Yamaha MBK X-MAX 300 2017 Service Manual page 26

Radiator cap valve opening pressure
Thermostat
Valve opening temperature
Valve full open temperature
Valve lift (full open)
Water pump
Water pump type
Impeller shaft tilt limit
Spark plug(s)
Manufacturer/model
Spark plug gap
Cylinder head
Warpage limit
Camshaft
Camshaft lobe dimensions
Lobe height (Intake)
Limit
Lobe height (Exhaust)
Limit
Camshaft runout limit
Rocker arm/rocker arm shaft
Rocker arm inside diameter
Limit
Rocker arm shaft outside diameter
Limit
Rocker-arm-to-rocker-arm-shaft clearance
Limit
Valve, valve seat, valve guide
Valve clearance (cold)
Intake
Exhaust
Valve dimensions
Valve seat contact width (intake)
Limit
Valve seat contact width (exhaust)
Limit
Valve stem diameter (intake)
Limit
Valve stem diameter (exhaust)
Limit
Valve guide inside diameter (intake)
Valve guide inside diameter (exhaust)
Valve-stem-to-valve-guide clearance (intake)
Limit
ENGINE SPECIFICATIONS
108.0–137.4 kPa (1.08–1.37 kgf/cm², 15.7–19.9
psi)
74.0–78.0 °C (165.20–172.40 °F)
90.0 °C (194.00 °F)
7.0 mm (0.28 in)
Single suction centrifugal pump
0.15 mm (0.006 in)
NGK/LMAR8A-9
0.8–0.9 mm (0.031–0.035 in)
0.05 mm (0.0020 in)
40.017–40.117 mm (1.5755–1.5794 in)
39.917 mm (1.5715 in)
39.954–40.054 mm (1.5730–1.5769 in)
39.854 mm (1.5691 in)
0.030 mm (0.0012 in)
11.985–12.000 mm (0.4719–0.4724 in)
12.015 mm (0.4730 in)
11.966–11.976 mm (0.4711–0.4715 in)
11.935 mm (0.4699 in)
0.009–0.034 mm (0.0004–0.0013 in)
0.080 mm (0.0032 in)
0.06–0.12 mm (0.0024–0.0047 in)
0.20–0.26 mm (0.0079–0.0102 in)
0.90–1.20 mm (0.0354–0.0472 in)
1.7 mm (0.07 in)
0.90–1.20 mm (0.0354–0.0472 in)
1.7 mm (0.07 in)
4.975–4.990 mm (0.1959–0.1965 in)
4.945 mm (0.1947 in)
4.960–4.975 mm (0.1953–0.1959 in)
4.930 mm (0.1941 in)
5.000–5.012 mm (0.1969–0.1973 in)
5.000–5.012 mm (0.1969–0.1973 in)
0.010–0.037 mm (0.0004–0.0015 in)
0.080 mm (0.0032 in)
2-3