2021 Ninja ZX-25R

ADDITIONAL FEATURES:

  • Central Ram Air
  • ø37 mm SFF-BP front suspension
  • Horizontal Back-link rear suspension
  • ø310 mm semi-floating disc with radial-mounted caliper
  • Kawasaki TRaction Control
  • Power Mode selection
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Description

REVIEW

Featuring the legendary performance engine of the Kawasaki Ninja ZX Series, the long-awaited motorbike engine with a 250cc class Supersport is finally here and comes true. Its 249.8 cc In-Line Four precision engine delivers high-rpm power, highest in its class. Equipped with a number of chassis components and electronic rider support features that rival the Ninja ZX flagship model, making the Ninja ZX-25R can provide unparalleled performance in every driving condition.

ADVANTAGES:

  • HIGH-REVVING 249.8 cc IN-LINE FOUR ENGINE
  • NIMBLE SUPERSPORT-STYLE HANDLING
  • HIGH-PERFORMANCE SUSPENSION AND BRAKE COMPONENTS
  • HIGH-GRADE ELECTRONICS AND FEATURES
  • APEX-PREDATOR STYLING

Additional information

Weight182 kg
Dimensions1980 × 750 × 1110 mm
Engine

4 cylinders in line, 4 stroke, liquid cooling

Displacement

249,8 cc

Bore x stroke

50 X 31,8 mm

Compression ratio

11.5 : 1

Valve system

DOHC, 16 valves

System

30 mm X 4, Fuel injection

Starter

TCBI with digital advance

Sistema de arranque

Electric

Lubrication

Forced lubrication, wet sump

Rated output

50 Hp (36,8 kW) @ 15.500 rpm

Rated output with RAM air

51 Hp (37,5 kW) @ 15.500 rpm

Max. torque

22,9 Nm (17 lb-ft) @ 14.500 rpm

Clutch

Anti-rebound and assistance system, wet multi-disc, manual

Gearbox

6 speeds, KQS (Kawasaki Quick Shifter)

Drive

6 speeds

Final drive

Sealed chain

Primary Ratio

2.900 (87/30)

Relation 1

2.929 (41/14)

Relation 2

2.056 (37/18)

Relation 3

1.619 (34/21)

Relation 4

1.333 (32/24)

Relation 5

1.154 (30/26)

Relation 6

1.037 (28/27)

Final Ratio

3.429 (48/14)

Frame

Multitubular in high tension steel

Trail

99 mm

Front wheel suspension

120mm travel, ø 37 mm inverted fork (SFF-BP)

Rear wheel suspension

116 mm, Horizontal back-link with adjustable spring preload

Brake, front

277 mm disc, ABS

Brake, rear

186 mm disc, ABS

ABS

Dual Channel ABS

Tires, front

110/70 – R17 M/C (54H)

Tires, rear

150/60 – R17 M/C (66H)

Steering angle

35° / 35°

Wheelbase

1.380 mm

Ground clearance

125 mm

Seat height

785 mm

Fuel capacity

15 liters, 3,9 Gal

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