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#1
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Well I have my last couple of parts trickling in from boats.net for the Merc, hope to take a whack at getting it running either this weekend or next week. Right now I am working on some fiberglass repair on the bottom of the McKee, should keep me busy for a bit!
-Svence
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1984 V-20 Steplift 1998 Johnson 175 
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#2
05-02-2011, 06:59 AM
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She runs...well sorta. Got everything bolted on, carb leaks fixed, fuel line fixed, starter on, gased her up and she ran. Was shocked to be honest as it fired up the first crank of the key. Now the problem is she won't stay running. I think it may be a fuel pump issue as if I keep priming the bulb it stays running, if not I get about 15 seconds before she dies out on me. What I don't understand is the fuel pump on these carbs, how the hell do the work? Where do they get their pulse from to pump? I am used to seeing either an electric pump or a line from the crankcase pulsing the diaphrams, any ideas?
-Svence
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1984 V-20 Steplift 1998 Johnson 175
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#3
03-16-2011, 03:45 PM
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I know the trim system and motor pretty well. I agree if the motor has compression the rest can be done to make the motor 100% on the cheap. The old inline 4 50hp is about as tough as a cut nail. The trim pump inside the boat looks factory. It is the same pump that the I/O's use. The hydraulic cylinders are mounted outboard of the clamp bracket. If you start to tinker with the hydraulic hoses be real careful threading the stainless fitting back into the aluminum housing. The three buttons were the same as most all the Merc controls. Down, Trim and Tilt as I recall. With that setup you only need a up and down type switch. The trim pump motor has a brush card and is easy to refurbish if the windings are still good. Had one on the back of a flatbottom boat. Not a ball of fire in the hp dept. but it would absolutely scream and was silky smooth. The good ole' days
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