Yamaha WaveRunner FX140 Manuel D'entretien page 722

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 sepa-
rated 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 cata-
lyst, 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.
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