair?

    Maybe you have bad shock absorbers but I think your engine is shaking because of running with misfires. If you look at Crowley Marine diagrams "spacer plate" and you have shock mounts #6 (2 of them). When trying to loose the nut you maybe twist the rubber as the threaded studs are vulcanized in...
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