Bombardier SeaDoo 2000 factory shop manual volume 1, Page 408Get this manual
Section 12 HULLBODY Subsection 02 (ADJUSTMENT AND REPAIR)
PREPARING THE SURFACES Small Fractures Open the cracks up with sharp triangular can opener or preferably carbide tipped die grinderThe groove will provide good bonding area for the gelcoatWith 220-grit sandpaper, sand the sides of the notched out areasNumerous Fractures Using grinder with 24-grit disk, remove the gelcoatSand the area edge with 220-grit sandpaperFILLING THE REPAIR AREA Small Fractures Refer to the same procedure as in the Air BubblesNumerous Fractures Over Large Surface: Prepare the area for spray application of liquid gelcoatWipe down the surface with acetoneMask the area off to protect the watercraft from oversprayMix the needed quantity of gelcoat and catalyst according to suppliers recommendationsThe gelcoat can be thinned with acetone up to 10If it needs more consistency you can add cabosilMake sure that the air supply is free of oil, dirt and waterTest spray the gelcoat mixture on paper to verify its consistency and patternYou may have to apply or coats to cover the area properlyOverlap each coat further than the last, leaving at least 30 seconds between passesAvoid trying to coat the surface with only few heavy coats, this will not allow the gelcoat to dry properlyApply coat of polyvinyl alcohol to seal off the air and protect the gelcoat surface from dustPVA speeds up the curing process because gelcoat will not cure properly when exposed to airSANDING Wash the polyvinyl alcohol off with waterDepending on the size of the area repaired, you can either block sand as per previous procedure or you may use an air sanderSand the surface down with progressively finer grits of sandpaper until the desired finish is achieved