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JS550/750 Bearing Holder
550/750 Bearing Holder Drill & Cut TemplateMaker/DIY
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This is a template for drilling new holes and cutting off the extra material to make a 550sx style bearing holder from a 750 bearing holder for converting a js550 to the js550sx type of driveline eliminating the big bearing holder the js skis came with. can be used for a 750 pump swap into a js550.
Materials and methods
bulkhead hole in js ski will need to be enlarged to fit. I used a 60mm step bit and slowly removed material until the bearing mounted flush to the bulkhead. before installing bearing holder, I waxed the bearing holder and smeared 3M 5200 inside the hole to ensure no water infiltration into hull then bolted down bearing holder and let 5200 cure. after 5200 cures, remove bearing holder and wash off wax. then install bearing holder with some 3M 4200 between bearing holder and bulkhead.
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