alpha one generation ii stern drive

2

74243

ALPHA ONE GENERATION IISTERN DRIVE

2 - 0 ALPHA ONE GEN. II STERN DRIVE 90-806534960

Table of ContentsPage

Installation Specifications 1. . . . . . . . . . . . . . . . . . Torque Specifications 1. . . . . . . . . . . . . . . . . . . . . . . Lubricants, Sealers, and Adhesives 1. . . . . . . . . . Special Tools 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Transom Specifications 1. . . . . . . . . . . . . . . . . . . . .

Installation Procedures 2. . . . . . . . . . . . . . . . . . . . Transom Assembly Installation 2. . . . . . . . . . . . . . Power Steering Control Valve and

Cable Installation 3. . . . . . . . . . . . . . . . . . . . . . Power Steering Hose Connections 4. . . . . . . . . . . Stern Drive Unit Installation 4. . . . . . . . . . . . . . . . . Trim Cylinder Connection 4. . . . . . . . . . . . . . . . . . . Propeller Installation 5. . . . . . . . . . . . . . . . . . . . . . . .

Drive Shaft HousingSpecifications 6. . . . . . . . . . . . . . . . . . . . . . . . . . .

Torque Specifications 6. . . . . . . . . . . . . . . . . . . . . . . Upper Drive Shaft Bearing Preload 6. . . . . . . . . . . U-joint Bearing Preload 6. . . . . . . . . . . . . . . . . . . . . Gear Shimming Specifications 6. . . . . . . . . . . . . . . Lubricants, Sealers, and Adhesives 6. . . . . . . . . . Special Tools 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Drive Shaft Housing Exploded Parts View 8. . . . U-Joint and Driven Gear Components 8. . . . . . . . Drive Shaft Components 10. . . . . . . . . . . . . . . . . . .

Drive Shaft Housing Shimming 11. . . . . . . . . . . . Gear Distance, Driven Gear 11. . . . . . . . . . . . . . . . Gear Distance, Drive Gear 11. . . . . . . . . . . . . . . . .

Standard Rotation Gear Housing Specifications 12. . . . . . . . . . . . . . . . . . . . . . .

Torque Specifications 12. . . . . . . . . . . . . . . . . . . . . . Shimming Specifications 12. . . . . . . . . . . . . . . . . . . Lubricants, Sealers, and Adhesives 12. . . . . . . . . Special Tools 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Standard Rotation Gear Housing Exploded Parts View 14. . . . . . . . . . . . . . . . . . . . . . . . . .

Drive Shaft Components 14. . . . . . . . . . . . . . . . . . . Propeller Shaft Components 16. . . . . . . . . . . . . . . .

Page

Standard Rotation Gear Housing AssemblySpecifications 18. . . . . . . . . . . . . . . . . . . . . . . .

Pre-Disassembly Inspection 18. . . . . . . . . . . . . . . . Pinion Gear Height 18. . . . . . . . . . . . . . . . . . . . . . . . Shift Spool End Play 18. . . . . . . . . . . . . . . . . . . . . . Forward Gear Backlash 19. . . . . . . . . . . . . . . . . . . . Reverse Gear Backlash 19. . . . . . . . . . . . . . . . . . . .

Counter-Rotation Gear Housing Specifications 20. . . . . . . . . . . . . . . . . . . . . . . .

Torque Specifications 20. . . . . . . . . . . . . . . . . . . . . . Shimming Specifications 20. . . . . . . . . . . . . . . . . . . Lubricants, Sealers, and Adhesives 20. . . . . . . . . Special Tools 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Counter-Rotation Gear Housing ExplodedParts View 22. . . . . . . . . . . . . . . . . . . . . . . . . . .

Drive Shaft Components 22. . . . . . . . . . . . . . . . . . . Propeller Shaft Components 24. . . . . . . . . . . . . . . .

Counter-Rotation Gear Housing AssemblySpecifications 26. . . . . . . . . . . . . . . . . . . . . . . .

Pre-Disassembly Inspection 26. . . . . . . . . . . . . . . . Forward and Reverse Gear Identification 26. . . . . Pinion Gear Height 26. . . . . . . . . . . . . . . . . . . . . . . . Shift Spool End Play 26. . . . . . . . . . . . . . . . . . . . . . Forward Gear Backlash 27. . . . . . . . . . . . . . . . . . . . Reverse Gear Backlash 27. . . . . . . . . . . . . . . . . . . .

Transom Assembly Specifications 29. . . . . . . . . . Torque Specifications 29. . . . . . . . . . . . . . . . . . . . . . Special Tools 29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lubricants, Sealers, and Adhesives 29. . . . . . . . .

Alpha One Transom Assembly Exploded View 30. . . . . . . . . . . . . . . . . . . . . . .

Bell Housing Components 30. . . . . . . . . . . . . . . . . . Gimbal Housing Components 32. . . . . . . . . . . . . . . Inner Transom Plate Components 34. . . . . . . . . . . Gimbal Ring and Steering Lever

Components 35. . . . . . . . . . . . . . . . . . . . . . . . . .

ALPHA ONE GEN. II STERN DRIVE 2 - 190-806534960

Installation Specifications

Torque SpecificationsNOTE: Securely tighten all fasteners not listed below.

ITEMTORQUE

ITEMlb. in. lb. ft. N⋅m

Exhaust Pipe to GimbalHousing Screws

23 31

Propeller Nut 1 55 75

Steering Cable Coupler Nut

Tighten Nut Until It Bottoms Out Against FlatWasher, then Loosen 1/2

Turn

Steering Cable Coupler Nut 35 48

Steering system Pivot Bolts 50 68

Transom Assembly Attaching Screws and Nuts

23 31

Power Steering HydraulicH Fi i 23 31

g yHose Fittings 23 31

Stern Drive Unit to BellHousing Attaching Nuts

50 68

1: Amount specified is MINIMUM.

Lubricants, Sealers, and Adhesives

DESCRIPTION PART NUMBER

Quicksilver 2-4-C Marine Lubricantwith Teflon

92–825407A12

Quicksilver Special Lubricant 101

92-13872A1

Perfect Seal 92-34227-1

Liquid Neoprene 92-25711--2

Quicksilver Engine Coupler Spline Grease

92-816391A4

Special Tools


Alignment Tool Assembly

91-805475A1

Transom Specifications

22170

a

e c

d

a

b

b

fa - Transom Thickness-2-2 1/4 in. (51mm-57mm)b - Transom Surfaces-Parallel to within 1/8 in. (3.2 mm)c - Area Covered by Inner Transom Plate - Flat to within 1/8 in.

(3.2 mm)d - Area Covered by Gimbal Housing Assembly - Flat to within

1/16 in. (1.6 mm)e - Transom Angle-10� to 16�f - Keel (if Equipped) - Remove 4 ft. (1.2 m) forward of

transom


Installation Procedures

Transom Assembly Installation

! CAUTIONSteering lever ground wire MUST be positionedas shown or wire may fatigue.

70012

70015

70011

50632

50632

70005

1

2

4

2

3

2

5

6

7

7

a2

a

a

a

700068

b

1 - Speedometer Tube Pick-up Connection2 - Locknuts and Flat Washers3 - Screw4 - Steering Lever Continuity Wire5 - Trim System Wires6 - Shift Cable7 - Trim Hoses (and MerCathode Wires, if so equipped)8 - Gear Lube Hose Fitting

Torque Specification

a 23 lb. ft. (31 N·m)

b 70-90 lb.in. (8-10 N·m)


Power Steering Control Valve and Cable Installation

71901

71903

71906

5 68

7

4

a

12

3b 10

73901

9

5

A

1 - Steering Cable2 - Grease Fitting3 - Cable Coupler Nut4 - Cable Guide Tube5 - Cable End6 - Clevis7 - Clevis Pin8 - Cotter Pin9 - Flats on Guide Tube MUST Be Vertical10- Pivot Bolt


A - Quicksilver Special Lubricant 101 92-13872A1. . . . . . . . . . . .


a 35 lb. ft. (47 N·m)

b 50 lb. ft. (68 N·m)


Power Steering Hose Connections

73786

a

Typical Hose Routing

a - Hose Fittings - Torque Both Fittings to 23 lb. ft. (31 N·m).

Stern Drive Unit Installation

USING THE ALIGNMENT TOOL

! CAUTIONForcing the alignment tool into position maydamage the Gimbal Bearing or Engine Coupler.Do not attempt to force the alignment tool!

Raise or lower the engine as necessary until align-ment tool moves freely.

71463

a

a

c

a - Alignment Toolb - Gimbal Bearingc - Engine Coupler

STERN DRIVE TO BELL HOUSING CONNECTION

a b

22062

a - Locknut and Flat Washers - Torque to 50 lb. ft. (68 N·m)b - Locknut and Continuity Circuit Washer - Torque to 50 lb. ft.

(68 N·m)

Trim Cylinder Connection

a

b c

d

e

70027

a - Aft Anchor Pinb - Bushingsc - Flat Washers (2)d - E-ring Clips (2)e - Plastic Caps (2)


Propeller Installation

a

b

c

e f

g

d

a - Propeller Shaftb - Forward Thrust Hubc - Propellerd - Continuity Washere - Spline Washerf - Tab Washerg - Propeller Nut-Torque to 55 lb. ft. (75 N·m)


Drive Shaft HousingSpecifications


DESCRIPTIONTORQUE

DESCRIPTIONlb. in. lb. ft. N⋅m

Top Cover Screws 17-23 23-31

U-joint Retainer Nut 200 271

Oil Vent Screw 30-50 3.4-5.6

Upper Drive Shaft Bearing Preload

DESCRIPTIONTORQUE

DESCRIPTIONlb. in. N⋅m

New Bearings 6-15 0.7-1.7

Used Bearings* 3-7.5 0.3-0.8

*Bearings are considered used if spun under load once.

U-joint Bearing Preload

DESCRIPTIONTORQUE

DESCRIPTIONlb. in. N⋅m

New Bearings 6-10 0.7-1.1

Used Bearings* 3-7.5 0.3-0.8

*Bearings are considered used if spun under load once.

Gear Shimming Specifications

DESCRIPTIONGEAR LOCATION

DESCRIPTIONinches millimeters

Drive Gear .025 0.64

Driven Gear .025 0.64




92-825407A12

Quicksilver U-Jointand Gimbal BearingGrease

92-828052A2

3M Brand Adhesive 92-25234-1

Quicksilver BellowsAdhesive

92-86166

Quicksilver NeedleBearing Assembly Lubricant

92-825265A1

Quicksilver Perfect Seal 92-34227-1

Permatex Ultra Blue Silicone Sealant

Obtain Locally


92-13872A1

Quicksilver High Performance GearLube

92-816026A4

Special Tools


Adaptor 91-38756

Bearing Cup Driver 91-38918

Bearing Driver Cup 91-33493

Driver Cup 91-36577

Driver Rod 91-37323

Driver Tool 91-90774

Oil Seal Driver 91-817570

Shimming Tool(Driven Gear)

91-60526

Shimming Tool(Drive Gear)

91-60523

Slide Hammer Puller 91-34569A1

Torque Wrench (lb. in.) 91-66274

U-joint Bearing RetainerWrench

91-17256

Universal Puller Plate 91-37241


TORQUE CONVERSION CHART

Use the following table to torque the u-joint retainerto 200 lb. ft. (271 N·m).

Torque Wrench Lengthin Inches (cm)

Torque Wrench Readingin lb. ft. (N·m) to

Achieve 200 lb. ft.(271 N·m) of Torque

15 (38)16 (41)17 (43)18 (46)19 (48)20 (51)21 (53)22 (56)23 (58)24 (61)25 (64)26 (66)27 (69)28 (71)29 (74)30 (76)31 (79)32 (81)33 (84)34 (86)35 (89)36 (91)

111 (151)114 (155)117 (159)120 (163)123 (167)125 (170)127 (172)129 (175)131 (178)133 (180)135 (183)136 (184)138 (187)140 (190)141 (191)143 (194)144 (195)145 (197)147 (200)148 (201)149 (202)150 (203)

a

26363

a

a - Torque Wrench Length

70690

1

23

4

5

6

7

8

9

10

11

11

12

13

14

15

16

1718

1920

21

19

22

23

2526

23

24

27

2829

b

a

A

A

C

B

B

D


Drive Shaft Housing Exploded Parts ViewU-Joint and Driven Gear Components


1 - Drive Shaft Housing2 - Screw3 - O-ring4 - Spring Assembly5 - Oil Seal6 - Wear Pad7 - Plug8 - Universal Joint9 - Yoke, universal joint - gear end10- Socket, center - universal joint11- Cross and Bearing12- Yoke Assembly, universal

joint - coupling end13- O-ring14- Retainer15- Ring16- O-ring17- Carrier Assembly18- Oil Seal19- Roller Bearing and Cups20- Cup Spacer21- Shim22- Shim23- Drive Gear Assembly24- Roller Bearing and Cup25- Washer26- Nut27- Shims28- Ground Plate29- Screw


A - 2-4-C Marine Lubricantwith Teflon 92-825407A12. . . . . . . . . . . .

B - Quicksilver High PerformanceGear Lube 92-816025A4. . . . . . . . . . . . .

C - Quicksilver Special Lubricant 101 92-13872A1. . . . . . . . . . . .

D - Quicksilver Engine Coupler Spline Grease 92-816391A4. . .


a 200 lb. ft. (271 N·m) (See Chart on p. 2B-2)

Rolling Preload

b Tighten in Small Increments Until6-10 lb. in. (.07-1.1 N·m) of Rolling Preload


Drive Shaft Components

74243

a

b

b

A

B

5

1

2

3

4

8

9

10

11

12

13

14

16

15

17

18

1 - Cover, top2 - Bearing and Cup3 - Shim4 - O-ring5 - Screw8 - Drive Shaft, upper9 - Filler Wall10- Washer11 - Nut12- Anodic Plate13- Screw14- Lockwasher15- Screw16- Seal17- Water Tube18- Stuffer Plug


A - Quicksilver 2-4-C MarineLubricant with Teflon 92-825407A12. . .

B - Quicksilver High Performance Gear Lube 92-816026A4.

Torque Specifications

a 20 lb. ft. (27 N·m)

b 35 lb. ft. (47.5 N·m)


Drive Shaft HousingShimming

Gear Distance, Driven Gear

SHIMMING TOOL 91-60526

Overall DriveUnit Gear Ratio

ToolPosition

1.47:11.62:11.81:11.94:12.40:1

ZXYYY

23012

a

.025”(0.64mm

)

a - Feeler Gauge - .025 in. (0.635mm)

Gear Distance, Drive Gear

23012

.025”(0.64mm)

a

23012

SHIMMING TOOL 91-60523

Overall DriveUnit Gear Ratio

ToolPosition

ZYYYY

1.47:11.62:11.81:11.94:12.40:1

a - Feeler Gauge - .025 in. (0.635mm)


Standard Rotation GearHousing SpecificationsTorque SpecificationsNOTE: Securely tighten all fasteners not listed below.

DESCRIPTIONTORQUE


Water Pump Body Screws 60 6.8

Pinion Gear Nut 70 95

Gear Housing to DriveShaft Housing Screws

28 38

Gear Housing to DriveShaft Housing Nuts

35 47

Trim Tab Screw 23 31

Shift Shaft Bushing Screws 60 6.8

Drive Shaft Retainer 100 136

Bear Carrier Retainer 210 285

Oil Fill/Drain Screw 30-50

3.4-5.6



Shimming Specifications



Pinion Gear Height .025 0.64

Forward Gear Backlash .017-.028 0.43-0.71

Reverse Gear Backlash .034-.054 0.86-1.37



Quicksilver 2-4-C Marine Lubricant with Teflon

92-825407A12

3M Brand Adhesive 92-25234-1

Quicksilver Bellows Adhesive 92-86166

Quicksilver Needle Bearing As-sembly Lubricant

92-825265A1


Permatex Ultra Blue SiliconeSealant

Obtain Locally

Quicksilver Special Lubricant101

92-13872A1

Loctite 8831 92-823089-1

Quicksilver High PerformanceGear Lube

92-816026A4


Special Tools

DESCRIPTION PART NO.

Backlash Indicator Rod 91-53459Bearing Carrier Retainer Wrench 91-61069Bearing Preload Tool ♠ 91-14311A2*Belleville Washer 12-54048Dial Indicator 91-58222A1Dial Indicator Holding Tool 91-89897Drive Shaft Nut Wrench 91-56775Driver Cup ♦ 91-31106Drive Shaft Bearing Wrench 91-43506Needle Bearing Driver 91-15755Needle Bearing Driver 91-33491Oil Seal Driver 91-31108Oil Seal Driver 91-817569Pinion Gear Shimming Tool 91-56048Pinion Nut Adapter (Includes the following item) 91-61067A3

Drive Shaft Adapter 91-61077Puller Bolt 91-85716Puller Jaws 91-46086A1Slide Hammer Puller 91-34569A1Torque Wrench (inch pound) 91-66274Universal Puller Plate 91-37241Water Pump Alignment Pins 91-821571A1Universal Bearing Removal and Installation Tool (Includes the following items) 91-31229A7

Bearing Adapter 91-15755Bearing Installation Tool 91-38628Collar 91-30366-1Driver Head 91-32336Driver Head 91-36569Driver Head 91-37311Driver Head 91-37312Driver Head 91-52393Driver Head Rod 91-37323Nut 11-24156Pilot Washer 91-36571Pilot Washer 91-37324Pilot Washer 91-37350Puller Plate 91-29310Puller Head 91-36379Puller Head 91-32325Puller Head 91-38628Puller Rod 91-52394Puller Shaft 91-31229Roller Bearing Removal and Installation Tool 91-37292Washer 12-34961

♠ The 91-14311A2 Bearing Preload Tool is also usedon Mercury and Mariner V-6 gear housings.

♦ The 91-31106 Bearing Cup Driver is also used onMercury and Mariner V-6 gear housings and BravoStern Drives.


Standard Rotation Gear Housing Exploded Parts ViewDrive Shaft Components

74242

28

7

30

2526

29

31

a

f

a

b

A

D

A

A

A(ID)

C

A

B

D

A

hE

18

21

19

20

13

11

10

32

343

9

38

37

337

5

4

1

216

15

14

8

23

17

24

22

6

27

36

12

38


1 - Gear Housing2 - Pin3 - Stud4 - Oil Fill/Drain Screw5 - O-ring6 - Seal7 - Dowel Pin8 - Roller Bearing9 - Speedometer Fitting10- Drive Shaft11- Shim12- Bearing and Cup13- Nut14- Gear Drive15- Washer16- Nut17- Face Plate18- Carrier19- Oil Seal20- Oil Seal21- O-ring22- Water Pump23- Gasket24- Gasket25- Face Seal26- Screw27- Impeller28- Key29- Coupling30- O-rings31- Sleeve32- Shift Shaft33- Retaining Ring34- Sleeve35- Bushing Assembly36- Oil Seal37- O-rings38- Screw


A - Quicksilver 2-4-C Marine Lubricant with Teflon 92-825407A12. . .

B - 3M Brand Adhesive 92-25234-1. . . . . . .

C - Loctite 8831 92-823089-1. . . . . . . . . . . . .

D - Quicksilver High Performance Gear Lube 92-816026A4.

E - Quicksilver Needle Bearing Assembly Lubricant 92-825265A1. . . . .


a 60 lb. in. (6.8 N·m)

b 70 lb. ft. (95 N·m)

c 28 lb. ft. (38 N·m)

d 35 lb. ft. (47 N·m)

e 23 lb. ft. (31 N·m)

f 100 lb. ft. (136 N·m)

g 210 lb. ft. (285 N·m)

h 30-50 lb. in. (3.4-5.6 N·m)


Propeller Shaft Components

73601

c

d

g

F(OD)

A(ID)

C

C

B

CE

D

2223

e

35

25 24

2627

282930

12

1415

1617

18

2

45

6

10

8

11

3

9

7

31

33

34

1

20

21

13

19

32


1 - Gear Housing2 - Shift Crank3 - Shift Spool Assembly4 - Shim, Bearing Outer Race5 - Bearing and Cup6 - Forward Gear7 - Roller Bearing8 - Sliding Clutch9 - Cross Pin10- Spring11- Propeller Shaft12- Reverse Gear13- Thrust Washer14- Thrust Hub15- Ball Bearing16- O-ring17- Roller Bearing18- Bearing Carrier Assembly19- Anode20- Screw21- Star Washer22- Oil Seal (Inside)23- Oil Seal (Outside)24- Tab Washer25- Retainer26- Thrust Hub27- Continuity Washer28- Spline Washer29- Tab Washer30- Locknut - Propeller31- Anodic Trim Tab (Anodic Plate - Some Models)32- Screw33- Star Washer34- Screw35- Nut


A - Quicksilver 2-4-C MarineLubricant with Teflon 92-825407A12. . . .

B - Loctite 8831 92-823089-1. . . . . . . . . . . . .

C - Quicksilver High Performance Gear Lube 92-16026A4. .

D - Quicksilver Perfect Seal 92-34277-1. . . .

E - Permatex Ultra Blue Silicone Sealant Obtain Locally. . . . . . . .

F - Quicksilver Special Lubricant 101 92-13872A1. . . . . . . . . . . .


a 60 lb. in. (6.8 N·m)

b 70 lb. ft. (95 N·m)

c 28 lb. ft. (38 N·m)

d 35 lb. ft. (47 N·m)

e 23 lb. ft. (31 N·m)

f 100 lb. ft. (136 N·m)

g 210 lb. ft. (285 N·m)


Standard Rotation GearHousing AssemblySpecificationsPre-Disassembly Inspection

Action Reading

Move propeller shaftfrom one side to anoth-er

Less than .003 in. (0.08 mm)

Rotate propeller shaft .005 in. (.127 mm) orless

22086

Pinion Gear HeightCheck pinion height at four locations. Average pinion gear height: .025 in. (0.64 mm).

26410

Shift Spool End Play

23142

ea

fg

d

b c

h

a - Washers (2)b - Springc - Retainerd - Spoole - Shift Shaftf - Castle Nutg - Cotter Pinh - End Play Measurement: .002 in. (.05mm) to

.010 in. (.25mm)


Forward Gear BacklashApply forward pressure to the propeller shaft withpuller jaws. Torque the puller bolt to 45 lb. in. (5 N·m ).

70719

a - Puller Jawsb - Puller Bolt

Take readings at four different locations, 90� apart,and average them for the backlash reading.Backlash reading: .017-.028 in. (0.43-0.71 mm)

70717

fed

a

a

cb

a - Nuts (4)b - Threaded Rodc - Dial Indicator Holding Toold - Dial indicatore - Indicator Pointer-Set at “I” on Backlash Indicator Rodf - Backlash Indicator Rod

Reverse Gear BacklashUse the pinion nut adaptor to apply backward pres-sure on the propeller shaft. Torque Propeller nut to 45 lb. in. (5 N·m).

23355

abc

a - Pinion Nut Adaptorb - Washerc - Propeller Nut

Backlash reading: .034-.054 in. (0.86-1.37 mm).

70717

fed

a

a

cb

a - Nuts (4)b - Threaded Rodc - Dial Indicator Holding Toold - Dial indicatore - Indicator Pointer-Set at “I” on Backlash Indicator Rodf - Backlash Indicator Rod


Counter-Rotation GearHousing SpecificationsTorque SpecificationsNOTE: Securely tighten all fasteners not listed below.

DESCRIPTIONTORQUE


Water Pump Body Screws 60 6.8

Pinion Gear Nut 70 95

Gear Housing to DriveShaft Housing Screws

28 38

Gear Housing to DriveShaft Housing Nuts

35 47

Trim Tab Screw 23 31

Shift Shaft Bushing Screws 60 6.8

Drive Shaft Retainer 100 136

Bear Carrier Retainer 210 285

Oil Fill/Drain Screw 30-50

3.4-5.6



Shimming Specifications



Pinion Gear Height .025 0.64

Forward GearBacklash

.017-.028 0.43-0.71

Reverse GearBacklash

.040-.050 1.02-1.27



Quicksilver 2-4-C Marine Lubricant with Teflon

92-825407A2

3m Brand Adhesive 92-25234-1

Quicksilver Bellows Adhesive 92-86166

Quicksilver Needle BearingAssembly Lubricant

92-825265A1


Permatex Ultra Blue Silicone Sealant

Obtain Locally


92-13872A1

Loctite 8831 92-823089-1

Quicksilver High Performance Gear Lube

92-816026A1


Special Tools

Description Tool Part No.

Backlash Indicator Rod 91-53459Bearing Adaptor Installation Tool 91-18605A1Bearing Carrier Retainer Wrench 91-61069Bearing Driver ♦ 91-807944Bearing Preload Tool 91-14311A2*Bearing Removal Tool 91-816245Belleville Washer 12-54048Dial Indicator 91-58222A1Dial Indicator Holding Tool 91-89897Drive Shaft Nut Wrench 91-56775Drive Shaft Bearing Retainer Wrench 91-43506Guide Plate 91-816243Needle Bearing Driver 91-15755Oil Seal Driver 91-31108Oil Seal Driver 91-817569Pinion Gear Shimming Tool 91-56048Pinion Nut adapter (Includes the following item) 91-61067A3

Drive Shaft Adapter 91-61077Puller Bolt 91-85716Puller Jaws 91-46086A1Puller Jaws 91-816242Slide Hammer Puller 91-34569A1Forward Gear Installation Tool 91-815850Torque Wrench (inch pound) 91-66274Universal Puller Plate 91-37241Water Pump Alignment Pins 91-821571A1Universal Bearing Removal and Installation Tool (Includes the following items) 91-31229A5

Driver Head 91-36569Driver Head Rod 91-37323Nut 11-24156Pilot Washer 91-36571Puller Plate 91-29310Puller/Driver Head 91-38628Puller Shaft 91-31229Washer 12-34961

*The 91-14311A2 Bearing Preload Tool is also usedon Mercury and Mariner V-6 gear housings.

♦ New Tool

NOTE: Water Pump Face Seal Tool is not availableseparately, 26-816575A2 is a kit part number whichincludes the tool and the face seal.

74242

18

21

19

20

11

28 32

34

3

9

38

337

4

1

2

16

15

14

8

7

23

17

24

30

2526

29

31

a

f

a

b

A

D

A

A

A(ID)

C

A

B

D

A

6

hE

5

37

36

10

13

1227

22

39


Counter-Rotation Gear Housing Exploded Parts ViewDrive Shaft Components


1 -Gear Housing2 -Pin3 -Stud4 -Screw5 -Oil Fill/Drain Screw

O-ring6 -Seal7 -Dowel Pin8 -Roller Bearing9 -Speedometer Fitting10-Drive Shaft11 -Shim12-Bearing and Cup13-Nut14-Gear Drive15-Washer16-Nut17-Face Plate18-Carrier19-Oil Seal20-Oil Seal21-O-ring22-Water Pump23-Gasket24-Gasket25-Face Seal26-Screw27-Impeller28-Key29-Coupling30-O-rings31-Sleeve32-Shift Shaft33-Retaining Ring34-Sleeve35-Bushing Assembly36-Oil Seal37-O-rings38-Screw39-Stuffer Plug


A - Quicksilver 2-4-C Marine Lubricant with Teflon 92-825407A12. . .

B - 3M Brand Adhesive 92–25234-1. . . . . . .

C - Loctite 8831 92-823089-1. . . . . . . . . . . . .

D - Quicksilver High Performance Gear Lube 92-816026A4.

E - Quicksilver Needle Bearing Assembly Lubricant 92-825265A1. . . . .


a 60 lb. in. (6.8 N·m)

b 70 lb. ft. (95 N·m)

c 28 lb. ft. (38 N·m)

d 35 lb. ft. (47 N·m)

e 23 lb. ft. (31 N·m)

f 100 lb. ft. (136 N·m)

g 210 lb. ft. (285 N·m)

h 30-50 lb. in. (3.4-5.6 N·m)

d

c

e

E

g

G(OD)

E

H

F

74723

39

14

1516

17

19

20

21

2223

24

25

26

27

28

272625

29

30

31

33

34

363738

35

8

9

1011

12

13

7

6

5

1

18

2

3

4

40

33

32

6

(ID)A


Propeller Shaft Components


1 - Gear Housing2 - Screw - Trim Plate or Tab3 - Nut4 - Screw5 - Lockwasher6 - Anodic Plate or Tab7 - Shift Crank8 - Shift Spool Assembly9 - Shims10- Bearing Adapter - Reverse Gear11- Roller Bearing12- Thrust Washer13- Thrust Bearing14- Roller Bearing15- Reverse Gear16- Retainer Spring - Cross Pin17- Clutch18- Cross Pin19- Propeller Shaft20- Forward Gear21- Shim Spacer22- Thrust Bearing23- Roller Bearing24- Bearing Adapter - Forward Gear25- Thrust Washer26- Thrust Bearing27- Thrust Race28- Keepers29- O-ring30- Needle Bearing31- Bearing Carrier32- Propeller Anode and Screws33- Seals34- Tab Washer35- Retaining Nut36- Thrust Hub37- Continuity Washer38- Spline Washer39- Tab Washer40- Locknut


A - Quicksilver 2-4-C Marine Lubricantwith Teflon 92-825407A12. . . . . . . . . . . .

B - 3M Brand Adhesive 92–25234-1. . . . . . .

C - Quicksilver Bellows Adhesive 92-86166. . . . . . . . . . . . . . . . . . .

D - Quicksilver Needle Bearing Assembly Lubricant 92-825265A1. . . . .

E - Quicksilver Perfect Seal 92-34227-1. . . .

F - Permatex Ultra Blue Silicone Sealant Obtain Locally. . . . . . . .

G - Quicksilver Special Lubricant 101 92-13872A1. . . . . . . . . . . .

H - Loctite 8831 92-823089-1. . . . . . . . . . . . .

I - Quicksilver High Performance Gear Lube 92-816026A4.


a 60 lb. in. (6.8 N·m)

b 70 lb. ft. (95 N·m)

c 28 lb. ft. (38 N·m)

d 35 lb. ft. (47 N·m)

e 23 lb. ft. (31 N·m)

f 100 lb. ft. (136 N·m)

g 210 lb. ft. (285 N·m)


Counter-Rotation GearHousing AssemblySpecifications

Pre-Disassembly Inspection

Action Reading

Move propeller shaftfrom one side to another

Less than .003 in. (0.08 mm)

Rotate propeller shaft .005 in. (.127 mm) orless

22086

Forward and Reverse GearIdentificationIMPORTANT: The forward and reverse gears look al-most identical. There are two ways to distinguish be-tween the reverse and forward gears. The reverse gearhas a shorter hub and it has a groove cut into the backof the gear just inside the thrust bearing race.

50885

REVERSE FORWARD

ab

a - Shorter Hubb - Groove

Pinion Gear HeightTake readings in three locations, 120� apart. Readings: .025 in. (0.64 mm).

26410

.

Shift Spool End Play

74877

ea

fg

d

b c

h

a - Washers (2)b - Springc - Retainerd - Spoole - Shift Shaftf - Castle Nutg - Cotter Pinh - End Play Measurement: .002 in. (.05mm) to

.010 in. (.25mm)


Forward Gear BacklashApply a slight preload on forward gear using tools asshown.

50880

a b

c

d

a - Torque Wrench (91-66274)b - Propeller Nut [Torque to 45 lb. in. (5 N·m)]c - Washer (91-54048)d - Pinion Nut Adaptor (91-61067A3)

Check Backlash in four places. Rotate the drive shaft90� after each check.

Backlash Reading: .017-.028 in (0.43-0.71mm).

70717

a

a

b c

d

e f

a - Nuts (4) (obtain locally)b - Threaded Rod [3/8 in. (9.5 mm) obtain locally]c - Dial Indicator Holding Tool (91-89897)d - Dial Indicator (91-58222A1)e - Indicator Pointer-set indicator pointer at “I” on

backlash indicator rodf - Backlash Indicator Rod (91-53459)

Reverse Gear BacklashApply a slight preload on reverse gear using tools asshown.

70973

b

c

d

a

a - Torque Wrench (91-66274)b - Driver Bolt [Torque to 45 lb. in. (5N·m)]c - Bearing Adaptor Installation Tool

(91-18605A1)d - Reverse Gear

Check Backlash in four places. Rotate the drive shaft90� after each check.

Backlash Reading: .050-.060 in. (1.27-1.52 mm).

a - Nuts (4) (obtain locally)b - Threaded Rod [3/8 in. (9.5 mm) obtain locally]c - Dial Indicator Holding Tool (91-89897)d - Dial Indicator (91-58222A1)e - Indicator Pointer-set indicator pointer at “I” on backlash indicator rodf - Backlash Indicator Rod (91-53459)

70717

a

b c

d

e f

a


THIS PAGE IS INTENTIONALLY BLANK


Transom AssemblySpecifications


DESCRIPTIONTORQUE


Shift Cable Core Wire Anchor Screws

20 2.3

Bellows Hose Clamps 35 4

Gimbal Ring to Bell Housing Hinge Pins

102 143

Gimbal Ring Screws 55 74

Steering Screw and Nut 60 81

Transom Assembly Attaching Screws, Nut

20-25

27-34

90�Fitting Nut 10-14

14-19

90�Fitting 70-90

8-10

Oil Fill/Drain Screw 23 30

Special Tools


Bearing Removal andInstallation Tool

91-31229A5

Bellows Expander Tool 91-45497A1

Slide Hammer Puller 91-34569A1

Shift Cable Removaland Installation Tool

91-12037

Driver 91-33492

Driver 91-33491

Driver 91-33489

Driver Head 91-32325

Driver Rod 91-37323

Drive Shaft Nut Wrench 91-56775

Alignment Tool Assembly

91-805475A1

Expander Tool 91-45497A1

Hinge Pin Tool 91-78310

Mandrel 91-30366

Nut 11-24156

Special Tools (continued)


Plate (2) 91-29310

Puller 91-63616

Puller Head 91-38919

Puller Shaft 91-31229

Washer 12-34961

Bushing InstallationTool

91-806928T

Sleeve Installation Tool 91-818169

Sleeve Removal Tool 91-818162



Quicksilver BellowsAdhesive

92-86166


92-825407A12

Quicksilver U-Joint andGimbal Bearing Grease

92-828052A2

Perfect Seal 92-34227-1

Anti-Corrosion Grease 92-78376-12

Locquic Primer “T” 92-59327-1

Loctite 8831 92-823089-1


92-13872A1

6

16

a

A

A

73316

17

18

3

13

22

24

10

12

23

7

A

b

20

11

36

38

5

3537

33

34

2

14

15

14

14

3130

2928

32

26

25

4

9

18

a21

B

A

27

1

C

E

CB

F

B(O.D.)

c


Alpha One Transom Assembly Exploded ViewBell Housing Components


1 - Bell Housing Assembly2 - Gasket3 - Connector4 - Pipe Plug5 - Bushing6 - Bushing 7 - Gasket (Rubber)8 - O-ring9 - Washer (Synthane)10-Stud11- Washer12- Nut13- Universal Joint Bellows14- Ground Clip15- Clamp16- Sleeve17- Hose18- Clamp19- Exhaust Bellows20- Seals21- Clamp22- Lever Assembly23- Washer24- Screw25- Shift Shaft (Upper)26- Coupling Assembly27- Tubing28- Clip29- Clamp30- Fitting Assembly31- Connector32- Clamp33- Hose34- Clamp35- Connector36- O-ring37- Valve Assembly38- O-ring


A - Quicksilver Bellows Adhesive 92-86166. . . . . . . . . . . . . . . . . . . . . . . . . . . .

B - Loctite 8831 92-823089-1. . . . . . . . . . . . . . . .

C - Perfect Seal 92-34227-1. . . . . . . . . . . . . . . . .

D - Special Lubricant 101 92-13872A1. . . . . . . .

E - Quicksilver High Performance. . . Gear Lube 92-816026A4. . . . . . . . . . . . . . . . . . . . . .

F - 3M Brand Adhesive 92-25234-1. . . . . . . . . .


a Tighten SecurelyApproximately 35 lb. in. (4 N·m)

b 50 lb. ft. (68 N·m)

c 8 lb. ft. (11 N·m)

38

34

36

37

35

39

a

b

74861

18

20

A

47

19

48

B

d

C

D

1

21

27 26

33

32

14

16

15

17

13

6

12

11

31

7

29

9

41

41

40

42

43

44

5 3

440

8

2

14

45

46

30

10

49 c


Gimbal Housing Components


1 - Gimbal Housing2 - Stud3 - Lower Bushing4 - Oil Seal5 - Upper Bushing6 - Grease Fitting7 - Lubricap8 - Grease Seal9 - Bearing Assembly10- Tolerance Ring11- O-Ring12- Stud13- Seal14- Pipe Plug15- Water Tube16- Bushing17- Cover18- Screw19- Lower Swivel Pin20- Cotter Pin21- Washer22- Bolt23- Washer24- Washer25- Nut26- Bolt27- Clamp28- Clamp29- Washer30- Nut31- Gasket32- Connector33- Lockwasher34- Nut35- Anodic Plate36- Seal37- Gasket38- Screw39- Lockwasher40- Hose41- Clamp42- 90� Fitting43- Nut44- Washer45- O-ring46- Connector47- Continuity Wire48- Continuity Wire

Connection49- Hose Clamp


A - Quicksilver Bellows Adhesive 92-86166. . . . . . . . . . . . . . . . . . .

B - Quicksilver Perfect Seal 92-34227-1. . . .

C - Loctite 8831 92-823089-1. . . . . . . . . . . . .

D - Quicksilver U-Joint and Gimbal Bearing Grease 92-828052A2. .


a 70-90 lb. in. (8-10 N·m)

b 10-14 lb. ft. (14-19 N·m)

c 35-42 lb. in. (3.96-4.75 N·m)

d 25 lb. ft. (34 N·m)


Inner Transom Plate Components

c 4

9

2

3

1

74850

10a

11

b

5

6

7

8

74865

13

1219

20

1718

16

14

15

1 - Transom Plate Assembly2 - Pivot Bolts3 - Tab Washers4 - Screw Engine Mounting5 - Washer6 - Spacer7 - Washer - Fiber8 - Lockwasher - Double Wound9 - Locknut10- Washer11- Locknut12- Shift Cable Outer Casing13- End Guide14- Core Wire Anchor

15- Anchor Screws16- Core Wire17- Shift Slide18- Screw - Core Wire Cavity19- Gimbal Housing Eyelet20- Cable Wrapping


a 25 lb. ft. (34 N·m)

b 23 lb. ft. (30 N·m)

c 37 lb. ft. (50 N·m)


Gimbal Ring and Steering Lever Components

24

25

13

19

23

22

5

109

8

2

34

20

621

18

7

16

1517

1

73318

c

a

b

26

A

14

11

12

8

9

10

d

1 - Gimbal Ring2 - Bushing3 - Grease Fitting4 - Lubricap5 - Hinge Pin6 - Trim Limit Switch7 - Washer8 - Screw9 - Lockwasher10- Retainer11- Trim Wire Clamp12- Screw13- Steering Lever14- Swivel Shaft15- Washer16- Washer17- Nut18- Screw19- Nut20- Screw21- Washer

22- Washer23- Locknut24- Clevis Pin25- Cotter Pin26- Trim Position Sender


A - Resiweld Sealer 92-65150-1. . . . . . . . . .


a 60 lb. ft. (81 N·m)

b 55 lb. ft. (74 N·m)

c 110 lb. ft. (148 N·m)

d 90-100 lb. in. (10-11 N·m)

alpha one generation ii stern drive

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