Kawasaki Z 650 RS (2025)

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A true middleweight naked sportbike for a broad range of riders, the Z650RS tempts the eye with the timeless beauty of a retro sport. Distinguishing the Z650RS from the larger displacement Z900RS is a slimmer tank and a shorter, more compact tail—all contributing to light handling and an approachable nature. Experience modern responsive power and retro styling that’s perfect for everyday riding on the Z650RS.

Key Specifications

Engine Type4-stroke, 2-cylinder, DOHC, liquid-cooled
Engine Capacity649 cc / 39.6 cubic inches
Max Power67.0 hp @ 8,000 rpm
Max Torque48.5 lb-ft / 65.75 nm @ 6,700 rpm
Top Speed~ 133.6 mph / 215 kmph
Fuel Tank Capacity12.1 L / 3.2 US gallons
Weight (Wet/Kerb)412.3 lbs / 187 kg
Seat Height800 mm / 31.5 inches
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All Specifications

Make & Model

ModelKawasaki Z 650 RS
Year2025

Engine

Engine Type4-stroke, 2-cylinder, DOHC, liquid-cooled
Displacement649 cc / 39.6 cubic inches
Bore x Stroke83 x 60 mm
Compression Ratio10.8 : 1
Number of Cylinders2
Max Horsepower67.0 hp @ 8,000 rpm
Max Torque48.5 lb-ft / 65.75 nm @ 6,700 rpm
Valve TrainDOHC
Valves per Cylinder4
Engine Management SystemDFI® with Keihin 36mm throttle bodies
Lubrication SystemForced lubrication, semi‑dry sump
Cooling SystemLiquid Cooled
Ignition SystemTCBI with Electronic Advance

Performance

Top Speed~ 133.6 mph / 215 kmph

Transmission

ClutchWet, multi disc
Gearbox6-speed, return shift
Primary Drive Ratio88/42
Gear Ratios1st gear – 39/16
2nd gear – 36/21
3rd gear – 32/24
4th gear – 30/27
5th gear – 28/29
6th gear – 23/27
Final DriveSealed chain
Traction Control SystemKawasaki Traction Control (KTRC)
Assist & Slipper ClutchYes

Electrical & Electronics System

Headlight TypeLED
Taillight TypeLED
InstrumentationTFT color instrument
ConnectivitySmartphone Connectivity via RIDEOLOGY THE APP
Traction Control SystemKawasaki TRaction Control (KTRC)
ABSYes

Chassis & Suspension

Frame TypeTrellis, high-tensile steel
Front Suspension41mm hydraulic telescopic fork
Front Suspension Travel124.4 mm / 4.9 inches
Rear SuspensionHorizontal back-link with adjustable spring preload
Rear Suspension Travel130 mm / 5.1 inches
Rake24 °
Trail99 mm / 3.9 inches

Wheels & Brakes

WheelsCast alloys
Front Tire Size120/70 x 17
Rear Tire Size160/60 x 17
Front BrakesDual 300mm petal-type discs and 2-piston calipers (and ABS)
Rear BrakesSingle 220mm petal-style disc and ABS

Dimension & Weights

Overall Length2065 mm / 81.3 inches
Overall Width800 mm / 31.5 inches
Overall Height1115 mm / 43.9 inches
Seat Height800 mm / 31.5 inches
Wheelbase1404.6 mm / 55.3 inches
Ground Clearance124.4 mm / 4.9 inches
Fuel Tank Capacity12.1 L / 3.2 US gallons
Wet (kerb/curb) Weight412.3 lbs / 187 kg

Features

  • Assist & Slipper Clutch
  • Dual Throttle Valves
  • Economical Riding Indicator
  • KTRC – Kawasaki Traction Control
  • Rideology the app
  • Smartphone Connectivity
  • ABS
  • Horizontal back-link rear suspension
  • Compact, horizontal tail
  • Dual-dial instrumentation with multi-function LCD screen
  • Round LED headlight
  • Spoke-style cast wheels
  • Disc brakes
  • Relaxed retro-style riding position

Kawasaki Z 650 RS (2025) Color Options

  • Ebony
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