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  1. 6

    What determines HP rating on hulls?

    I'm curious as to how HP ratings are determined for hulls, and if there's a SAFE way to increase that at home? At this point, I'm looking at this purely from an academic standpoint, and just curious for the knowledge. At some point in the future, I may look into building a boat from scratch at...
  2. 6

    Do I really need stands and all this stuff for pulling a 16 footer off the trailer?

    The bunks on the trailer for my '64 Silverline 16 foot bowrider, with a Johnson 85HP OB on it, should have been replaced about a decade ago...it's yet another one of those things that I want to address before getting it in the water this year. I've been watching a bunch of videos and reading...
  3. 6

    Hull number is required to be permanently marked?

    When I went to register my "new to me" '64, I was informed by Arizona Fish & Game that the hull registration number is required to be permanently marked on the outside of the hull on the transom, with the usual stickers not being accepted for this purpose. It was suggested by the lady at the...
  4. 6

    Is a GOOD LU lube pump made anymore?

    I put the question here as it really isn't a manufacturer specific question..does anyone make a high quality lower unit lube pump any more? Seems like I'm replacing the $10 plastic ones typically sold at places like West Marine and auto parts stores at least twice a year because they just flat...
  5. 6

    Is this enough wear on the impeller?

    Motor is a '73 Johnson 85HP Powershift II. Bought the boat about a year ago with no known service history...ran it on the lake half a dozen times, then it sat for about 8 months. Just dropped the LU for inspection of the impeller. It looks OK to me, save for a few minor cracks on the inside...
  6. 6

    Is letting an old outboard sit for 6-8 months anything to be concerned about?

    My boat, a '64 Silverline with a '73 Johnson 85 OB, has been sitting for 6-8 months, without having been winterized. I live in Phoenix, Arizona, so freezing over the winter wasn't any concern (though I realize it's less of an issue with outboards than inboards/IO motors). I hadn't planned on...
  7. 6

    Low amp shore power fittings?

    I would like to permanently mount a battery charger/tender in my 1969 15 foot bow-rider, and also have some kind of permanently installed power connector for it, as I despise having loose cabling in, well, everything. Ideally, I'd like to have a connection outside the boat, rather than snaking...
  8. 6

    Prestolite pump motor, can't find long shaft...

    Went out to do some maintenance work to my new-to-me '69 Silverline with Johnson 85hp outboard. Hit the switch for the power tilt, and...nothing. Worked fine last weekend, and now I just barely hear a faint click in both directions. Battery is at 12.5 volts, and I verified I get 12.5 volts at...
  9. 6

    Champion 828-1 vs 828M plugs?

    Going to put new plugs in my Johnson 85hp V4. I see most of the application charts say to use the QL77JC4 plug, which appears to cross reference to the 828M plugs (which I also see referenced here often). I also found one page that listed the 828-1 plug as a cross, and looking at Champion's...
  10. 6

    1969 Silverline Riviera - how would the inside stern be set up from factory?

    My Riviera came to me with with a portable 6 gallon fuel tank connected to the outboard, and no permanent fuel tanks, unless they're below the floor and now covered. Judging from the fuel fill caps on either side of the stern, I'm assuming this boat would have had a permanently installed fuel...
  11. 6

    Is it OK to run without the check valve in the outboard fuel line?

    Had a bit of engine trouble on the lake this past weekend. Sounded like the motor was starving of fuel, checked the 6 gallon tank, and it looked like there was maybe a gallon in it. Thought maybe the pick up line wasn't going all the way to the bottom, so I added another 2 gallons from the...
  12. 6

    Airguide tach pegs high

    New to me '69 Silverline with Johnson 85hp outboard. Has an Airguide Sea Speed tach installed. At idle, it will often read ~3000rpm, and anything above idle it will jump to the high peg and stay there. I can confidently say that there's no way this motor is spinning 3K at idle, and 7K+ RPM...
  13. 6

    Tilt/run lever on old Johnson.

    I recently picked up a '69 Silverline Riviera, as the first boat I've owned. I grew up on the water, but only running Dad's old Thunderbird that he sold when I was a teenager, and have been off the water since, which was about 20 years ago. So I'm largely relearning it all again, and learning...
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