Yamaha YZF-R1P Service Manual page 55

Item
Timing chain
Model/number of links
Tensioning system
Valves, valve seats, valve guides
Valve clearance (cold)
Intake
Exhaust
Valve dimensions
A
Head Diameter
Valve head diameter A
Intake
Exhaust
Valve face width B
Intake
Exhaust
Valve seat width C
Intake
Exhaust
Valve margin thickness D
Intake
Exhaust
Valve stem diameter
Intake
Exhaust
Valve guide inside diameter
Intake
Exhaust
Valve-stem-to-valve-guide clearance
Intake
Exhaust
ENGINE SPECIFICATIONS
RH2015/130
Automatic
0.11 ~ 0.20 mm (0.0043 ~ 0.0079 in)
0.21 ~ 0.27 mm (0.0083 ~ 0.0106 in)
B
Face Width
22.9 ~ 23.1 mm (0.9016 ~ 0.9094 in)
24.4 ~ 24.6 mm (0.9606 ~ 0.9685 in)
1.76 ~ 2.90 mm (0.0693 ~ 0.1142 in)
1.76 ~ 2.90 mm (0.0693 ~ 0.1142 in)
0.9 ~ 1.1 mm (0.0354 ~ 0.0433 in)
0.9 ~ 1.1 mm (0.0354 ~ 0.0433 in)
0.5 ~ 0.9 mm (0.0197 ~ 0.0354 in)
0.5 ~ 0.9 mm (0.0197 ~ 0.0354 in)
3.975 ~ 3.990 mm (0.1565 ~ 0.1571 in)
4.465 ~ 4.480 mm (0.1758 ~ 0.1764 in)
4.000 ~ 4.012 mm (0.1575 ~ 0.1580 in)
4.500 ~ 4.512 mm (0.1772 ~ 0.1776 in)
0.010 ~ 0.037 mm (0.0004 ~ 0.0015 in)
0.020 ~ 0.047 mm (0.0008 ~ 0.0019 in)
2 - 5
SPEC
Standard
C
Seat Width Margin Thickness
Limit
----
----
----
----
D
----
----
----
----
----
----
----
----
3.945 mm
(0.1553 in)
4.43 mm
(0.1744 in)
4.05 mm
(0.1594 in)
4.55 mm
(0.1791 in)
0.08 mm
(0.0031 in)
0.10 mm
(0.0039 in)