Technical specifications
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| Model: |
GPX 250R / EX250 Ninja / ZZR 250 |
| Years: |
1986-89 |
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Engine:
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Four stroke, parallel twin, DOHC , 4 valve per cylinder
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|
Capacity:
|
248 cc / 15.2 cu-in
|
|
Bore x Stroke:
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62 х 41.2mm
|
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Cooling System:
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Liquid cooled
|
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Compression Ratio:
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12.4:1
|
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Induction:
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2x Keihin CVK30 Constant velocity, diaphragm-type
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Ignition:
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Electronic advance
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Spark Plug:
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NGK CR8HSA, CR8HIX, CR8HVX option CR7HSA, CR7HIX
|
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Starting:
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Electric
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Max Power:
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45 hp / 33.5 kW @ 11000 rpm
|
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Max Torque:
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24 Nm / 17.7 lb-ft @ 10000 rpm
|
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Clutch:
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Wet, multi-disc, manual, cable-actuated
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Transmission:
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6 Speed
|
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Final Drive:
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Chain
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Frame:
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Tubular diamond design
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Front Suspension:
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Telescopic forks
|
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Front Wheel Travel:
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140 mm / 5.5 in
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Rear Suspension:
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UNI-TRAK single shock
|
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Rear Wheel Travel:
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130 mm / 5.1 in
|
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Front Brakes:
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Single 260mm disc
|
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Rear Brakes:
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Single 230mm disc
|
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Front Tyre:
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100/80-16
|
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Rear Tyre:
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130/80-16
|
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Rake:
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27°
|
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Trail:
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84 mm / 3.3 in
|
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Wheelbase:
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1400 mm / 55.1 in
|
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Seat Height:
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740 mm / 29.3 in
|
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Ground Clearance:
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150 mm / 6.1 in
|
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Dry Weight:
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138 kg / 304 lbs
|
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Wet Weight:
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160 kg / 355 lbs
|
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Fuel Capacity:
|
18 Litres / 4.7 US gal
|
|
Standing ¼ Mile:
|
13.8 sec / 82.3 mph 132.4 km/h
|
|
Top Speed:
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152.7 km/h / 94.9 mph
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