2-5
ENGINE SPECIFICATIONS
SPEC
Head Diameter
Face Width
Seat Width
Margin Thickness
Item
Standard
Limit
Timing chain
Model / number of links
Tensioning system
RH2015 / 130
Automatic
SSS
SSS
Valves, valve seats, valve guides
Valve clearance (cold)
Intake
Exhaust
Valve dimensions
0.11
X
0.20 mm
0.21
X
0.27 mm
SSS
SSS
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
Valve stem runout
Valve seat width
Intake
Exhaust
22.9
X
23.1 mm
24.4
X
24.6 mm
1.76
X
2.90 mm
1.76
X
2.90 mm
0.9
X
1.1 mm
0.9
X
1.1 mm
0.5
X
0.9 mm
0.5
X
0.9 mm
3.975
X
3.990 mm
4.465
X
4.480 mm
4.000
X
4.012 mm
4.500
X
4.512 mm
0.010
X
0.037 mm
0.020
X
0.047 mm
SSS
0.9
X
1.1 mm
0.9
X
1.1 mm
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS
3.945 mm
4.43 mm
4.05 mm
4.55 mm
0.08 mm
0.10 mm
0.01 mm
SSS
SSS
6
