Operation Manual

ENGINE SPECIFICATIONS
2-2
EAS20290
ENGINE SPECIFICATIONS
Engine
Engine type Liquid cooled 4-stroke, DOHC
Displacement 530 cm³
Cylinder arrangement Inline 2-cylinder
Bore × stroke 68.0 × 73.0 mm (2.68 × 2.87 in)
Compression ratio 10.90 : 1
Standard compression pressure (at sea level) 1950 kPa/470 r/min (19.5 kgf/cm²/470 r/min,
282.8 psi/470 r/min)
Minimum–maximum 1700–2180 kPa/470 r/min (17.0–21.8 kgf/cm²/
470 r/min, 246.1–316.8 psi/470 r/min)
Starting system Electric starter
Fuel
Recommended fuel Premium unleaded gasoline only
Fuel tank capacity 15.0 L (3.96 US gal, 3.30 Imp.gal)
Fuel reserve amount 3.0 L (0.79 US gal, 0.66 Imp.gal)
Engine oil
Lubrication system Dry sump
Recommended brand YAMALUBE
Type SAE 10W-30 or SAE 10W-40
Recommended engine oil grade API service SG type or higher, JASO standard
MA
Engine oil quantity
Total amount 3.50 L (3.70 US qt, 3.08 Imp.qt)
Without oil filter cartridge replacement 2.70 L (2.85 US qt, 2.38 Imp.qt)
With oil filter cartridge replacement 2.90 L (3.07 US qt, 2.55 Imp.qt)
Oil pressure (hot) 120.0 kPa/1200 r/min (1.20 kgf/cm²/1200 r/
min, 17.4 psi/1200 r/min)
Oil filter
Oil filter type Cartridge
Oil pump
Oil pump type Trochoid
Oil pressure 120 kPa/1200 r/min (1.20 kgf/cm²/1200 r/min,
17.4 psi/1200 r/min) at 70.0 °C (158.0 °F)
Bypass valve opening pressure 78.0–118.0 kPa (0.78–1.18 kgf/cm², 11.3–17.1
psi)
Relief valve operating pressure 450.0–550.0 kPa (4.50–5.50 kgf/cm², 65.3–
79.8 psi)
Pressure check location MAIN GALLERY
Cooling system
Radiator capacity (including all routes) 1.50 L (1.59 US qt, 1.32 Imp.qt)
Coolant reservoir capacity (up to the maximum
level mark) 0.27 L (0.29 US qt, 0.24 Imp.qt)
Radiator cap opening pressure 107.9–137.3 kPa (1.08–1.37 kgf/cm², 15.7–
19.9 psi)
Thermostat
Valve opening temperature 69.0–73.0 °C (156.20–163.40 °F)
Valve full open temperature 85.0 °C (185.00 °F)
Valve lift (full open) 8.0 mm (0.31 in)