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    Water Tube to Powerhead 50hp

    Well, I am almost complete with entire engine overhaul. It is a 1985 50hp (H0507F85A). Everything is fine except getting water tube back into powerhead. I just realized I need an O-ring and a washer per parts manual. How does this copper tube go back into powerhead? There must be a hole that...
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    Starter Relay

    I have a 50hp Force that I rebuilt at the end of last summer. Since rebuild I have not been able to turn it over with my key. I just bought new solenoid/relay and still nothing. I have 12.5 volts at relay where battery conn is and when I turn key over I get 12.5 volts on top post but starter...
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    Starting Issues

    I have just rebuilt a 1985 50hp Force/US Marine outboard and when I go to turn key over it pops the circuit breaker box by the ignition coils. I can use a jumper and get starter to turn flywheel so I am kind of stumped. I changed the in-line fuse to no avail and that is where I am. I took...
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    Powerhead removal force 1984 50hp

    I am at the point where everything is off the block and I even have the block seperated but can not figure out how to get the carb side of block off so I can get to connector rod bolts. I thought it would just slide off but it seems to be hitting this oval rubber encased part that I think is...
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    Piston for Force/US Marine 50hp

    After a compresssion test I found 0 on my bottom cylinder. After removing head I found out piston and rings are shot. I have looked on the parts on this site and there are about six different pistons for 50 hp. My model # is 507F5A. Can someone help me find correct piston and rings. I have a set...
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    Force/US Marine 50hp

    I have 50 hp Force model #507F5A motor. It cranks and idles ok but when put under load it boggs down. I pulled wire of top plug off and motor stopped completely. I am pretty sure it is running on only one cylinder. I changed ignition coil and plugs to no avail. I am going to pull head and check...
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