5-81
CONNECTING RODS AND PISTONS
ENG
NOTE:
NOTE:
Piston ring side clearance
Top ring
0.030
X
0.065 mm
(0.0012
X
0.0026 in)
<Limit>: 0.115 mm (0.0045 in)
2nd ring
0.020
X
0.055 mm
(0.0008
X
0.002 in)
<Limit>: 0.115 mm (0.0045 in)
2. Install:
S
piston ring
(into the cylinder)
Level the piston ring into the cylinder with the
piston crown.
a 5 mm (0.20 in)
3. Measure:
S
piston ring end gap
Out of specification
!
Replace the piston
ring.
The oil ring expander spacer’s end gap cannot
be measured. If the oil ring rail’s gap is exces-
sive, replace all three piston rings.
Piston ring end gap
Top ring
0.15
X
0.25 mm
(0.0059
X
0.0098 in)
<Limit>: 0.50 mm (0.0197 in)
2nd ring
0.30
X
0.45 mm
(0.0118
X
0.0177 in)
<Limit>: 0.80 mm (0.0315 in)
Oil ring
0.10
X
0.40 mm
(0.0039
X
0.0158 in)
CHECKING THE PISTON PINS
The following procedure applies to all of the pis-
ton pins.
1. Check:
S
piston pin
Blue discoloration / grooves
!
Replace the
piston pin and then check the lubrication sys-
tem.
Summary of Contents for YZF-R1S
Page 1: ......
Page 50: ...2 22 TIGHTENING TORQUES SPEC Cylinder head tightening sequence Crankcase tightening sequence ...
Page 56: ...2 28 1 Thermostat 2 Radiator cap 3 Radiator 4 Oil cooler COOLING SYSTEM DIAGRAMS SPEC ...
Page 57: ...2 29 ENGINE OIL LUBRICATION CHART SPEC ENGINE OIL LUBRICATION CHART ...
Page 61: ...2 33 1 Main axle 2 Oil delivery pipe 3 Drive axle LUBRICATION DIAGRAMS SPEC ...
Page 62: ...2 34 1 Cylinder head 2 Crankshaft LUBRICATION DIAGRAMS SPEC ...
Page 346: ...7 2 FUEL INJECTION SYSTEM FI 7 WIRING DIAGRAM ...
Page 401: ...8 8 IGNITION SYSTEM ELEC EAS00735 IGNITION SYSTEM CIRCUIT DIAGRAM ...
Page 420: ...8 27 LIGHTING SYSTEM ELEC EAS00780 LIGHTING SYSTEM CIRCUIT DIAGRAM ...
Page 427: ...8 34 SIGNALING SYSTEM ELEC EAS00793 SIGNALING SYSTEM CIRCUIT DIAGRAM ...
Page 436: ...8 43 COOLING SYSTEM ELEC EAS00807 COOLING SYSTEM CIRCUIT DIAGRAM ...
Page 456: ......
Page 457: ......