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    Anti-Freeze in the Oil ? MCM 170

    Mercruiser MCM 170, 3.7 L, 224 cubic inch inline 4-cylinder. Alpha 1 stern outdrive I have read this is a classic problem with these motors most often caused by, Cam Seal at water circulator pump and would need the seals and possibly Speedy seal on the crankshaft. My question is I did a 17psi...
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    ​Will the CDI Ignition Pack 113-4489 replace all these items

    I have a 1989 Evinrude 48SPL model E48eslcer s/n G 02271991. 2 cylinder. I want to replace the Power Pack 0583984, Charge Coil 0583485, and Stator Assembly 0583650. Will the CDI Ignition Pack 113-4489 replace all these items? If not what parts are Not Included.? Will my old Rectifier...
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    Is this the only one of these?

    Is this the only one of these? I have searched the internet for any information about this boat. What I know is this is a 12 Ft folding boat. P O D, Inc model SXII made in Crystal River FL. In 1990 or 1991. I think they were made for only one or two years I have not found any mention or...
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    12 ? 15 pitch is gives more rpm than 11 ? x 17 pitch

    My question is what prop size and pitch should I use for 5500 rpm WOT. I had an old OMC prop p/n 386786 -12 ? 15 pitch that gave me 6000 plus rpm WOT. I thought that was a bit high for rpm on this motor. A friend gave new Michigan Wheel MATCH-p/n011028 11 ? x 17 pitch to try.That only gives me...
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    Anode , washeser or no washers ? 40-50 HP 1989

    I have a 1989 Evinrude 48 spl. It did not have a # 398873 Bearing Carrier Zinc Anode (located behind propeller). I have stainless bolts to mount this but I do not know if I should use any washers flat or locking? UPDATE EDIT - my lower end is actualy a 1990 50hp unit. Any comments welcome
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    Selecting the correct size weight outboard. F70 vs. F90 ?

    I am repowering my 1989 Sea Nymph SS-175 Fish N Ski 1600 LB MAX ? 7PERSON - 90HP MAX beam6?10? 800LBS dry weight 17? (Starcraft SS and Sea Nymph ss are basically sister boats) It is rated for 90HP but I think that is based on the weight of an older 2 stroke. I have a 1989 evinrude 48SPL...
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    Prop for staying on plane at low speed

    Prop for staying on plane at low speed Boat = 1989 Sea Nymph SS175 FISH & SKI Aluminum (same as Starcraft SS) Base weight 800lbs dry, beam 6’10” length 17ft. Normal load = 800 lbs. (2 fat guys, lg cooler of beer and food 3 batteries, 2 tackle boxes, 2 small anchors, trolling motor, 15...
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    Alternator Field Disconnect AFD - Outboard

    Is there any advantage to Alternator Field Disconnect AFD on a battery selector switch on my Tracker / Mercury 1996 40 hp ELPTO 4cyl. ouboard ? Dose it have coils that need to discharge to protect dioeds ? I think it just has a stator type charging system that will not benifit from AFD. I do...
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    Prop for 14.5" CC w/ 40 hp.

    My question is what prop size and material prop should I use. I just bought this boat and motor. It planes at 15 mph and tops at 30 mph with trim full down, and planes from 20 mph up to 35 mph with trim adjusted. My goal is to lower planning speed, top end is not important. I plan on adding a...
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