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  1. jimmbo

    Can anyone identify this older 16' Crestliner?

    Welcome to iboats Motor looks like a 1969 In the 1969 - 71 Era, Crestliner did make a few 16 ft Tinnys, One was the Admiral, the another was the Flying Crest. and a Dane. However the First was a Car Topper, the latter 2 had a closed bow...
  2. jimmbo

    Hole shot to plain very very slow

    What are the RPMS at WOT, properly Trimmed? What are the Compression Numbers? Is it firing on all Cylinders? Can the Spark jump a 7/16" to 1/2" Gap? Are all the Carbs clean? Are all the Throttle Plates opening Fully? Is the Spark Timing set correctly, and fully advancing? What Pitch is the...
  3. jimmbo

    Lot more new boaters and large wakes?

    Government aRegulators need to address the Problem(s) regarding Monster Wakes, as these things have damaged Nesting Areas for many Birds that nest along Shorelines in addition to the Havoc they create for other Boaters. They also should address the Racket from Unsilenced Exhausts. A simple...
  4. jimmbo

    Is my mercury oil injected?

    Turn up the Radio, and the noise goes away It almost sounds a bit like the Clutch Dog slipping, then grabbing. However since the Microphone is picking up sound from everywhere... I wonder if it run in Neutral, would the sound be the same...
  5. jimmbo

    Timimg on mercury

    These outboards are not tuned like you are tuning a Car from the 60s or 70s. There is no Spec for Idle Timing, as the Timing is what is adjusted to get the desired Idle Speed. Melting a Piston, usually requires more than just Honing a Cylinder, and putting in a new Piston and Rings. What caused...
  6. jimmbo

    1984/85 35hp thermostat question

    Welcome to iboats That sounds more like a Fuel issue, than an a Hot Engine issue. Why are you thinking it is overheating? Just because the carbs and the rest of the fuel system were services/cleaned last year, doesn't mean they aren't dirty/gummed up again this year.
  7. jimmbo

    Is my mercury oil injected?

    Well, it is making some sounds that don't sound normal.
  8. jimmbo

    newbie question 48 78120 A40 19P

    Welcome to iboats https://boatpropellers.iboats.com/Mercruiser-Sterndrive-Propellers/?pitch=19.00&chart=77&engine_id=437&cart_id=595579299
  9. jimmbo

    Lower unit 35 hp Evinrude

    Thread Repair Kit
  10. jimmbo

    Is my mercury oil injected?

    I installed, on my 84 115, not only the Water Pressure Gauge, but teed the Tube fitting and installed a Pressure Switch that would set an Alarm off when the Water Pressure dropped too low. Annoying I will admit cause it would sound for several seconds until the Block filled and pressure to build...
  11. jimmbo

    Towing more than capacity?

    With many Vehicles, it is possible to Tow a Trailer far above the Tow Rating of the Tow Vehicle. However, it may cause premature Wear on many things. Regardless of the Longevity Issues, there is the Safety Issue, and also the Liability Issue. The "I only tow a 1/4 mile and, at low speeds"...
  12. jimmbo

    Crossflow 115 BIG issue

    Finding a complete used 115 in good condition would likely be cheaper than sleeving and rebuilding you old powerhead
  13. jimmbo

    1977 25hp Johnson no spark

    In your Initial Post, you mentioned that you had hit something. Have you checked the Flywheel-Crankshaft Key? If not yet, maybe the Key sheared, and that has caused many motor not to run well, or start
  14. jimmbo

    Is my mercury oil injected?

    Interesting... The Powerhead looks post 82, the Transom Bracket post 84, the Lower Cowl Cover is pre 79, and the Lower Unit, can't be seen to tell if it pre79 or post 78
  15. jimmbo

    Just thought I'd share a nice photo.

    Shot this in July 1981 Calling Lake Alberta. This is how the Photo Lab printed it, colour wise
  16. jimmbo

    Boat Randomly Sluggish

    How long have you owned this boat? How long has this condition been happening?
  17. jimmbo

    Outboard Carburetors leaking fuel into intake

    50 yrs ago we had a 40 HP that slowly got worse over the Summer. It was taken in for a tuneup, Spark Plugs, Points and Upper Crankshaft Seal. Was like a New Motor, for the first 10 minutes, then the Flywheel came off. Our engine had suffered with worn Points, and the resulting retarding of the...
  18. jimmbo

    91 40hp 4cy 2-stroke Power loss

    Could be a Fuel issue, but It could Ignition. What rpm was it running in the video, and you say it was WOT? You replaced the Plugs? Being that is in the same sentence as replaced the gas, did you disassemble the Carbs, cleaned all the passages and replaced the Welsh Plugs? Or was that referring...
  19. jimmbo

    Boat Randomly Sluggish

    What brand of Prop and Hub? Does the prop have the same diameter Hub as the old prop? The I/Os use the same props that fit the Larger Outboards, however the Props for the midrange HP models will fit, but having a smaller Hub will have excessive Ventilation and resulting slippage
  20. jimmbo

    1972 Merc 650E 3 CYL....fuel system Qs

    Looking at some of the Boating Videos coming out of Florida, there a lot of People who could afford to pay much more in Taxes, which could then be used to Subsidize the Transition to Electrics
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