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    Year Identification

    Mariner 8 HP serial # OC158176 what year is this motor? Is it a Yamaha?
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    1973 18 HP Fouling Plug

    Can not keep this thing running on two cylinders. Plugs are new. Sometimes the top cylinder plug then sometimes the bottom cylinder plug will stop firing. Always good spark from the coil to the plug but the plug fouls out. I think it is water intrusion. Compression is even at 90lbs per cylinder...
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    1973 18 HP Flywheel nut torque

    Hopefully I will not have to go back in. Time to torque it down. How many Ft Lbs. should the flywheel nut be tightened to ?
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    Attaching coil wires to replacement coil

    Purchased 2 new BRP coils for my 1973 18 HP. The old coils had the plug wires attached and inseperable. The new coils come with seperate wires . What is the best way to attach these new wires to the new coils.? Should adhesive be used? if so what kind will bond the two different materials...
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    1973 18 hp Fouling plug

    New points condensers all coils,rebuilt carb. Plugs keep fouling. If the plug comes out completely clean and white is this water intrusion?Will run and start then drop a cylinder , backfire, then not start.
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    1973 18 HP Evinrude Ignition System

    What ignition system is used on this motor. Where can I get more info on it. There is one "coil and lamination" under the flywheel and two coils on the block, two sets of points. I am having spark problems on one cylinder, I have already switched the coils and the problem remains with the top...
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    1973 18 HP Evinrude 2 sets of points or 1

    Picked up another project motor to play with for a bit. It starts and runs but. Backfires , pops, runs on one cylinder then 2 then one. The bottom cylinder has a nice spark the top not so good. I switched the coils top to bottom and still the top cylinder spark is weak. I am guessing that one...
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    1973 18 hp and other small Johnyrudes fuel line size.

    Need to order some fuel lines for a couple of small engines I have. What is the inside diameter of the fuel line from the fuel pump to the carb?
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    Titan 60 Actuator- Dependable or not?

    I installed a Titan 60 Actuator last year. Recently noticed brake fluid coming from the master cylinder. I have disc brakes and the actuator and master cylinder were for disc brakes. Anyway I have replaced the master cylinder as of today and look forward to going rockfishing next week. Anybody...
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    150 EXEOM 1995- Purple accesory wire to ignition blows fuse

    Enlighten me please. Motor will crank and start and run with the purple accessory wire off of the ignition switch . As soon as I put it (the purple wire)back on the ignition switch the fuse inside the cowl will blow. Of course the tach , fuel and amp meters will not work without this wire in...
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    1995 150 HP Spark Plug ? Ql78YC vs QL77YC4

    Manual calls for the QL77YC4 , I believe bulletin says QL78YC. Both seem to run the same in my engine. What is the difference.
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    Bench testing a starting solonoid- 50 HP 1972

    Out of the motor how can I test this solonoid? Having a time with the ignition. Can jump the starter and it cranks real well and starts right up. Need to test the solonoid, then the wires to the solonoid ( which ones go where), then I guess the key switch.Thanks.
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    Removing lower unit 1975 6 HP Johnson? Shift rod question.

    Garage sale find for 40.00 makes me a happy camper. Starts up and runs fine. Not pumping water. I will check the tstat first . I see in the parts diagram the shift rod is two pieces. I remember on my very old 40 and 35 HP's there was a plate which when removed revealed the clamp which connected...
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    1972 50HP Rude overheat issue.

    Was not pumping water so I replaced the WP. Plenty of water coming out near the lower steering bracket however none from the telltale.I realize not much more than a spit should come from the engine telltale but I am getting nothing here and the engine temp rises to well into the overheat range...
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    Early System Check Tack Question

    Going through some older post I came across one in which claims were made about problems with some of the older system check tachometers. Can anybody enlighten me on what years these issues were occurring? and what were the issues/problems. Thanks.
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    Switching power packs 50 hp

    Need a power pack for my 1972 50 Evinrude. I see that they are the same packs used from 1972 to 1977. Can a newer pack such as the 581927 which is for the 50 HP's 1978 to 1983 be used instead.? Are the wires the same just the connecters different and can they be spliced and connected to fit my...
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    No spark - Faztbullet smacks the power pack

    1972 50 Hp was not running(no spark). Cleaned connections still no spark. Smacked the power pack and voila spark was back. Let the motor sit for a few months and now no spark again. Smacked the power pack this time to no avail. Fair conclusion the power pack is bad? Have others had the same...
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    1971 50172s 50 HP Evinrude Diode

    Lost spark on this engine . What is the purpose of the diode . I have a new spare if needed.
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    Evinrude Lightwin Model 3042A Serial 50514

    Can not find the year on this one. Any help appreciated.Thanks
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    Tie Down Spindles w/ wear sleeves

    I am worth re doing my trailer bearings, races and seals. Are these wear sleeves still sold? Are they worth the trouble? Can not find them or their grease seals. Any info helpful.
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