Mercury/Mariner 50 Hp (3 Cyl.) - Mercury 40 Service Manual

Mercury/Mariner 50 HP (3 Cyl.)

Wide Open Throttle RPM: 5000-5500
Recommended Transom Heights : 15", 20", 22-1/2"
Right Hand Rotation Standard
Gear Reduction : 1.83:1
Diameter Pitch
10" 19"
10" 17"
10" 16"
10" 16"
10-1/8" 15"
10-1/8" 15"
10-3/8" 14"
10-1/4" 14"
10-1/4" 14"
10-1/2" 13"
10-3/8" 13"
10-3/8" 13"
10-3/4" 12"
10-5/8" 12"
10-5/8" 12"
10-7/8" 11"
11-1/4" 10"
11-5/8" 11"
11-5/8" 10-1/2"
12-1/4" 9"
12-1/4" 9"
12-1/2" 8"
90-852572R1 JANUARY 1998
Approx.
No. of Gross Boat
Blades Material Wgt. (lbs)
3 Alum Up to 1100
3 Alum Up to 1400
3 SS 1200-1500
3 Alum 1200-1500
3 SS 1300-1800
3 Alum 1300-1800
3 Alum 1400-2100
3 SS 1400-2100
3 Alum 1400-2100
3 Alum 1600-2600
3 SS 1600-2600
3 Alum 1600-2600
3 Alum 1900-3200
3 SS 1900-3200
3 Alum 1900-3200
3 Alum 2200-4300
3 Alum
3 SS 2200-4300
3 Alum
3 Alum
3 SS
3 Alum
Approx.
Boat
Length
Up to 14'
Up to 14'
Up to 15'
Up to 15'
13-15'
13-15'
14-16'
14-16'
14-16'
14-17'
14-17'
14-17'
15-19'
15-19'
15-19'
16-21'
2500+ 17'+
16-21'
2200+ 17'+
3000+ 18'+
3000+ 18'+
3500+ 20'+
Speed
Range Propeller
(mph) Part Number
41-49 48-73146A40
35-43 48-73144A40
32-40 48-91818A5
32-40 48-73142A40
28-37 48-855862A5
28-37 48-73140A40
25-34 48-816706A40
25-34 48-855860A5
25-34 48-73138A40
21-31 48-816704A40
21-31 48-855858A5
21-31 48-73136A40
18-27 48-816702A40
18-27 48-855856A5
18-27 48-73134A40
14-24 48-85632A40
11-21 48-73132A40
14-24 48-823478A5
13-23 48-827312A10
8-17 48-87818A10
8-17 48-97868A10
1-14 48-42738A10
IMPORTANT INFORMATION - 1A-5