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Wet sand and compound

Discussion in 'Yamaha AR240, SX240, 242 Limited / S / X/ E-Series' started by Brian_NY, Aug 11, 2018.

  1. Brian_NY

    Brian_NY Member

    Messages:
    33
    Ratings:
    +8 / 0
    Boat Make:
    Yamaha
    Year:
    2017
    Boat Model:
    SX
    Boat Length:
    24
    I had some serious scratches that my 2017 SX240 sustained when I was in Lake George, NY last week. The scratches were caused by a fender tired to a post that got blasted with sand in a storm.

    I got brave and wet sanded with 1500 and then followed up with 2000 grit paper. I don't see any more scratches. I then used 3M High Gloss Gel Coat compound on it. I brought back a shine but it is still a duller shine. I have 3M Finesse It which I put on by hand. Still the shine is not there. I did the compound with an electric buffer using a 100 percent wool pad.

    It has been damp and very humid here, could the weather be a factor. Any help is appreciated. Yes, I watched tons of videos on line but I can't get the results.

    Thanks
     
    • Useful Useful x 1
  2. Redneck_4Play

    Redneck_4Play Well-Known Member

    Messages:
    42
    Location:
    CONNECTICUT
    Ratings:
    +70 / 0
    Boat Make:
    Yamaha
    Year:
    2014
    Boat Model:
    X
    Boat Length:
    21
    Wool pads are fairly aggressive and are typically used with more aggressive compounds. I use my wool pad with Mcguires M105 Ultra Cut and then a foam finsihing pad with Mcguires M205 finishing polish to give it that showroom shine.
     
    • Agree Agree x 2
  3. swatski

    swatski Jetboaters Fleet Admiral

    Messages:
    8,106
    Location:
    Saint Louis, MO
    Ratings:
    +8,729 / 132
    Boat Make:
    Yamaha
    Year:
    2016
    Boat Model:
    AR
    Boat Length:
    24
    Exactly ^^^^
    The 105 would really help in between sanding and buffing.

    --
     
  4. zipper

    zipper Jetboaters Captain

    Messages:
    1,381
    Location:
    Milton, Vermont Lake Champlain
    Ratings:
    +1,960 / 18
    Boat Make:
    Yamaha
    Year:
    2007
    Boat Model:
    AR
    Boat Length:
    23
    Agreed, switch to a foam pad and an orbital or D/A (dual action) buffer if you were using a wool pad with a rotary buffer. Wool pad and rotary buffer are aggresive. Time to use a polishing compound as said above, and then wax.
     
    Last edited: Aug 29, 2018
  5. Brian_NY

    Brian_NY Member

    Messages:
    33
    Ratings:
    +8 / 0
    Boat Make:
    Yamaha
    Year:
    2017
    Boat Model:
    SX
    Boat Length:
    24
    Thank you for all the help. I will get an orbital buffer today.
     
  6. Jgorm

    Jgorm Jet Boat Addict

    Messages:
    991
    Location:
    San Diego / Colorado river
    Ratings:
    +633 / 15
    Boat Make:
    Yamaha
    Year:
    2004
    Boat Model:
    AR
    Boat Length:
    23
    I did 1000, then 2000, then 3m heavy compound and it came out like new. There were marks from the previous cf numbers.
    1000g
    20180807_162748.jpg
    2000g
    20180807_163506.jpg

    Buffed, dewalt orbital with wool.
    20180807_194153.jpg
     
    • Like Like x 2
  7. merlinjet

    merlinjet Well-Known Member

    Messages:
    159
    Location:
    Laughlin, NV
    Ratings:
    +81 / 0
    Boat Make:
    Yamaha
    Year:
    2014
    Boat Model:
    SX
    Boat Length:
    19
    Here is a great link I found on a sailboat site some time back. It was written by a guy who details boats for a living. The article is soup-to-nuts on how to bring your boat back to showroom (or better) condition. It includes cleaning product suggestions, orbital polisher pads recommendations and how to use them, along with a step by step process with pictures. I have used it to bring back some fairly battered used boats to like-new condition. You even get advise on buying the right orbital polisher.

    https://forums.sailboatowners.com/index.php?threads/buff-magic.105832/&highlight=buff
     
    • Like Like x 2
    • Love It Love It x 1
  8. Brian_NY

    Brian_NY Member

    Messages:
    33
    Ratings:
    +8 / 0
    Boat Make:
    Yamaha
    Year:
    2017
    Boat Model:
    SX
    Boat Length:
    24
    Finally got her done. Sanded with 1500 and then 2000. Used the 3mHigh Gloss Gel Coat Compound to bring back some of the shine back. Then I used a Maguire's #4 cut cleaner and polish to get it better and then Maguire's Boat wax. It came out excellent. It was my first wet sand and it took a lot of time for me but I saved $300. A boat detailer wanted $500.
     

    Attached Files:

    • Like Like x 2
  9. zipper

    zipper Jetboaters Captain

    Messages:
    1,381
    Location:
    Milton, Vermont Lake Champlain
    Ratings:
    +1,960 / 18
    Boat Make:
    Yamaha
    Year:
    2007
    Boat Model:
    AR
    Boat Length:
    23
    @Jls1975 For someone who just joined the forum and has no posts yet, if you dislike the information you should post a better alternative. There is plenty of information to back up my post. I have by hand wet sanded several hulls and then used various power tools and compounds to remove oxidation and restore a mirror like shine to the hulls of more than one boat. What have you done? Trolls don't last long here.

    Edit: The action that spawned my reaction above was resolved. Another case of "accidental fat fingering" on tiny buttons.
     
    Last edited: Sep 2, 2018
  10. ttzz

    ttzz Jet Boat Addict

    Messages:
    420
    Location:
    Oronoco, MN
    Ratings:
    +453 / 9
    Boat Make:
    Yamaha
    Year:
    2017
    Boat Model:
    X
    Boat Length:
    21
    Not sure what he could have possibly disliked with your post - hopefully being new and unfamiliar with the features it was just inadvertent.
     
    • Optimistic Optimistic x 1
  11. Brian_NY

    Brian_NY Member

    Messages:
    33
    Ratings:
    +8 / 0
    Boat Make:
    Yamaha
    Year:
    2017
    Boat Model:
    SX
    Boat Length:
    24
    Dude, chill out!!!!!!!!!!!!!Yes, I am new to Yamaha but I have been on boats for the past 36 years. I am new to SANDING GELCOAT and was anxious about trying it myself. In the end, with the help of many, including you, I got the job done and learned a lot.

    Your thread was uncalled for but I will shrug it off as a bad moment for you.

    Thanks to ALL who helped me in this process.
     
    Last edited: Aug 29, 2018
  12. zipper

    zipper Jetboaters Captain

    Messages:
    1,381
    Location:
    Milton, Vermont Lake Champlain
    Ratings:
    +1,960 / 18
    Boat Make:
    Yamaha
    Year:
    2007
    Boat Model:
    AR
    Boat Length:
    23
    @Brian_NY If you are talking about my second post just above, it had absolutely
    nothing to do with you. Congrats on solving your original problem.
     
    Last edited: Aug 30, 2018
  13. swatski

    swatski Jetboaters Fleet Admiral

    Messages:
    8,106
    Location:
    Saint Louis, MO
    Ratings:
    +8,729 / 132
    Boat Make:
    Yamaha
    Year:
    2016
    Boat Model:
    AR
    Boat Length:
    24
    @Brian_NY - zipper was addressing another member, @Jls1975 - by "tagging" him with the "@", it had nothing to do with your post.
    Congrats on the first sand job, that can be nerve-racking!

    --
     
    • Agree Agree x 1
  14. Brian_NY

    Brian_NY Member

    Messages:
    33
    Ratings:
    +8 / 0
    Boat Make:
    Yamaha
    Year:
    2017
    Boat Model:
    SX
    Boat Length:
    24
    @zipper I am relieved, I was confused on how I pissed someone off. Thanks for the post.
     
    • Like Like x 2
  15. Jls1975

    Jls1975 New Member

    Messages:
    4
    Ratings:
    +3 / 0
    Boat Make:
    Yamaha
    Year:
    2013
    Boat Model:
    SX
    Boat Length:
    24
     
    • Informative Informative x 1
  16. Jls1975

    Jls1975 New Member

    Messages:
    4
    Ratings:
    +3 / 0
    Boat Make:
    Yamaha
    Year:
    2013
    Boat Model:
    SX
    Boat Length:
    24
    Yes I didn't realize I posted anything anything.
     
  17. Jls1975

    Jls1975 New Member

    Messages:
    4
    Ratings:
    +3 / 0
    Boat Make:
    Yamaha
    Year:
    2013
    Boat Model:
    SX
    Boat Length:
    24
    I didn't intend to post anything I must have hit it on accident. Just working late researching wet sanding my sx240. Sorry
     
    • Like Like x 1
  18. zipper

    zipper Jetboaters Captain

    Messages:
    1,381
    Location:
    Milton, Vermont Lake Champlain
    Ratings:
    +1,960 / 18
    Boat Make:
    Yamaha
    Year:
    2007
    Boat Model:
    AR
    Boat Length:
    23
    @Jls1975 Welcome to the forum! There is a lot of good info on this forum. I am glad it ended up being an "accidental fat fingering" of that button. It happens now and then. My apologies for tagging you with attitude. I have seen great results by using the info in this book and the Marine 31 products.
    20171122_075042.jpg
    The heavy cut oxidation cleaner works better than other brand name rubbing compounds, like Turtle wax.
    This is what my hull looked like after I took off the graphics.
    20170415_144558.jpg
    And then after using 1000 and 2000 grit wet paper.
    20170430_102323.jpg
    And then after buffing with the Marine 31 products.
    20170525_171756.jpg
    A big improvement over what I started with. Reflections of everything on the arena floor. Very satisfied with the results on the 23' Yamaha and the 35' Beneteau.
     
    • Like Like x 2
  19. Jls1975

    Jls1975 New Member

    Messages:
    4
    Ratings:
    +3 / 0
    Boat Make:
    Yamaha
    Year:
    2013
    Boat Model:
    SX
    Boat Length:
    24
    Thanks for the info.
     
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