Yamaha FJR1300A(D) - Page 74

ENGINE SPECIFICATIONS
2-3
Bypass valve opening pressure 78.4–117.6 kPa (0.78–1.18 kgf/cm², 11.4–17.1
psi)
Relief valve operating pressure 480.0–560.0 kPa (4.80–5.60 kgf/cm², 69.6–81.2
psi)
Cooling system
Radiator capacity (including all routes) 2.60 L (2.75 US qt, 2.29 Imp.qt)
Radiator capacity 0.65 L (0.69 US qt, 0.57 Imp.qt)
Coolant reservoir capacity (up to the maximum level
mark) 0.25 L (0.26 US qt, 0.22 Imp.qt)
Radiator cap opening pressure 93.3–122.7 kPa (0.93–1.23 kgf/cm², 13.5–17.8
psi)
Valve relief pressure 4.9 kPa (0.05 kgf/cm², 0.7 psi)
Thermostat
Valve opening temperature 69.0–73.0 °C (156.20–163.40 °F)
Valve full open temperature 85.0 °C (185.0 °F)
Valve lift (full open) 8.0 mm (0.31 in)
Radiator core
Width 360.0 mm (14.17 in)
Height 273.8 mm (10.78 in)
Depth 22.0 mm (0.87 in)
Water pump
Water pump type Single suction centrifugal pump
Reduction ratio 75/48 × 25/28 (1.395)
Impeller shaft tilt limit 0.15 mm (0.006 in)
Spark plug(s)
Manufacturer/model NGK/CPR8EA-9
Spark plug gap 0.8–0.9 mm (0.031–0.035 in)
Cylinder head
Combustion chamber volume 23.03 cm³ (1.41 cu.in)
Warpage limit 0.10 mm (0.0039 in)
Camshaft
Drive system Chain drive (right)
Camshaft cap inside diameter 24.500–24.521 mm (0.9646–0.9654 in)
Camshaft journal diameter 24.459–24.472 mm (0.9630–0.9635 in)
Camshaft-journal-to-camshaft-cap clearance 0.028–0.062 mm (0.0011–0.0024 in)
Camshaft lobe dimensions
Intake A 33.050–33.150 mm (1.3012–1.3051 in)
Limit 32.050 mm (1.2618 in)
Intake B 24.997–25.097 mm (0.9841–0.9881 in)
Limit 23.997 mm (0.9448 in)
Exhaust A 33.050–33.150 mm (1.3012–1.3051 in)
Limit 32.950 mm (1.2972 in)
Exhaust B 24.997–25.097 mm (0.9841–0.9881 in)