Table of Contents
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EAS29120
ENGINE SPECIFICATIONS
Engine
Engine type
Displacement
Cylinder arrangement
Bore × stroke
Compression ratio
Standard compression pressure (at sea level)
Minimum-maximum
Starting system
Fuel
Recommended fuel
Fuel tank capacity
Fuel reserve amount
Engine oil
Lubrication system
Recommended brand
Type
Recommended engine oil grade
Engine oil quantity
Total amount
Without oil filter element replacement
With oil filter element replacement
Oil pressure (hot)
Oil filter
Oil filter type
Oil pump
Oil pump type
Inner-rotor-to-outer-rotor-tip clearance
Limit
Outer-rotor-to-oil-pump-housing clearance
Limit
Bypass valve opening pressure
Pressure check location
Cooling system
Radiator capacity (including all routes)
Coolant reservoir capacity (up to the maximum level
mark)
From low to full level
Radiator cap opening pressure
Thermostat
Valve opening temperature
ENGINE SPECIFICATIONS
Liquid cooled 4-stroke, SOHC
686.0 cm³
Single cylinder
102.0 × 84.0 mm (4.02 × 3.31 in)
10.0 : 1
570 kPa (5.7 kgf/cm², 81.1 psi)
500–640 kPa (5.0–6.4 kgf/cm², 71.1–91.0 psi)
Electric starter
Regular unleaded gasoline only
11.0 L (2.91 US gal, 2.42 Imp.gal)
2.9 L (0.77 US gal, 0.64 Imp.gal)
Dry sump
YAMALUBE
SAE 5W-30, 10W-30, 10W-40, 15W-40, 20W-
40 or 20W-50
API service SG type or higher, JASO standard
MA
2.30 L (2.43 US qt, 2.02 Imp.qt)
1.75 L (1.85 US qt, 1.54 Imp.qt)
1.85 L (1.96 US qt, 1.63 Imp.qt)
40.0 kPa/1600 r/min (0.40 kgf/cm²/1600 r/min,
5.7 psi/1600 r/min)
Paper
Trochoid
0.12 mm (0.0047 in)
0.20 mm (0.0079 in)
0.090–0.150 mm (0.0035–0.0059 in)
0.22 mm (0.0087 in)
40.0–80.0 kPa (0.40–0.80 kgf/cm², 5.7–11.4 psi)
Element cover
1.68 L (1.78 US qt, 1.48 Imp.qt)
0.25 L (0.26 US qt, 0.22 Imp.qt)
0.15 L (0.16 US qt, 0.13 Imp.qt)
107.9–137.3 kPa (1.1–1.4 kgf/cm², 15.6–19.9
psi)
69–73°C (156.2–163.4°F)
2-2
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Troubleshooting
