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    Johnson 28 SPL

    I am going to look at a Johnson 28 SPL outboard tomorrow. I am going to check for spark, compression and water in the lower unit. Aside from those checks what else should I look for? I don't know the year but from what I have seen it appears to me mid to late 80's. I'll check the serial...
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    Suzuki DT 65 Oil Filter

    My 1987 Suzuki DT-65 had developed an oil leak. Turned out to be the oil filter was leaking at the seam. I have a new filter. and some line. I want to replace the line between the tank and filter and the filter and oil pump. I plan to replace the lines and filter but before I connect the line to...
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    1958 Evinrude Bigtwin 35 Excessive oil drainage

    I have been noticing that my motor is increasingly discharging unburned two cycle oil from the crankcase into the leg and lt discharges through the water intake bypass at the long plate with holes above the cavitation plate. It is now also draining from the small hole/vent above the gear case...
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    Throttle response issues "87 Suzuki DT-65

    We recently acquired a 1987 Suzuki 65 hp two stroke outboard. Compression an even 130 in one, two and three. Installed new water pump kit and resealed lower unit. All three plugs brown but a little oily. After come checks we started it in a tank and it ran well at idle. Once on the boat out on...
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    Re sealing lower unit 58 Bigtwin 35

    I am in the process of resealing the lower unit. I have had some water intrusion. I have the unit apart. Bushings, bearings and all surfaces are in good shape. I would like to replace the small o ring in the shift rod bushing too. I understand the bushing needs to be driven out with a long...
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    Lower unit questions 1958 35 hp Model 25936

    I am in the process of installing new seals in the lower unit of my 25936. The motor has been in our family since new. I am getting water intrusion I believe through the seal below the water pump. but the whole unit will get new seals. I replaced the fill and vent plug seals a couple of times...
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    1977 70 HP 70773S Rod Bearing Rod Bearing Failure

    Earlier this season my 1977 70 hp died slowly at 3/4 throttle and near locked up. I just finished disassembly and I found what I had suspected that the rod bearing on #2 (center) had dissintegrated. I could not tell needle from cage. The crank is scored at that journal to boot. #1 and #3...
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    Small 1950's Johnsons

    I was on the west coast of Florida in the Ft. Myers area and managed to pick up two Johnson Motors from the 1950's. I was out looking at flea markets for a couple of six gallon pressure tanks for my 58 Evinrude project when I came across a 1954 QD-15 10 hp Johnson and a 1955 CD-12 5 1/2 hp...
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    Cylinder Head 58 Evinrude 25936

    I am about finished the restoration of my father's old '58 Alumacraft and the 58 Evinrude 35. I went over the motor installed new waterpump, points, condenser and rebuilt the carb. The motor was in good shape after having been stored since 1996. I gave the cylinders a liberal dose of seafoam...
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    1958 35 hp Return to Service after 15 years

    I am about to complete the restoration of my father's old Alumacraft Deep C and the 1958 Bigtwin 35 (25936). I seem to have an electricial issue that keeps it from cranking. During the restoration I rebuilt the carb. removed the head to inspect the water jacket and cylinder head gave the motor...
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    77 Evinrude 70 HP failure

    My 77 Evinrude 70 HP (70773S) failed yesterday. Did not overheat but I believe that there must have been a cracked ring in cylinder #2. The motor was running well at 3/4 throttle when it gradually lost RPM and quit. Starter would engage flywheel but not spin the motor. Attempt to turn...
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    OMC 1.6 Seadrive V4

    My son called me and asked me about a motor he saw in a late 80's Renken bow rider. I have not seen it but he described it as and OMC V4 115 HP mounted on a support off the back of the Renkin's transom. What is he looking at? I have never seen an OMC in anything but Evinrude/Johnson paint...
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    Junction Box Cover Decal

    I am well into the restoration of my father's 1958 Alumacraft Deep C and the '58 Evinrude Bigtwin 35 (25936) that moved it along. I want to re decal the electric starting junction box but have no luck in finding off the shelf decals for this. My old box cover decals were non existant by the...
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    3.5 Nissan

    My first non-OMC motor is a Nissan NS3.5B2 Serial#42573. Compression 125 and very clean. Spark plug condition shows excellent combustion. Was last serviced by marina shop in 2012 for general tuneup. Aquired by wife from co-worker. Coworker tired of pulling starter rope and bought an...
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    1958 35 hp Return to Service after 15 years

    I am in the process of returning my 1958 Bigtwin 35 hp (25936) Evinrude to service after about15 years in the garage. When I last used the motor in 1997 I finished off the season by squirting outboard motor oil in the cylinders through the two spark plug holes and slowly turning the flywheel a...
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    1977 70773S Bog and Idle problems

    I have really enjoyed the information on this forum and usually use the search before posting a question. My motor a 77 70 hp Evinrude is the best motor I have ever had. The compression on all three cylinders is 120 psi at operating temperature and the thing runs fast, smooth and easy at wide...
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    2005 Yamaha F75TLRD Telltale seems to be plugged

    My brother in law had me take a look at this Yamaha 4 stroke 75 hp engine last fall. He said that the tell tale had gradually stopped working. He asked me to replace his water pump. The old pump was in good condition but being six years old I installed the new one. The motor started and ran...
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    Moisture in Cylinder (s)

    I have a 1977 70 HP Evinrude (70773S). I was getting ready to install a tell tale to monitor water pump function. I pulled the head to look into the water jacket for the best place on top for a fitting and got rather bummed, The top and middle cylinder had a light rust film. The bottom...
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    77 Evinrude 70 Cooling system.

    I recently got a 1985 15' Henry O Challenger with a 77 Evinrude 70. Both motor and boat were very clean at it was evident that they were maintained way. Both boat and motor were well cared for over the years. The PO last used it 15 years ago and it sat in his garage until I came along. It...
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    Henry O McKee Challenger 15'

    I am looking at a garage kept Henry McKee Challenger. I want to make the guy an offer but neither of us know what is fair. It is in excellent condition as is the 70 hp Evinrude outboard. Does someone know the value. I've always heard this was a top quality boat. Thanks Tony
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