6A-26 - LOWER UNIT
90-830234R3
DECEMBER 1997
Pinion Gear Depth and Forward Gear
Backlash
DETERMINING PINION GEAR DEPTH
NOTE: Read entire procedure before attempting any
change in shim thickness.
IMPORTANT: Forward gear assembly must be
installed in gear housing when checking pinion
gear depth or an inaccurate measurement will be
obtained.
1. Clean the gear housing bearing carrier shoulder
and diameter.
2. With gear housing positioned up right (drive shaft
vertical), install Bearing Preload Tool (91-14311A2)
over drive shaft in sequence shown.
g
h
h
e
f
c
b
a
d
a - Adaptor: Bearing surfaces clean and free of nicks
b - Thrust Bearing: Oiled and able to move freely
c - Thrust Washer: Clean and free of nicks and bends
d - Spring
e - Nut: Threaded all the way onto bolt
f - Bolt: Held snug against spring
g - Sleeve: Holes in sleeve must align with set screws
h - Set Screw (2): Tightened against drive shaft, bolt should
not slide on drive shaft.
3. Measure distance between top of nut and bottom
of bolt head.
4. Increase distance by 1 in. (25.4mm).
5. Rotate drive shaft 5 to 10 revolutions. This should
properly seat upper drive shaft tapered roller
bearing.
a
b
c
19884
a - 1 in. (25.4mm)
b - Nut
c - Bolt Head
Summary of Contents for 100 FourStroke
Page 5: ...1 A 52485 IMPORTANT INFORMATION SPECIFICATIONS ...
Page 13: ...1 C IMPORTANT INFORMATION GENERAL INFORMATION ...
Page 23: ...1 D IMPORTANT INFORMATION OUTBOARD INSTALLATION ...
Page 37: ...A 2 53970 ELECTRICAL IGNITION ...
Page 81: ...B 2 11669 ELECTRICAL CHARGING AND STARTING SYSTEM ...
Page 108: ...C 2 22480 ELECTRICAL TIMING SYNCHRONIZING ADJUSTING ...
Page 119: ...D 2 ELECTRICAL WIRING DIAGRAMS ...
Page 146: ...A 3 53992 FUEL SYSTEM FUEL PUMP ...
Page 148: ...90 830234R3 DECEMBER 1997 FUEL SYSTEM 3A 1 Notes ...
Page 161: ...B 3 FUEL SYSTEM CARBURETOR ...
Page 190: ...C 3 FUEL SYSTEM OIL INJECTION ...
Page 192: ...90 830234R3 DECEMBER 1997 FUEL SYSTEM 3C 1 Notes ...
Page 211: ...4 20032 POWERHEAD ...
Page 215: ...90 830234R3 DECEMBER 1997 POWERHEAD 4 3 Notes ...
Page 292: ...A 5 MID SECTION CLAMP SWIVEL BRACKETS DRIVE SHAFT HOUSING ...
Page 294: ...90 830234R3 DECEMBER 1997 MID SECTION 5A 1 Notes ...
Page 317: ...5 51485 B MID SECTION POWER TRIM S N USA 0G360002 BEL 9934136 BELOW ...
Page 359: ...C 5 55331 MID SECTION POWER TRIM S N USA 0G360003 BEL 9934137 UP ...
Page 364: ...5C 4 MID SECTION 90 830234R3 DECEMBER 1997 Notes ...
Page 408: ...5 D MID SECTION SHOCK ABSORBER ...
Page 413: ...5 E MID SECTION MANUAL TILT ...
Page 451: ...A 6 791 H LOWER UNIT GEAR HOUSING ...
Page 489: ...6 B LOWER UNIT JET DRIVE ...
Page 491: ...90 830234R3 DECEMBER 1997 LOWER UNIT 6B 1 Notes ...
Page 513: ...A 7 50099 ATTACHMENTS CONTROL LINKAGE THROTTLE SHIFT LINKAGE ...
Page 543: ...7 B ATTACHMENTS CONTROL LINKAGE TILLER HANDLE ...
Page 545: ...90 830234R3 DECEMBER 1997 ATTACHMENTS CONTROL LINKAGE 7B 1 Notes ...
Page 567: ...51605 8 MANUAL STARTER ...
Page 569: ...90 830234R3 DECEMBER 1997 MANUAL STARTER 8A 1 Notes ...