2004 YAMAHA YZF-R1S Service Manual

Page 25 of 457

YAMAHA YZF-R1S 2004  Service Manual 1-9
SPECIAL TOOLS
GEN
INFO
NOTE:
EAS00027
SPECIAL TOOLS
The following special tools are necessary for complete and accurate tune-up and assembly. Use only
the appropriate special tools as this will he

Page 26 of 457

YAMAHA YZF-R1S 2004  Service Manual 1-10
SPECIAL TOOLS
GEN
INFO
Tool No.Tool name / FunctionIllustration
90890-01441
YM-01441
Fork spring compressor
This tool is used to disassemble or 
assemble the front fork legs.
90890-01442
YM-01442

Page 27 of 457

YAMAHA YZF-R1S 2004  Service Manual 1-11
SPECIAL TOOLS
GEN
INFO
Tool No.Tool name / FunctionIllustration
90890-04113
YM-04113
90890-04118
YM-4118Valve guide reamer
This tool is used to rebore the new valve
guides.
90890-06754
YM-34487
I

Page 28 of 457

YAMAHA YZF-R1S 2004  Service Manual 1-12
SPECIAL TOOLS
GEN
INFO
Tool No.Tool name / FunctionIllustration
90890-04101
Valve lapper
This tool is needed to remove and install
the valve lifter.
90890-03176
YM-03176
Fuel pressure adapter
Thi

Page 29 of 457

YAMAHA YZF-R1S 2004  Service Manual 2-1
GENERAL SPECIFICATIONSSPEC
SPECIFICATIONS
GENERAL SPECIFICATIONS
ItemStandardLimit
Model code5VY4 (USA), 5VY5 (CAL)
Dimensions
Overall length
Overall width
Overall height
Seat height
Wheelbase

Page 30 of 457

YAMAHA YZF-R1S 2004  Service Manual 2-2
ENGINE SPECIFICATIONSSPEC
2
ENGINE SPECIFICATIONS
ItemStandardLimit
Engine
Engine type
Displacement
Cylinder arrangement
Bore  stroke
Compression ratio
Engine idling speed
Vacuum pressure at engi

Page 31 of 457

YAMAHA YZF-R1S 2004  Service Manual 2-3
ENGINE SPECIFICATIONSSPEC
ItemStandardLimit
Oil filter
Oil filter type
Bypass valve opening pressure
Paper
80  120 kPa (0.8  1.2 kg / cm2,
0.8  1.2 bar, 11.6  17.4 psi)


Oil pump
Oil pu

Page 32 of 457

YAMAHA YZF-R1S 2004  Service Manual 2-4
ENGINE SPECIFICATIONSSPEC
ItemStandardLimit
Camshafts
Drive system
Camshaft cap inside diameter
Camshaft journal diameter
Camshaft-journal-to-camshaft-
cap clearance
Intake camshaft lobe dimension