2024 Ninja ZX-4RR

Engine Type

Liquid-cooled, 4-stroke In-Line Four

Displacement

399

Bore x stroke

57 x 39.1 mm

Compression ratio

12.3:1

Valve/Induction system

DOHC, 16 valves

Fuel system

Fuel Injection: Ø 34 mm x 4

Ignition

Digital

Starting

Electric

Lubrication

Forced lubrication, wet sump

Maximum Power

57 kW {77 PS} / 14,500 rpm

Maximum torque

39 N•m {4 kgf•m} / 13,000 rpm

Transmission

6-speed

Final Drive

Sealed Chain

Clutch

Wet multi-disc

Frame type

Liquid-cooled, 4-stroke In-Line Four

Wheel travel

Front: 120mm | Rear: 124mm

Seat Height

800mm

Curb Mass

189kg

Ground Clearance

135mm

Dimensions (L x W x H)

1,990 x 765 x 1,110 mm

Wheelbase

Trellis, high-tensile steel

Fuel Capacity

15 Litres

Suspension front

37 mm inverted fork (SFF-BP) with spring preload adjustability, and topout springs

Suspension Rear

Horizontal Back-link, BFRC lite gas-charged shock with piggyback reservoir, compression and rebound damping and spring preload adjustability, and top-out spring

Brakes Front

Dual semi-floating 290 mm discs. Caliper: Dual radial-mount, monobloc, opposed 4-piston