2004 YAMAHA YZF-R1S transmission oil

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Page 13 of 457

YAMAHA YZF-R1S 2004  Service Manual CRANKCASE5-72 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
DISASSEMBLING  THE CRANKCASE 5-74. . . . . . . . . . . . . . . . . . . . . . . . 
CHECKIN

Page 38 of 457

YAMAHA YZF-R1S 2004  Service Manual 2-10
ENGINE SPECIFICATIONSSPEC
ItemStandardLimit
Transmission
Transmission type
Primary reduction system
Primary reduction ratio
Secondary reduction system
Secondary reduction ratio
Operation
Gear rat

Page 53 of 457

YAMAHA YZF-R1S 2004  Service Manual 2-25
LUBRICATION POINTS AND LUBRICANT TYPESSPEC
EAS00031
LUBRICATION POINTS AND LUBRICANT TYPES
ENGINE
Lubrication point
Lubricant
Oil seal lips
O-rings
Bearings
Crankshaft pins
Piston surfaces
Piston

Page 298 of 457

YAMAHA YZF-R1S 2004  Service Manual 5-76
CRANKCASEENG
CAUTION:
NOTE:
3. Install:
dowel pin
4. Set the shift drum assembly and transmis-
sion gears in the neutral position.
5. Install:
lower crankcase 
1
(onto the upper crankcase 2)
Be

Page 319 of 457

YAMAHA YZF-R1S 2004  Service Manual 5-97
Order Job / Part Q’ty Remarks
1
2
3
4
5
6
7
8
9
10
11
12Removing the transmission, shift 
drum assembly, and shift forks
Crankcase lower
Drive axle assembly
Circlip
Oil seal
Bearing
Washer
Shif

Page 320 of 457

YAMAHA YZF-R1S 2004  Service Manual 5-98
TRANSMISSIONENG
Order Job / Part Q’ty Remarks
13
14
15
16
17Main axle retainer
Main axle assembly
Oil pipe
O-ring
Oil baffle plate1
1
1
2
1
For installation, reverse the removal 
procedure.
12

Page 324 of 457

YAMAHA YZF-R1S 2004  Service Manual 5-102
TRANSMISSIONENG
Order Job / Part Q’ty Remarks
6th wheel gear
Circlip
Washer
Collar
2nd wheel gear
Collar
Oil seal
Bearing
Drive axle1
1
1
1
1
1
1
1
1
For installation, reverse the removal 
pro

Page 325 of 457

YAMAHA YZF-R1S 2004  Service Manual 5-103
TRANSMISSIONENG
REMOVING THE TRANSMISSION
1. Remove:
drive axle assembly 
1
shift drum retainers 2
shift fork guide bars
shift fork “L” and “R”
shift drum assembly
shift fork “C
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