Yamaha YFM70RY Service Manual page 30

From low to full level
Radiator cap opening pressure
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
Impeller shaft tilt limit
Spark plug
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
0.15 L (0.16 US qt, 0.13 Imp.qt)
93.3–122.7 kPa (0.9–1.2 kgf/cm², 13.3–17.4 psi)
5VK1/NIPPON THERMOSTAT
69–73 °C (156–163 °F)
85 °C (185 °F)
8.0 mm (0.31 in)
197.0 mm (7.76 in)
300.0 mm (11.81 in)
22.0 mm (0.87 in)
Single suction centrifugal pump
27/28 (0.964)
0.15 mm (0.006 in)
NGK/CR8E
0.7–0.8 mm (0.028–0.031 in)
59.1–60.5 cm³ (3.61–3.69 cu.in)
0.03 mm (0.0012 in)
Chain drive (left)
43.300–43.400 mm (1.7047–1.7087 in)
43.200 mm (1.7008 in)
37.026–37.126 mm (1.4577–1.4617 in)
36.926 mm (1.4538 in)
43.129–43.229 mm (1.6980–1.7019 in)
43.029 mm (1.6941 in)
37.057–37.157 mm (1.4589–1.4629 in)
36.957 mm (1.4550 in)
0.030 mm (0.0012 in)
2-3