Best way to fill bolt holes? - PWC Forum: The best hang-out for Personal WaterCraft enthusiasts
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post #1 of 19 (permalink) Old 07-20-2018, 04:38 PM Thread Starter
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Best way to fill bolt holes?

The 2001 Waverunner I bought recently has some sort of homemade ice chest holder/tow bar mounted onto the back of the ski using bolts through the hull...I am wanting to remove this contraption and put a handle back onto the seat since it was removed to make room for this other thing.

Once I remove it, what is the best way to fill these holes left by the bolts?
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post #2 of 19 (permalink) Old 07-20-2018, 05:11 PM Thread Starter
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post #3 of 19 (permalink) Old 07-21-2018, 07:09 AM
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Man, that can open a can of works there. lol
All depends on how much time and effort, and what you want the finished product to look like.
The best way would be to treat it as a hull repair and glass it with smc compatible resin, then prime and paint.
The quickest way would be to find some rubber plugs and silicone them them in to water proof it.
Something like this.
Rubber Butt Plug | mudhole.com
If your not worried about ever taking it out, you could get a small tube of 5200 to seal it in. I think walmart carries a off brand, but I know Academy sports carries the 5200.
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post #4 of 19 (permalink) Old 07-21-2018, 07:35 AM Thread Starter
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I mainly just need it to not take on water and be smooth and a close match. It definitely doesn't need to look like it never happened.
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post #5 of 19 (permalink) Old 07-21-2018, 08:02 AM
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I would look around town for some rubber plugs similar to that then, and seal them in with some 5200. It will be the quickest, easiest way, and the 5200 is permanent. They do make a non permanent sealant that I think is 4900 of something like that.
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post #6 of 19 (permalink) Old 07-21-2018, 09:27 AM
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I suppose there are a lot of ways to do this. I will share my thoughts. Of course I expect people to do what best suits them.

For starters I would use a 3" high speed pneumatic cut-off wheel to cut the welds and remove the pipe. Almost an instant fix. Cut-off those eye bolts sticking up too

Next (as time passes) remove one of the plates and fill the holes with as large of a stainless steel hex head bolt that will fit. Use stainless steel washers and hex nuts (of course). Between the washers and the hull, use the type of thru-hull-sealant you see in the inside-rear of the hull

Your ski looks exactly like mine. Not surprising since Yamaha has produced and sold over 1 million Waverunners. That equates to a 10 billion dollar revenue. I like math

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2017 Lowes Stryker 16. Mercury 50hp 4-stroke.


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post #7 of 19 (permalink) Old 07-21-2018, 09:35 AM
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Here is the way I transport things on my ski. Completely, quickly, and easily removable




Owner. Rider. Maintenance. 17yrs.
2002 Yamaha. FX140. 1000cc. Cruiser. Collectors model.
2017 Lowes Stryker 16. Mercury 50hp 4-stroke.


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Last edited by Lee Taylor; 07-21-2018 at 09:45 AM.
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post #8 of 19 (permalink) Old 07-22-2018, 10:42 AM
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If the holes are not that big you can use Marine Tex. It is an epoxy so it should work well. You can slightly bevel the screw holes and make sure you completely fill the holes. For an extra secure repair you can chop up some fiberglass matt and mix it in the Marine Tex. After this dries you can sand it smooth and paint it. If you do a good job the repair should not be discernible.

Good luck,

Dan
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post #9 of 19 (permalink) Old 07-22-2018, 04:53 PM
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This is what I used.
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post #10 of 19 (permalink) Old 07-22-2018, 05:46 PM
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Quote:
Originally Posted by flryder View Post
If the holes are not that big you can use Marine Tex. It is an epoxy so it should work well. You can slightly bevel the screw holes and make sure you completely fill the holes. For an extra secure repair you can chop up some fiberglass matt and mix it in the Marine Tex. After this dries you can sand it smooth and paint it. If you do a good job the repair should not be discernible.

Good luck,

Dan
I like this. Good idea

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