8-1 SPECIFICATIONS
MODEL YBR 125K
Dimension:
Overall length 1,980 mm ( 78 in)
Overall width 745 mm ( 29 in)
Overall height 1,050 mm ( 41 in)
Seat height 780 mm ( 31 in)
Wheel base 1,290 mm ( 51 in)
Minimum ground clearance 175 mm ( 7 in)
Basic weight: 105 Kg ( 231.5 lb)
With oil and without fuel: 116 Kg ( 255.7 lb)
Minimum turning radius: 1,750 mm ( 70 in)
Engine:
Type Air cooled, 4-stroke gasoline, SOHC
Cylinder arrangement Single cylinder, Forward inclined
Displacement 123.7 cm
3
Bore x Stroke 54 x 54 mm ( 2.13 x 2.13 in)
Compression rate 10.0 : 1
Starting system Kick starter
Lubrication system Wet sump
8-1 SPECIFICATIONS
MODEL YBR 125K
Dimension:
Overall length 1,980 mm ( 78 in)
Overall width 745 mm ( 29 in)
Overall height 1,050 mm ( 41 in)
Seat height 780 mm ( 31 in)
Wheel base 1,290 mm ( 51 in)
Minimum ground clearance 175 mm ( 7 in)
Basic weight: 105 Kg ( 231.5 lb)
With oil and without fuel: 116 Kg ( 255.7 lb)
Minimum turning radius: 1,750 mm ( 70 in)
Engine:
Type Air cooled, 4-stroke gasoline, SOHC
Cylinder arrangement Single cylinder, Forward inclined
Displacement 123.7 cm
3
Bore x Stroke 54 x 54 mm ( 2.13 x 2.13 in)
Compression rate 10.0 : 1
Starting system Kick starter
Lubrication system Wet sump
MODEL YBR 125K
Engine oil:
Type Yamalube 4 or SAE 20W50 type SH
Capacity:
Periodic oil change 1.0 L ( 0.220 Imp galt, 0.264 US gal)
Total amount 1.2 L ( 0.264 Imp gal, 0.317 US gal)
Air filter: Wet type element
Fuel:
Type Regular unleaded gasoline
Tank capacity 13 L ( 2.860 Imp gal, 3.434 US gal)
Reserve amount 1.7 L ( 0.374 Imp gal, 0.450 US gal)
Carburetor:
Type/manufacturer VM 20 / MIKUNI
Spark plug:
Type/manufacturer CR7HSA / NGK or U22FSR-U / DENSO
Gap 0.7 mm (0.028 in)
Clutch type: Wet, multi-disc
8-2
MODEL YBR 125K
Engine oil:
Type Yamalube 4 or SAE 20W50 type SH
Capacity:
Periodic oil change 1.0 L ( 0.220 Imp galt, 0.264 US gal)
Total amount 1.2 L ( 0.264 Imp gal, 0.317 US gal)
Air filter: Wet type element
Fuel:
Type Regular unleaded gasoline
Tank capacity 13 L ( 2.860 Imp gal, 3.434 US gal)
Reserve amount 1.7 L ( 0.374 Imp gal, 0.450 US gal)
Carburetor:
Type/manufacturer VM 20 / MIKUNI
Spark plug:
Type/manufacturer CR7HSA / NGK or U22FSR-U / DENSO
Gap 0.7 mm (0.028 in)
Clutch type: Wet, multi-disc
8-2
