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  1. roscoe

    Trolling motors on ski boats

    Why would you want one there? rear mounted will give terribly poor performance on a boat of that size. If you need one, get one that mounts to the outdrive, above the main prop..
  2. roscoe

    Fuel Line Drained the tank

    Well, either disconnect the fuel line when finished using it, or add a fuel shut off valve to the fuel line.
  3. roscoe

    Loaded pontoon cavitation

    "when heavily loaded" If most of the weight is forward on the deck, can be lowering the front and raising the rear compared to lightly loaded operation. Try having the people all shift back to midship or further, and see if problem goes away.
  4. roscoe

    Where to mount my transducer?

    First of all, it looks like the boat is too far forward on the trailer. Appears the boat has rolled/fallen forward of the roller on the port side, and is about to on the starboard side. So adjust the trailer and move the boat back 1.5 - 2" Then mount the transduce directly behind the roller.
  5. roscoe

    Intermittent Trim issue - late 80s Mercury 115

    Is this an inline 6 cylinder motor? Some of those still used solenoids to activate the trim motor. There are a lot of wires connected to the solenoids. Make sure all are tight including the grounds.
  6. roscoe

    1990 force 90hp outboard engine

    Several on ebay right now. Different years will work as well. 1990-1994 engine serial number 0E000001 thru 0E009499 used carb part number wb101c https://www.ebay.com/itm/233680480656?hash=item3668712990:g:8rcAAOSwxj1fNpGC
  7. roscoe

    New trailer, different bunk measurements

    very nice job
  8. roscoe

    Mastered self launching

    I even have an old plug, zip tied to the winch handle, as a reminder before I release the winch.
  9. roscoe

    Mercury I6 Powerhead ID

    OK, well my main motor is 8310, 115. Spare parts motor is 115 as well, but doubt there are many part I could use. The other almost complete motor, (missing solenoid and cdI) is a 90 as labeled, but is an external tilt pump model. Thanks for the help.
  10. roscoe

    Surface gap plugs

    https://www.sparkplug-crossreference.com/convert/CHAMP_PN/UJ17V Champion UJ17V replacement spark plugs Autolite 353 Champion J4C Champion J4CT04
  11. roscoe

    Mercury I6 Powerhead ID

    thankyou
  12. roscoe

    Difficulty loading stick steer aluminum boat

    hard to tell how long the bunks are, Should be at least 8' long in my opinion. Is there room between the boat and the side guides> Perhaps you could move them in. Mount them on the inside edge of the trailer frame?
  13. roscoe

    New trailer, different bunk measurements

    you know, you never did it, until you post photos of the final result. :)
  14. roscoe

    Feedback needed

    Click the three dots to the right of the smiley face, drop down menu, click the camera icon with the + sign on it.
  15. roscoe

    Serial number not showing up

    I get 1984. Definitely a year that they switched the serial number system. Chances are the 2 model years are almost identical. Most stores or websites will not have it listed as a 1984 model, but carefully comparing part numbers should get you what you need. 50 6542048 - A160939 1984 4 cyl...
  16. roscoe

    Serial number not showing up

    Welcome to iboats. Gonna need a little more info. 3 cylinder, or 4 cylinder? Colors of stripes on top cowl? brown, blue, silver, black ? Could the "A" be a "9" ? Does it say 50, "classic", or "classic 45" ? Or "500" ?
  17. roscoe

    New trailer, different bunk measurements

    Kind of hard to follow the photo, but.. Are these welded in place bunk supports? Any possibility that you could bolt a swiveling bunk bracket to them, so they conform to the hull shape? Will save you from having to get the angles and heights just perfect, and will give you some adjustability...
  18. roscoe

    Possible boat purchase!

    Definitely get her in the water for a half hour and put her through the paces.
  19. roscoe

    ‘86 125 Force 2 cycle ran without oil

    No, there is no oil tank or blending unit on that motor. Must mix 50:1. Depending on how much diluted fuel mix was run through the motor, it could be junk, or it could be fine. Are you feeling lucky? Getting the seller to let you open up the motor to inspect inside is gonna be tough. And what...
  20. roscoe

    Mercury I6 Powerhead ID

    I have a similar issue and can't seem to locate that number. I just spent 15 minutes looking for it. Could you perhaps show me exactly where the block number is located ? Thanks.
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