Yamaha · Model— YB-1
YB-1
2 generations1996 - 1999Naked
About generation A-F5B
1997-1999
- Years
- 1997 - 1999
- Frame codes
- A-F5B
- Class
- Naked
Specifications
10 groupsGeneral
3- Market
- Japanese domestic (JDM)
- Model code
- A-F5B
- Manufacturer
- YAMAHA
Engine
18- Bore
- 40 mm
- Cooling
- Air-cooled
- Power
- 4.6 hp
- Fuel type
- Regular (low-octane)
- Power RPM
- 6,000 rpm
- Stroke
- 39.7 mm
- Cylinders
- 1
- Torque RPM
- 5,500 rpm
- Engine code
- F5B
- Fuel system
- Carburetor
- Engine type
- 2-stroke
- Torque (kgf·m)
- 0.56 kgf·m
- Lubrication
- Separate oil injection (2T)
- Cylinder layout
- Single cylinder
- Displacement
- 49 cc
- Fuel system model
- VM16SC
- 2-stroke intake
- Rotary disc valve
- Compression ratio
- 7.1
Transmission
12- Type
- Rotary shift
- Gears
- 4
- Clutch
- Wet multi-plate
- Chain size
- 420
- Shift type
- Foot shift
- Chain links
- 96
- Final drive
- Chain
- Gear ratios
- 3.077 / 1.889 / 1.304 / 1.038
- Rear sprocket
- 39
- Front sprocket
- 11
- Primary reduction
- 3.894
- Secondary reduction
- 3.545
Chassis
17- Frame
- Backbone
- Rear tire
- 2.50-17
- Front tire
- 2.25-17
- Rear brake
- Drum (leading-trailing)
- Front brake
- Drum (leading-trailing)
- Rear rim width
- 1.4
- Rear tire type
- Tube type
- Front rim width
- 1.2
- Front tire type
- Tube type
- Rear suspension
- Swingarm
- Front suspension
- Telescopic fork
- Rear load index
- 38
- Front load index
- 33
- Rear speed rating
- L
- Front speed rating
- L
- Rear tire construction
- Bias
- Front tire construction
- Bias
Dimensions
7- Trail
- 75 mm
- Width
- 665 mm
- Height
- 960 mm
- Length
- 1,760 mm
- Wheelbase
- 1,165 mm
- Seat height
- 745 mm
- Ground clearance
- 120 mm
Weight
3- Dry weight
- 75 kg
- Wet weight
- 84 kg
- Seats
- 1
Capacities
2- Fuel tank
- 7.2 l
- 2T oil tank
- 1.4 l
Electrical
7- Battery
- GT4B-5
- Starter
- Kick starter
- Ignition
- CDI
- Spark plug
- BR7HS
- Spark plugs
- 1
- Taillight rating
- 21W/5W
- Headlight rating (high)
- 30W/30W
Instruments
2- Fuel gauge
- Yes
- Speedometer
- Analog
Performance
3- Range
- 576 km
- Measure standard
- MLIT (30 km/h)
- Fuel economy
- 1.3 L/100km