1998 Mercury 9.9/15HP 4-stroke outboards factory service manual, Page 246Get this manual
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NON BIGFOOT GEAR HOUSING
12 Collet (Jaws) (Obtain from Snap-On PN CG40A6)
13 Leakage Tester-PN FT8950
90-856159R1 AUGUST 1998
Page 6A-3