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MOTOVULKAN
Yamaha HT90 - generations and specs | MOTOVULKAN
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HT90
Yamaha · Model
— HT90
HT90
1 generation
1971 - 1972
·
Naked
Yamaha HT90 1971-1972
About generation HT2
1971-1972
Years
1971 - 1972
Frame codes
HT2
Class
Naked
Specifications
9 groups
General
3
Market
Japanese domestic (JDM)
Model code
HT2
Manufacturer
YAMAHA
Engine
16
Bore
50 mm
Cooling
Air-cooled
Power
10 hp
Power RPM
8,000 rpm
Stroke
45 mm
Cylinders
1
Torque RPM
7,000 rpm
Engine code
HT2
Fuel system
Carburetor
Engine type
2-stroke
Torque (kgf·m)
0.95 kgf·m
Lubrication
Separate oil injection (2T)
Cylinder layout
Single cylinder
Displacement
89 cc
Fuel system model
VM20SCH
Compression ratio
6.9
Transmission
8
Type
Return shift
Gears
5
Clutch
Wet multi-plate
Shift type
Foot shift
Final drive
Chain
Gear ratios
2.833 / 1.875 / 1.368 / 1.09 / 0.956
Primary reduction
3.894
Secondary reduction
3
Chassis
15
Frame
Double cradle
Rear tire
3.00-18
Front tire
2.75-19
Rear brake
Drum (leading-trailing)
Front brake
Drum (leading-trailing)
Rear rim width
1.4
Rear tire type
Tube type
Front rim width
1.4
Front tire type
Tube type
Rear suspension
Swingarm
Front suspension
Telescopic fork
Rear ply rating
4PR
Front ply rating
4PR
Rear tire construction
Bias
Front tire construction
Bias
Dimensions
8
Trail
135 mm
Width
865 mm
Height
1,080 mm
Length
1,930 mm
Rake
59 °
Wheelbase
1,260 mm
Ground clearance
210 mm
Turning radius
2.1 m
Weight
3
Dry weight
87 kg
Wet weight
93 kg
Seats
2
Capacities
2
Fuel tank
6 l
2T oil tank
1.2 l
Electrical
5
Starter
Kick starter
Ignition
Magneto
Spark plug
B8HS
Taillight rating
20W/5W
Headlight rating (high)
25W/25W
Performance
5
Range
390 km
Rear tire pressure
2 kgf/cm²
Front tire pressure
1.5 kgf/cm²
Measure standard
At 50 km/h
Fuel economy
1.5 L/100km
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