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MOTOVULKAN
Yamaha GX400 - generations and specs | MOTOVULKAN
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GX400
Yamaha · Model
— GX400
GX400
1 generation
1977 - 1979
·
Naked
Yamaha GX400 1977-1979
About generation 2L0
1977-1979
Years
1977 - 1979
Frame codes
2L0
Class
Naked
Specifications
10 groups
General
3
Market
Japanese domestic (JDM)
Model code
2L0
Manufacturer
YAMAHA
Engine
18
Bore
69 mm
Cooling
Air-cooled
Power
37 hp
Fuel type
Regular (low-octane)
Power RPM
8,800 rpm
Stroke
52.4 mm
Cylinders
2
Torque RPM
8,000 rpm
Engine code
2A2
Fuel system
Carburetor
Engine type
4-stroke
Torque (kgf·m)
3.2 kgf·m
Valvetrain
SOHC
Lubrication
Wet sump
Cylinder layout
Inline
Displacement
391 cc
Compression ratio
9.2
Valves per cylinder
2
Transmission
7
Type
Return shift
Gears
6
Clutch
Wet multi-plate
Final drive
Chain
Gear ratios
2.5 / 1.777 / 1.398 / 1.125 / 0.961 / 0.866
Primary reduction
3.25
Secondary reduction
2.437
Chassis
15
Frame
Semi-double cradle
Rear tire
3.50-18
Front tire
3.00-18
Rear brake
Hydraulic disc
Front brake
Hydraulic disc
Rear rim width
2.15
Front fork type
Conventional
Front rim width
1.85
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
8
Trail
84 mm
Width
865 mm
Height
1,120 mm
Length
2,050 mm
Rake
27 °
Wheelbase
1,335 mm
Seat height
700 mm
Ground clearance
150 mm
Weight
1
Seats
2
Capacities
2
Fuel tank
14 l
Engine oil (total)
2.6 l
Electrical
7
Battery
YB12A-A
Starter
Electric & kick
Spark plug
BP6ES
Spark plugs
2
Battery capacity
12V-12Ah
Taillight rating
27W/3W
Headlight rating (high)
50W/40W
Instruments
2
Tachometer
Yes
Speedometer
Analog
Performance
2
Rear tire pressure
2.25 kgf/cm²
Front tire pressure
2 kgf/cm²
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