ENGINE SPECIFICATIONS
EAS20290
ENGINE SPECIFICATIONS
Engine
Engine type Liquid cooled 4-stroke, SOHC
Displacement 124.7 cm³
Cylinder arrangement Forward-inclined single cylinder
Bore × stroke 52.0 × 58.6 mm (2.05 × 2.31 in)
Compression ratio 11.20 :1
Standard compression pressure (at sea level) 550 kPa/600 r/min (5.5 kgf/cm²/600 r/min, 78.2
psi/600 r/min)
Minimum–maximum 480–620 kPa (4.8–6.2 kgf/cm², 68.3–88.2 psi)
Starting system Electric starter
Fuel
Recommended fuel Premium unleaded gasoline only
Fuel tank capacity 8.5 L (2.25 US gal, 1.87 Imp.gal)
Fuel reserve amount 1.6 L (0.42 US gal, 0.35 Imp.gal)
Engine oil
Lubrication system Wet sump
Type SAE 10W-30, SAE 10W-40, SAE 15W-40, SAE
20W-40 or SAE 20W-50
Recommended engine oil grade API service SG type or higher, JASO standard
MA
Engine oil quantity
Total amount 1.15 L (1.22 US qt, 1.01 Imp.qt)
Without oil filter element replacement 0.95 L (1.00 US qt, 0.84 Imp.qt)
With oil filter element replacement 1.00 L (1.06 US qt, 0.88 Imp.qt)
Oil filter
Oil filter type Paper
Oil pump
Oil pump type Trochoid
Inner-rotor-to-outer-rotor-tip clearance Less than 0.150 mm (0.0059 in)
Limit 0.23 mm (0.0091 in)
Outer-rotor-to-oil-pump-housing clearance 0.130–0.180 mm (0.0051–0.0071 in)
Limit 0.25 mm (0.0098 in)
Oil-pump-housing-to-inner-and-outer-rotor
clearance 0.06–0.11 mm (0.0024–0.0043 in)
Limit 0.18 mm (0.0071 in)
Relief valve operating pressure 39.2–78.4 kPa (0.39–0.78 kgf/cm², 5.7–11.4 psi)
Pressure check location Check bolt on cylinder head body
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