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racerone replied to the thread Reduced speed under load.

I would say the motor is a 1975 model.-------A 1973 is listed as a 50373R-----A 1974 model is 50473M

Aug 18, 2025
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Jesse Walter replied to the thread Bravo 1 to Bravo 3 Conversion.

I actually didn't hit WOT yesterday. I was just enjoying finally being out and we mostly cruised at 3-3300 RPM going about 30-33 mph on...

Aug 18, 2025
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kenny nunez replied to the thread A-Mercruiser I-Drive Unit: pre-load required?.

The washer should be slightly ‘cupped”and you see where the nut contacted it so be sure to put some Loctite on the threads. The nut...

Aug 18, 2025
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cyclops222 replied to the thread Console Wiring 1996 Sea Swirl Bowrider 201 Limited Edition.

How old is this problem ? How long since you bought the boat ? How do you know that disconnecting the wire to the Kill Switch has not...

Aug 18, 2025
alldodge replied to the thread Main Jet size for carb 7043183?.

I'm sure there is in paper somewhere. Could ask a place like Mike's Carbs and he may have the info

Aug 18, 2025
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YOBE replied to the thread Main Jet size for carb 7043183?.

Mine are similar to this JET. So that would fit I guess. Just weird there is no info on what size the originals are.

Aug 18, 2025
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kenny nunez replied to the thread 1986 Mercruiser 170 running issue.

Try running the bilge blower, since a 470 is fresh water cooled it builds more heat under the cover. Also buy a new rotor for the...

Aug 18, 2025
Scott06 replied to the thread No Trailer and Trim Up.

Do you have a wiring diagram for your set up? I know the earlier ones are a bit more complicated... If i recall you have the three...

Aug 18, 2025
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cyclops222 replied to the thread Reduced speed under load.

You should be experiencing bits of old dried out gasoline varnish coming loose in the tiny passages of the carburetor. I normally just...

Aug 18, 2025
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Panda809 replied to the thread Reduced speed under load.

I may be incorrect about the electric shift. But I can confirm that the motor model number is 50573R and the two manuals (service and...

Aug 18, 2025
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cyclops222 replied to the thread are there boat "salvage yards" anywhere in the U.S.?.

We have boat dumping areas in the farm lands. Some are large. Remove parts when bees are not active in colder weather.

Aug 18, 2025
sangerwaker reacted to DeepCMark58A's post in the thread Had a heck of a day with Like.

Burned 50 gallons of boat gas yesterday the 3 person tube is destroyed but the boat did not miss a beat. I was a little concerned with...

Aug 18, 2025
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cyclops222 replied to the thread 1976 115hp low to no spark.

Price out replacing that motor. Motor and all the new controls cost and labor.

Aug 18, 2025
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carlos515 replied to the thread Changing colour of gelcoat question.

Thank you, the stern ones are larger than the bow ones. I was just worried that the hull would be too stiff.

Aug 18, 2025
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cyclops222 replied to the thread 1976 115hp low to no spark.

Do not ne surprised at the poor record of brand new motors. Some still waiting for replacement new parts. Very poor cast Aluminum...

Aug 18, 2025

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