Yamaha YZF-R125 Service Manual page 26

YamahaR125.COM
Thermostat
Model/manufacturer
Valve opening temperature
Valve full open temperature
Valve lift (full open)
Radiator core
Width
Height
Depth
Water pump
Water pump type
Reduction ratio
Spark plug (s)
Manufacturer/model
Spark plug gap
Cylinder head
Volume
Warpage limit
Camshaft
Drive system
Camshaft lobe dimensions
Intake A
Limit
Intake B
Limit
Exhaust A
Limit
Exhaust B
Limit
Camshaft runout limit
A
B
ENGINE SPECIFICATIONS
5YP/NIPPON THERMOSTAT
80.5–83.5 °C (176.9–182.3 °F)
95.0 °C (203.0 °F)
3.0 mm (0.12 in)
198.0 mm (7.80 in)
128.0 mm (5.04 in)
24.0 mm (0.94 in)
Single suction centrifugal pump
19/38 (0.500)
NGK/CR8E
0.7–0.8 mm (0.028–0.031 in)
9.90–10.50 cm³ (0.60–0.64 cu.in)
0.03 mm (0.0012 in)
Chain drive (left)
30.225–30.325 mm (1.1900–1.1939 in)
30.125 mm (1.1860 in)
25.127–25.227 mm (0.9893–0.9932 in)
25.027 mm (0.9853 in)
30.232–30.332 mm (1.1902–1.1942 in)
30.132 mm (1.1863 in)
25.065–25.165 mm (0.9868–0.9907 in)
24.965 mm (0.9829 in)
0.030 mm (0.0012 in)
2-3