Engine Specifications - Yamaha YBR125ED 2005 Service Manual

ENGINE SPECIFICATIONS

Item
Engine
Engine type
Displacement
Cylinder arrangement
Bore × stroke
Compression ratio
Standard compression pressure
(at sea level)
Starting system
Fuel
Recommended fuel
Fuel tank capacity
Fuel reserve amount
Engine oil
Type
Recommended engine oil grade
Lubrication system
Engine oil quantity
Total amount
Periodic oil change
Oil filter type
Oil pump
Oil pump type
Inner-rotor-to-outer-rotor-tip-clear-
ance
Outer-rotor-to-oil-pump-housing
clearance
Oil pump-housing-to-inner-rotor-and-
outer-rotor clearance
Spark plug
Model/manufacturer
Spark plug gap
Cylinder head
Volume
Maximum warpage
ENGINE SPECIFICATIONS
Standard
Air-cooled 4-stroke, SOHC
3
123.7 cm (7.55 cu.in)
Forward-inclined single cylinder
54.0 × 54.0 mm (2.13 × 2.13 in)
10.0 : 1
1,200 kPa (12.0 kgf/cm
Electric starter and kickstarter
Regular unleaded gasoline only
12.0 L (2.64 Imp gal, 3.17 US gal)
3.0 L (0.66 Imp gal, 0.79 US gal)
SAE10W30, SAE10W40, SAE15W40,
SAE20W40 or SAE20W50
API service SE, SF, SG type or higher
Wet sump
1.20 L (1.06 Imp qt, 1.27 US qt)
1.00 L (0.88 Imp qt, 1.06 US qt)
Wire mesh
Trochoid
0.07 mm (0.0028 in)
0.13 ~ 0.19 mm (0.0051 ~ 0.0075 in)
0.06 ~ 0.10 mm (0.0024 ~ 0.0039 in)
CR6HSA/NGK
0.6 ~ 0.7 mm (0.024 ~ 0.028 in)
3
15.20 ~ 15.60 cm
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2 - 2
SPEC
2
, 170.7 psi)
(0.93 ~ 0.95 cu.in)
Limit
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0.15 mm
(0.0059 in)
0.26 mm
(0.010 in)
0.17 mm
(0.0067 in)
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0.05 mm
(0.0020 in)