Kawasaki ZX-7 R.

from Wikipedia, the free encyclopedia
Kawasaki
ZX7R.jpg
ZX-7 R (ZX 750-P)
ZX-7 RR (ZX 750-N) *
Manufacturer Kawasaki Heavy Industries
Production period 1996 to 2003
class motorcycle
design type Superbike
Motor data
Type : 4-cylinder four-stroke in - line engine , DOHC , 4 valves per cylinder, two overhead camshafts
Cooling : Liquid cooling
Mixture preparation : Carburettor, four Keihin equal pressure carburettors with 38 mm passage / * Four Keihin flat slide carburettors with 41 mm passage
Start system : Electric starter
ignition system : digital transistor ignition
Displacement  (cm³) 748
Power  (kW / PS ) 72/98 at 11,500 min −1 (open 90/122 at 11,800 min −1 )
Torque  ( N m ) 74 at 6800 min −1
(open 75 at 9,300 min −1 )
Top speed (  km / h) 246 / (open) 264
transmission 6-speed, with idle detection
drive Chain drive
Brakes front: perforated double disc brake 320 mm,
rear perforated disc brake 230
Wheelbase  (mm) 1435 / * 1420
Dimensions (L × W × H, mm): 2190 × 740 × 1130
Seat height (cm) 80.5
Empty weight  (kg) 203 / * 200 (dry)
Previous model ZXR 750
successor ZX-10 R

The Kawasaki Ninja ZX-7 R was a Superbike motorcycle from the Japanese manufacturer Kawasaki .

It is the successor to the Kawasaki ZXR 750 and was built from 1996 to 2003.

The ZX-7 RR was the homologation model for participation in the Superbike World Championship . The double R differed in some details from the "normal" R. For example, 1st gear was significantly longer, the engine was equipped with flat slide instead of constant pressure carburetors and it only had one seat.

Technical data ZX750P / ZX-7R

Dimensions and weights

Length: 2190 mm
Width: 740 mm
Height: 1130 mm
Wheelbase: 1435 mm
Ground clearance: 105 mm
Bench height: 805 mm
Dry weight: 203 kg
Weight distribution:
  • Front: 117 kg
  • Rear: 115 kg
Empty weight (ready to drive): 232 kg
Perm. Total weight: 415 kg
Tank capacity: 18 l, of which 4 l reserve

engine

Type: 4-cylinder four-stroke in - line engine , DOHC , 4 valves per cylinder
Cooling: Liquid cooled
Bore × stroke: 73 x 44.7 mm
Displacement: 748 cc
Compression: 11.5: 1
Power:
  • 72 kW (98 HP) at 11,500 min -1
  • 90 kW (122 hp) at 11,800 min -1 (high Vergaserdeckel)
Max. Torque:
  • 74 Nm at 6,800 min -1
  • 78 Nm at 9,300 min -1 (high Vergaserdeckel)
Mixture preparation: Four Keihin constant pressure carburetors CVK-D38 with 38 mm passage
Fuel: Unleaded petrol , min. 91 RON octane number
Starter: Electric starter
Ignition system: Digital transistor ignition
Lubrication system: Forced lubrication (wet sump with cooler)

Engine

Primary translation:
  • Type: Gear
  • Gear ratio: 1.754 (93/53)
Transmission:
  • Type: 6-speed gearbox, claw shift, gears constantly in mesh
  • Translations:

- 1st gear: 2.857 (40/14)
- 2nd gear: 2.000 (36/18)
- 3rd gear: 1.619 (34/21)
- 4th gear: 1.391 (32/23)
- 5th gear: 1.222 (33/27)
- 6th gear: 1.103 (32/29)

Coupling: Multi-disc oil bath clutch ( anti-hopping clutch )
Wheel drive:
  • Type: drive chain
  • Gear ratio: 2.687 (43/16)
  • Total ratio: 5.203 (6th gear)

Frame and chassis

Type: Press profile aluminum frame, aluminum swing arm
Caster angle: 25 °
Trailing: 99 mm
Bikes: Cast aluminum wheels
Front tire: 120/70 ZR17 TL
Rear tire: 190/50 ZR17 TL
Front suspension:
Rear suspension:
  • Type: Central spring strut (Uni-Trak)
  • Suspension travel: 130 mm
Brakes:
  • Front: perforated double disc brake 320 mm
  • Rear: perforated single disc brake 230 mm

Performance

Acceleration (0-100 km / h) 3.4 s
Top speed: 246 km / h (98 PS)
264 km / h (122 hp)
ZX-7R with various modifications

Web links

Commons : Kawasaki Ninja ZX-7R  - Collection of pictures, videos and audio files