Yamaha GP800R WaveRunner 2003, Service Manual

Page: 237 / 247

8-46
E
HULL
HOOD
ENGINE MOUNT
Cracks and punctures
NOTE:
Before attempting to repair any cracks or
punctures, refer to “WATERCRAFT FRP
REPAIR MANUAL”.
1. Remove any damaged fiberglass.
2. Cut the damaged area and separate it
approximately 0.25 inch.
3. On the outside of the hull, grind the
separated edge of the area to less than
5˚ as shown.
4. Working from inside the hull, grind the
damaged area approximately 4 inches
beyond the damage.
5. Clean the area with acetone, apply BP-1
or an equivalent primer onto both sides
of the damaged area, and then allow it
to cure for approximately 30 minutes.
6. Cover a piece of cardboard with wax
paper 1 and then cover the damaged
area with it.
7. Combine the polyester resin and the
catalyst, and then apply the mixture
onto the hull.
8. Install a glass mat 2 (2 inches smaller
than the ground area).
9. Apply the resin.
10. Install a 20 oz. fiberglass cloth 3 (1 inch
smaller than the glass mat).
11. Apply the resin.
12. Install another glass mat
4 (1 inch
smaller than the ground area).
13. When the resin has hardened remove
the piece of cardboard.
14. Finish the outer surface.
Refer to steps (3)–(7) in the “Deep
scratches” section.