2021 Kawasaki Z 650 vs 2023 Honda CB 750 Hornet

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2021 Kawasaki Z 650 2021 Kawasaki Z 650

Naked bike

Engine
Twin, four-stroke
Power
50.2 kW / 67.3 hp
Top Speed
N/A
Weight
412.3 pounds
2023 Honda CB 750 Hornet 2023 Honda CB 750 Hornet

Naked bike

Engine
Twin, four-stroke
Power
90 hp / 67.5 kW @ 9500rpm
Top Speed
N/A
Weight
418.9 pounds
Full Specifications
General
CommentsSmartphone Connectivity-
Year20212023
ColoursPearl Blizzard White/Metallic Spark Black, Metallic Spark Black/Metallic Flat Spark BlackGraphite Black, Pearl Glare White, Matte Iridum Grey Metallic, Matte Goldfinch Yellow
Make ModelKawasaki Z 650Honda CB 750 Hornet
Warranty12 Month Limited Warranty-
Dimensions
Ground Clearance (mm)130 mm-
Ground Clearance (in.)5.1 inches-
Seat Height790 mm / 31.1 in795 mm / 31.3 in
Wheelbase1410 mm / 55.5 in1420 mm / 55.9 in
Ground Clearance130 mm / 5.1 in140 mm / 5.5 in
Height1064 mm / 41.9 in1085mm / 42.7 in
Length2065 mm / 81.3 in2090 mm / 82.3 in
Width764.5 mm / 30.1 in780 mm / 30.7 in
Weights & Capacities
Oil Capacity (l)-2.70 litres
Oil Capacity (Quarts)-2.85 US quarts
Fuel Capacity15 Litres / 4.0 US gal15.2 Litres / 4.0 US gal
Wet Weight187 kg / 412.3 lbs190 kg / 419 lbs
Performance
Maximum RPM12500-
Max Power50.2 kW / 67.3 hp90 hp / 67.5 kW @ 9500rpm
Max Torque65.7 Nm / 48.5 lb-ft @ 6500 rpm75Nm / 55.3 lb-ft @ 7250rpm
Engine
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)Overhead Cams (OHC)
Engine TypeTwin, four-strokeTwin, four-stroke
CO2103.0 CO2 g/km. (CO2 - Carbon dioxide emission)100.9 CO2 g/km. (CO2 - Carbon dioxide emission)
Displacement649 cc / 39.65 cu-in755cc / 46 cu-in
Engine DetailFour stroke, parallel twin cylinder, DOHC, 4 valves per cylinderFour stroke, parallel twin with 270° crank and uni-cam, OHC, 4 valves per cylinder
Fuel SystemInjection. DFI® with Keihin 36mm Keihin throttle bodiesInjection. PGM-FI
Bore x Stroke83 x 60 mm87 x 63.5 mm
Compression Ratio10.8:111.0:1
Cooling SystemLiquid cooledLiquid-cooled
Emissions-Euro 5
Engine LubricationForced lubrication, semi and #8209;dry sump-
Fuel Consumption4.44 litres/100 km (22.5 km/l or 52.98 mpg)4.35 litres/100 km (23.0 km/l or 54.07 mpg)
Fuel InductionDFIØ with Keihin 36mm Keihin throttle bodiesPGM-FI electronic injection
Fuel Reserve-3.50 litres / 0.92 US gallons
IgnitionTCBI with electronic advance-
LubricationWet sump-
StarterElectricElectric
Valve System-4
Drivetrain
ClutchWet multi-disc, manualWet multiple, Assisted slipper clutch
Final DriveSealed chainChain
Gear Ratios1st 2.438 (39/16) 2nd 1.714 (36/21) 3rd 1.333 (32/24) 4th 1.111 (30/27) 5th 0.966 (28/29) 6th 0.852 (23/27)-
Gearbox6-speed6-speed
Primary DriveSealed chain-
Transmission / Drive6 Speed 6 speed
Chassis
Frame TypeTrellis, high-tensile steelSteel diamond
Suspension - Front41 mm hydraulic telescopic fork41 mm Showa SFF-BPTMTM USD
Suspension - RearHorizontal Back-link with adjustable preload swingarmMonoshock damper, Pro-Link swingarm,
Rake24° 25˚
Trail100 mm / 3.9 in99 mm / 3.9 in
Wheel Travel - Front125 mm / 4.9 in130 mm / 5.1 in
Wheel Travel - Rear130 mm / 5.1 in150 mm / 5.9 in
Electrical Systems
InstrumentationTFT InstrumentationTFT digital
Lighting system-LED Headlights
Wheels & Brakes
Brakes - Front2x 300mm petal-style discs, 2 piston calipers2 x 296 mm discs, 4 piston Nissin radial calipers
Brakes - RearSingle 220mm petal-style discSingle 240mm disc, 1 piston caliper
ABSOptional2 Channel
RimsDunlop Sportmax Roadsport 2 tires5Y-Spoke Cast Aluminium
Tyres - Front120/70 ZR17120/70ZR-17
Tyres - Rear160/60 ZR7160/60ZR-17
Wheels-5Y-Spoke Cast Aluminium

Verdict

Winner on specs

2023 Honda CB 750 Hornet

The 2023 Honda CB 750 Hornet edges out the 2021 Kawasaki Z 650 thanks to its fuel injection, dual front discs, greater ground clearance, higher rear wheel travel and larger displacement. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.

Key Differences

2021 Kawasaki Z 650 - Advantages

  • Competitive all-round: The 2021 Kawasaki Z 650 matches or exceeds its rival across all measured criteria.

2023 Honda CB 750 Hornet - Advantages

  • Fuel injection: Precise fuelling, better cold-start reliability, and lower maintenance requirements.
  • Dual front discs: Greater stopping power and better heat management under hard braking.
  • Larger displacement: 755 cc vs 649 cc - more cubic capacity means broader torque delivery and greater low-end pull.
  • More ground clearance: 140 mm vs 130 mm - better clearance over rocks and obstacles.
  • More rear wheel travel: 150 mm vs 130 mm - absorbs bigger hits and rough terrain better.

2021 Kawasaki Z 650 vs 2023 Honda CB 750 Hornet - FAQs

What is the displacement difference between the 2021 Kawasaki Z 650 and 2023 Honda CB 750 Hornet?
Both bikes share the same engine layout, but the 2023 Honda CB 750 Hornet has a larger displacement at 755 cc compared to 649 cc for the 2021 Kawasaki Z 650. The extra 106 cc gives the 2023 Honda CB 750 Hornet a broader torque spread and more low-end pull, while the 2021 Kawasaki Z 650 trades some outright displacement for a lighter, more nimble package.
Which should I buy, the 2021 Kawasaki Z 650 or the 2023 Honda CB 750 Hornet?
Both are strong choices. The 2021 Kawasaki Z 650 has its own strengths, while the 2023 Honda CB 750 Hornet stands out for fuel injection and dual front discs. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.