Engine Specifications - Yamaha XT250X Service Manual

EAS20290

ENGINE SPECIFICATIONS

Engine
Engine type
Displacement
Cylinder arrangement
Bore × stroke
Compression ratio
Starting system
Fuel
Recommended fuel
Fuel tank capacity
Fuel reserve amount
Engine oil
Lubrication system
Type
Recommended engine oil grade
Engine oil quantity
Total amount
Without oil filter element replacement
With oil filter element replacement
Oil filter type
Oil pump
Oil pump type
Inner-rotor-to-outer-rotor-tip clearance
Limit
Outer-rotor-to-oil-pump-housing clearance
Limit
Oil-pump-housing-to-inner-and-outer-rotor clearance
Limit
Pressure check location
Spark plug (s)
Manufacturer/model
Spark plug gap
Cylinder head
Volume
Warpage limit
Camshaft
Drive system
Camshaft journal diameter
ENGINE SPECIFICATIONS
Air cooled 4-stroke, SOHC
3
249.0 cm
Forward-inclined single cylinder
74.0 × 58.0 mm (2.91 × 2.28 in)
9.50 :1
Electric starter
Unleaded gasoline only
9.1 L (2.40 US gal) (2.00 Imp.gal) (CAL)
9.8 L (2.59 US gal) (2.16 Imp.gal) (U49)
1.9 L (0.50 US gal) (0.42 Imp.gal)
Wet sump
YAMALUBE 4, SAE10W30 or SAE20W40
API service SG type or higher, JASO standard
MA
1.40 L (1.48 US qt) (1.23 Imp.qt)
1.20 L (1.27 US qt) (1.06 Imp.qt)
1.30 L (1.37 US qt) (1.14 Imp.qt)
Paper
Trochoid
0.150 mm (0.0059 in)
0.200 mm (0.0079 in)
0.100–0.151 mm (0.0039–0.0059 in)
0.221 mm (0.0087 in)
0.04–0.09 mm (0.0016–0.0035 in)
0.16 mm (0.0063 in)
HEAD CYLINDER
NGK/DR7EA
0.6–0.7 mm (0.024–0.028 in)
3
20.50–21.50 cm
0.03 mm (0.0012 in)
Chain drive (right)
25.021–25.039 mm (0.9851–0.9858 in)
2-2
(1.25–1.31 cu.in)