Mercury 50 Service Manual

BIGFOOT GEAR HOUSING
Page 6B-14 90-828631R3 MARCH 1999
6. Inspect impeller. Replace impeller if any of the following conditions exist:
• Impeller blade(s) are cracked, torn, or worn.
• Impeller is glazed or melted (caused by operation without sufficient water supply).
• Rubber portion of impeller is not bonded to impeller hub.
7. Remove plate and gasket.
8. Replace plate if groove(s) (other than impeller sealing bead groove) in plate are more
than 0.030 in. (0.762 mm) deep.
19219
a
b
c
a-Plate
b-Gasket
c-Impeller Sealing Groove
9. Remove bolts and washers.
19217
a
a-Bolts and Washers (6 each)

Mercury 50 Specifications

General

Horsepower	50 hp
Cylinders	3
Steering	Remote
Starting	Electric
Displacement	995 cc
Fuel Induction System	EFI (Electronic Fuel Injection)
Alternator Output	18 amp
Shaft Length	20" / 508 mm
Dry Weight	112 kg
Engine Type	4-Stroke