Yamaha R1 Series 2015 Service Manual page 78

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Coolant reservoir (up to the maximum level
mark)
Radiator cap opening pressure
Thermostat
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(s)
Manufacturer/model
Spark plug gap
Cylinder head
Combustion chamber volume
Warpage limit
Camshaft
Drive system
Camshaft cap inside diameter
Camshaft journal diameter
Camshaft-journal-to-camshaft-cap clearance
Camshaft lobe dimensions
Lobe height (Intake)
Limit
Base circle diameter (Intake)
Limit
Lobe height (Exhaust)
Limit
Base circle diameter (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 head diameter (intake)
ENGINE SPECIFICATIONS
0.25 L (0.26 US qt, 0.22 Imp.qt)
107.9–137.3 kPa (1.08–1.37 kgf/cm², 15.6–19.9
psi)
71.0 C (159.80 F)
85.0 C (185.00 F)
8.0 mm (0.31 in)
383.0 mm (15.08 in)
235.2 mm (9.26 in)
22.0 mm (0.87 in)
Single suction centrifugal pump
67/41
33/28 (1.926)
0.15 mm (0.006 in)
NGK/LMAR9E-J
0.6–0.7 mm (0.024–0.028 in)
14.90–15.30 cm³ (0.91–0.93 cu.in)
0.10 mm (0.0039 in)
Chain drive (right)
25.500–25.521 mm (1.0039–1.0048 in)
25.459–25.472 mm (1.0023–1.0028 in)
0.028–0.062 mm (0.0011–0.0024 in)
35.210–35.310 mm (1.3862–1.3902 in)
35.160 mm (1.3842 in)
28.150–28.250 mm (1.1083–1.1122 in)
28.100 mm (1.1063 in)
34.220–35.220 mm (1.3472–1.3866 in)
34.170 mm (1.3453 in)
28.090–28.190 mm (1.1059–1.1098 in)
28.040 mm (1.1039 in)
0.050 mm (0.0020 in)
7.987–8.002 mm (0.3144–0.3150 in)
8.017 mm (0.3156 in)
7.967–7.979 mm (0.3137–0.3141 in)
7.936 mm (0.3124 in)
0.008–0.035 mm (0.0003–0.0014 in)
0.080 mm (0.0032 in)
0.09–0.17 mm (0.0035–0.0067 in)
0.18–0.23 mm (0.0071–0.0091 in)
32.90–33.10 mm (1.2953–1.3031 in)
2-3

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