Yamaha · Model— RX50 Special
RX50 Special
1 generation1980 - 1982Cruiser
About generation 4U5
1980-1982
- Years
- 1980 - 1982
- Frame codes
- 4U5
- Class
- Cruiser
Specifications
10 groupsGeneral
3- Market
- Japanese domestic (JDM)
- Model code
- 4U5
- Manufacturer
- YAMAHA
Engine
15- Bore
- 40 mm
- Cooling
- Air-cooled
- Power
- 7 hp
- Fuel type
- Regular (low-octane)
- Power RPM
- 9,000 rpm
- Stroke
- 39.7 mm
- Cylinders
- 1
- Torque RPM
- 8,000 rpm
- Fuel system
- Carburetor
- Engine type
- 2-stroke
- Torque (kgf·m)
- 0.57 kgf·m
- Lubrication
- Separate oil injection (2T)
- Cylinder layout
- Single cylinder
- Displacement
- 49 cc
- Compression ratio
- 7.4
Transmission
10- Type
- Return shift
- Gears
- 5
- Clutch
- Wet multi-plate
- Chain size
- 420
- Shift type
- Foot shift
- Chain links
- 110
- Final drive
- Chain
- Gear ratios
- 3.25 / 2 / 1.428 / 1.125 / 0.961
- Primary reduction
- 3.578
- Secondary reduction
- 3.916
Chassis
15- Frame
- Semi-double cradle
- Rear tire
- 3.50-16
- Front tire
- 2.50-19
- Rear brake
- Drum (leading-trailing)
- Front brake
- Hydraulic disc
- Rear rim width
- 1.85
- Front fork type
- Conventional
- Front rim width
- 1.6
- Rear shocks
- 2
- Rear suspension
- Swingarm
- Front suspension
- Telescopic fork
- Rear ply rating
- 4PR
- Front ply rating
- 4PR
- Rear tire construction
- Bias
- Front tire construction
- Bias
Dimensions
7- Trail
- 108 mm
- Width
- 805 mm
- Height
- 1,120 mm
- Length
- 1,880 mm
- Rake
- 29 °
- Wheelbase
- 1,230 mm
- Seat height
- 725 mm
Weight
2- Dry weight
- 74 kg
- Seats
- 1
Capacities
2- Fuel tank
- 8.5 l
- 2T oil tank
- 1.2 l
Electrical
8- Battery
- 6N4B-2A
- Starter
- Kick starter
- Ignition
- CDI
- Spark plug
- B8HS
- Spark plugs
- 1
- Battery capacity
- 6V 4Ah
- Taillight rating
- 17W/5.3W
- Headlight rating (high)
- 25W/25W
Instruments
2- Tachometer
- Yes
- Speedometer
- Analog
Performance
2- Rear tire pressure
- 1.5 kgf/cm²
- Front tire pressure
- 1.5 kgf/cm²
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