Yamaha YZF-R1(P) 2002 Service Information page 13

Item
Piston
Piston-to-cylinder clearance
Diameter D
Height H
Piston pin bore (in the piston)
Diameter
Offset
Offset direction
Piston pins
Outside diameter
Piston-pin-to-piston-pin-bore
clearance
Piston rings
Top ring
Ring type
Dimensions (B
End gap (installed)
Ring side clearance
2nd ring
Ring type
Dimensions (B
End gap (installed)
Ring side clearance
Oil ring
Dimensions (B
End gap (installed)
ENGINE SPECIFICATIONS
0.010 X 0.035 mm
73.975 X 73.990 mm
5 mm
17.002 X 17.013 mm
0.5 mm
Intake side
16.991 X 17.000 mm
0.002 X 0.022 mm
Barrel
T) 0.90
0.32 X 0.44 mm
0.030 X 0.065 mm
Taper
T) 0.8
0.43 X 0.58 mm
0.020 X 0.055 mm
T) 1.5
0.10 X 0.35 mm
8
Standard
2.75 mm
2.8 mm
2.6 mm
2-7
SPEC
Limit
0.12 mm
SSS
SSS mm
17.043 mm
SSS
SSS
16.971 mm
0.072 mm
SSS
SSS
0.69 mm
0.115 mm
SSS
SSS
0.93 mm
0.115 mm
SSS
SSS