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We're excited to announce the launch of our NEW Fiberglass & Epoxy Boat Repair & Building section on iboats.com! See more details!

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Motor mount lag bolts pulled out!!! PICS ADDED

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  • Motor mount lag bolts pulled out!!! PICS ADDED

    Had a slight mishap and the front motor mount bolts pulled up outta the stringers.. It didnt hurt the stringers at all just pulled the bolts out.. How would I go about repairing the bolt holes to hold bolts again?
    Last edited by v8power; July 11th, 2010, 11:36 PM. Reason: pics added
    1980 Cobalt 19CD, 5.7l v-8 260 hp, MC-1


  • #2
    Re: Motor mount lag bolts pulled out!!!

    Epoxy. Drill the holes larger to fresh wood and fill with epoxy then re-drill pilot holes for the lag bolts.
    This is a great link to boat specifications http://boatspecs.iboats.com/
    Please, shop iboats first!!

    Comment



    • #3
      Re: Motor mount lag bolts pulled out!!!

      what kind of epoxy would you suggest?
      1980 Cobalt 19CD, 5.7l v-8 260 hp, MC-1

      Comment



      • #4
        Re: Motor mount lag bolts pulled out!!!

        West systems.
        This is a great link to boat specifications http://boatspecs.iboats.com/
        Please, shop iboats first!!

        Comment



        • #5
          Re: Motor mount lag bolts pulled out!!!

          ok thank you.
          1980 Cobalt 19CD, 5.7l v-8 260 hp, MC-1

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          • #6
            Re: Motor mount lag bolts pulled out!!!

            If you drill the holes larger....... mix the epoxy inside a gallon zip lock bag and then do what a pastry chef does and cut a corner of the bag open...... it will give you some accuracy when shooting it into a hole.
            This is a great link to boat specifications http://boatspecs.iboats.com/
            Please, shop iboats first!!

            Comment



            • #7
              Re: Motor mount lag bolts pulled out!!!

              I was looking at the west system website and I dont know which epoxy to get. Any suggestions?
              1980 Cobalt 19CD, 5.7l v-8 260 hp, MC-1

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              • #8
                Re: Motor mount lag bolts pulled out!!!

                ??????
                1980 Cobalt 19CD, 5.7l v-8 260 hp, MC-1

                Comment



                • #9
                  Re: Motor mount lag bolts pulled out!!!

                  iboats sells west system 105 epoxy
                  Joe


                  IF AT FIRST YOU DON'T SUCCEED, DO NOT TAKE UP SKYDIVING




                  sigpic

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                  • #10
                    Re: Motor mount lag bolts pulled out!!!

                    Yes 105 would be my choice.
                    This is a great link to boat specifications http://boatspecs.iboats.com/
                    Please, shop iboats first!!

                    Comment



                    • #11
                      Re: Motor mount lag bolts pulled out!!!

                      thanks fellas I really appreciate it..
                      1980 Cobalt 19CD, 5.7l v-8 260 hp, MC-1

                      Comment



                      • #12
                        Re: Motor mount lag bolts pulled out!!!

                        Ok, So what filler and hardener should I use? I also have a couple small spots on the bottom of the hull that need repaired from when the boat hit the ground. The worst spot is about 4 inches long by 3 inches wide and about a 1/4 of an inch deep. Can I use the same epoxy/filler combo on this to or do I need to use fiber mat/cloth?
                        1980 Cobalt 19CD, 5.7l v-8 260 hp, MC-1

                        Comment



                        • #13
                          Re: Motor mount lag bolts pulled out!!!

                          ????
                          1980 Cobalt 19CD, 5.7l v-8 260 hp, MC-1

                          Comment



                          • #14
                            Re: Motor mount lag bolts pulled out!!!

                            Originally posted by v8power View Post
                            Ok, So what filler and hardener should I use? I also have a couple small spots on the bottom of the hull that need repaired from when the boat hit the ground. The worst spot is about 4 inches long by 3 inches wide and about a 1/4 of an inch deep. Can I use the same epoxy/filler combo on this to or do I need to use fiber mat/cloth?
                            Hello m8..

                            Erm..small spot...cough.. thats considerd a hole m8 ( 4"x3"x1/4" deep ? ).

                            Pics please.

                            YD.
                            Iboats Helper

                            Comment



                            • #15
                              Motor mount box replacement question.

                              Ok, so the lag screws pulled up outta the motor mount boxes due to an accident on the highway. I pulled the engine today and thought all I was going to have to do was drill the existing holes and epoxy dowels in them to hold new lag screws. Well, once the engine was out and upon further inspection, I found that the port side mount box is broke loose from the hull. I cut the fiberglass around the box and removed it. I went to a wood working shop today and baught the epoxy for doing the dowel job, and I am wondering if I can use this same epoxy to re-adhere a new motor mount box to the hull. The guy at the store sold me west sytems g-5 epoxy adhesive.. Will this work or do I need to take it back and get the 105 epoxy...

                              This is turning out to be a bigger nightmare than I thought..


                              Thanks
                              1980 Cobalt 19CD, 5.7l v-8 260 hp, MC-1

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