Technical specifications
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| Model: |
GPX 400R / EX400 Ninja |
| Years: |
1987-90 |
|
Engine:
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Four stroke, parallel twin cylinders, DOHC, 4 valves per cylinder.
|
|
Capacity:
|
398 cc / 24.3 cu-in
|
|
Bore x Stroke:
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70 х 51.8 mm
|
|
Cooling System:
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Liquid cooled
|
|
Compression Ratio:
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10.7:1
|
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Lubrication:
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Wet sump
|
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Induction:
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Carburetor
|
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Ignition:
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TCI (Transistor Controlled Ignition)
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|
Starting:
|
Electric
|
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Max Power:
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50 hp / 36.5 kW @ 10500 rpm
|
|
Max Torque:
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3.6 kgf-m @ 9000 rpm
|
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Clutch:
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Wet, multiple discs, cable operated
|
|
Transmission:
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6 Speed
|
|
Final Drive:
|
Chain
|
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Frame:
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Iron, Double cradle frame
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Front Suspension:
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38mm Telescopic forks
|
|
Front Wheel Travel:
|
130 mm / 5.1 in
|
|
Rear Suspension:
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Swinging arm, single shock adjustable for spring preload
|
|
Rear Wheel Travel:
|
100 mm / 3.9 in
|
|
Front Brakes:
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2x discs
|
|
Rear Brakes:
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Single disc
|
|
Front Tyre:
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110/70-17
|
|
Rear Tyre:
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130/70-17
|
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Dry Weight:
|
177 kg / 390 lbs
|
|
Fuel Capacity:
|
16 Litres / 3.9 US gal
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