10-1
SPECIFICATIONS
Model YFM125
Dimensions:
Overall length 1,710 mm
Overall width 990 mm
Overall height 980 mm
Seat height 705 mm
Wheelbase 1,080 mm
Ground clearance 145 mm
Minimum turning radius 2,900 mm
Basic weight:
With oil and full fuel tank 152 kg
Noise and vibration level:
Noise level (77/311/EEC) (for Europe) 75.1db (A)
Vibration on seat (EN1032, ISO5008) (for Europe)Will not exceed 0.6 m/s
2
Vibration on handlebar (EN1032, ISO5008) (for Europe)Will not exceed 2.5 m/s2
Engine:
Engine type Air-cooled, 4-stroke, SOHC
Cylinder arrangement Singlel cylinder, Forward-inclined
Displacement 124 cm
3
Bore × stroke 49 ×66 mm
Compression ratio 9.0 : 1
Starting system Electric starter
Lubrication system Wet sump
EBU00428
1C5-9-60-09~11 15/12/03 7:59 PM Page 12
10-3
Model YFM125
Air filter:
for engine Wet type element
for V-belt compartment Dry type element
Fuel:
Type Unleaded gasoline only
For Europe:Regular unleaded gasoline only with a
research octane number of 91 or higher
Fuel tank capacity 7.6 L
Fuel reserve amount 1.3 L
Carburetor:
Type/manufacturer VM18SH/MIKUNI
Spark plug:
Type/manufacturer CR7HS/NGK
Gap 0.6–0.7 mm
Clutch type: Dry, centrifugal automatic
Transmission:
Primary reduction system Helical gear/Spur gear
Primary reduction ratio 43/14 ×40/17 (7.226)
Secondary reduction system Chain drive
Secondary reduction ratio 32/12 (2.666)
Transmission type V-belt automatic
Operation Centrifugal automatic type
Reverse 49/14 ×49/15 ×40/17 (26.902)
1C5-9-60-09~11 15/12/03 7:59 PM Page 14