ENGINE SPECIFICATIONS
2-2
EAS20290
ENGINE SPECIFICATIONS
Engine
Engine type Liquid cooled 4-stroke, DOHC
Displacement 998.0 cm³
Cylinder arrangement Inline 4-cylinder
Bore × stroke 78.0 × 52.2 mm (3.07 × 2.06 in)
Compression ratio 12.70 : 1
Standard compression pressure (at sea level) 1480 kPa/350 r/min (14.8 kgf/cm²/350 r/min,
210.5 psi/350 r/min)
Minimum–Maximum 1290–1660 kPa/350 r/min (12.9–16.6 kgf/cm²/
350 r/min, 183.5–236.1 psi/350 r/min)
Starting system Electric starter
Fuel
Recommended fuel Premium unleaded gasoline only
Fuel tank capacity 18.0 L (4.76 US gal, 3.96 Imp.gal)
Fuel reserve amount 3.1 L (0.82 US gal, 0.68 Imp.gal)
Engine oil
Recommended brand YAMALUBE
Type SAE 10W-40, 10W-50, 15W-40, 20W-40 or
20W-50
Recommended engine oil grade API service SG type or higher, JASO standard
MA
Lubrication system Wet sump
Engine oil quantity
Total amount 4.58 L (4.84 US qt, 4.03 Imp.qt)
Without oil filter cartridge replacement 3.73 L (3.94 US qt, 3.28 Imp.qt)
With oil filter cartridge replacement 3.93 L (4.15 US qt, 3.46 Imp.qt)
Oil filter
Oil filter type Cartridge
Oil pump
Oil pump type Trochoid
Inner-rotor-to-outer-rotor-tip clearance Less than 0.12 mm (0.0047 in)
Limit 0.20 mm (0.0079 in)
Outer-rotor-to-oil-pump-housing clearance 0.090–0.190 mm (0.0035–0.0075 in)
Limit 0.260 mm (0.0102 in)
Oil-pump-housing-to-inner-and-outer-rotor
clearance 0.06–0.13 mm (0.0024–0.0051 in)
Limit 0.200 mm (0.0079 in)
Oil pressure 320 kPa/5000 r/min (3.20 kgf/cm²/5000 r/min,
45.5 psi/5000 r/min) at 75–85 °C (167–185 °F)
Bypass valve opening pressure 80.0–120.0 kPa (0.80–1.20 kgf/cm², 11.6–17.4
psi)
Relief valve operating pressure 700.0–820.0 kPa (7.00–8.20 kgf/cm², 101.5–
118.9 psi)
Cooling system
Radiator capacity (including all routes) 2.73 L (2.89 US qt, 2.40 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 107.9–137.3 kPa (1.08–1.37 kgf/cm², 15.6–
19.9 psi)
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