Kawasaki Z900 RS 2021 vs. Suzuki GSX-8S 2023

Kawasaki Z900 RS 2021

Kawasaki Z900 RS 2021

Suzuki GSX-8S 2023

Suzuki GSX-8S 2023

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Overview - Kawasaki Z900 RS 2021 vs Suzuki GSX-8S 2023

The Kawasaki Z900 RS 2021 and the Suzuki GSX-8S 2023 are both naked bikes with similar engine types and fuel systems. However, there are notable differences in their technical specifications and strengths.

Starting with the Kawasaki Z900 RS 2021, it boasts a powerful engine with 111 HP and 98.6 Nm of torque. This provides a thrilling riding experience with excellent acceleration. The bike's fuel injection system ensures efficient fuel consumption. It has four cylinders and a liquid cooling system, which helps maintain optimal engine temperature.

In terms of suspension, the Z900 RS features an Upside-Down telescopic fork at the front and a swing arm with a monoshock at the rear. The suspension is adjustable for preload and rebound, allowing riders to fine-tune their riding experience. The frame is made of steel, providing durability and stability.

When it comes to braking, the Z900 RS is equipped with double disc brakes at the front with a diameter of 300 mm and four-piston calipers. This ensures reliable stopping power and control. The bike also features advanced rider assistance systems such as ABS and traction control, enhancing safety on the road.

Kawasaki Z900 RS 2021

Kawasaki Z900 RS 2021

In terms of dimensions and weights, the Z900 RS has a front tire width of 120 mm and a rear tire width of 180 mm, both with a diameter of 17 inches. The wheelbase is 1470 mm, providing stability and agility. The seat height is 835 mm, offering a comfortable riding position. The bike weighs 215 kg (with ABS) and has a fuel tank capacity of 17 liters.

Moving on to the Suzuki GSX-8S 2023, it has a slightly less powerful engine compared to the Z900 RS, with 83 HP and 78 Nm of torque. However, it still delivers a satisfying performance with a high-torque engine and first-class running culture. The engine has two cylinders and a liquid cooling system.

In terms of suspension, the GSX-8S shares similar features with the Z900 RS, including an Upside-Down telescopic fork at the front and a swing arm with a monoshock at the rear. However, the GSX-8S lacks the rebound adjustment option. The frame is also made of steel, ensuring stability and durability.

The GSX-8S is equipped with double disc brakes at the front with a slightly larger diameter of 310 mm and four-piston calipers, providing strong and reliable braking performance. In addition to ABS and traction control, the GSX-8S also offers advanced rider assistance systems such as riding modes, ride by wire, and a shift assistant with blipper.

Suzuki GSX-8S 2023

Suzuki GSX-8S 2023

In terms of dimensions and weights, the GSX-8S has the same front and rear tire widths and diameters as the Z900 RS. The wheelbase is slightly shorter at 1465 mm, but it still offers stability and maneuverability. The seat height is 810 mm, providing a comfortable riding position. The bike weighs 202 kg (with ABS) and has a fuel tank capacity of 14 liters.

In terms of strengths, the Kawasaki Z900 RS 2021 stands out for its authentic and beautiful retro look. It offers a very comfortable seating position and is easy and comfortable to ride. On the other hand, the Suzuki GSX-8S 2023 impresses with its full-grown and high-quality overall concept. It has a stable handling and a high-quality impression overall. The bike offers a great naked bike riding position and a good and precise quickshifter. The controls and display are also of high quality.

However, both bikes have their weaknesses. The Z900 RS lacks a quickshifter and driving modes, although it does have adjustable traction control. The GSX-8S, on the other hand, has a quickshifter and gearstick that require a little more operating force than usual. It is also slightly heavier than other bikes in its class, and the ABS controls are defensively set. Additionally, the engine of the GSX-8S lacks rev reserves upwards.

In conclusion, the Kawasaki Z900 RS 2021 and the Suzuki GSX-8S 2023 are both impressive naked bikes with their own strengths and weaknesses. The Z900 RS offers a powerful and comfortable riding experience, while the GSX-8S provides a high-quality overall concept with excellent handling and controls. Ultimately, the choice between the two will depend on personal preferences and priorities.

Technical Specifications Kawasaki Z900 RS 2021 compared to Suzuki GSX-8S 2023

Kawasaki Z900 RS 2021
Suzuki GSX-8S 2023

Engine and Drive Train

Engine typeEngine typeIn lineEngine typeIn line crankpin offset
BoreBore73.4 mmBore84 mm
StrokeStroke56 mmStroke70 mm
Engine powerEngine power111 HPEngine power83 HP
Rpm at Max. PowerRpm at Max. Power8,500 rpmRpm at Max. Power8,500 rpm
TorqueTorque98.6 NmTorque78 Nm
Rpm at TorqueRpm at Torque6,500 rpmRpm at Torque6,800 rpm
Compression RatioCompression Ratio10.8 Compression Ratio12.8
Fuel systemFuel systemInjectionFuel systemInjection
Clutch TypeClutch TypeMultiplate in oil-bathClutch TypeMultiplate in oil-bath
TransmissionTransmissionChainTransmissionChain
Transmission TypeTransmission TypeGearshiftTransmission TypeGearshift
Number of gearsNumber of gears6Number of gears6
CylindersCylinders4Cylinders2
StrokesStrokes4-StrokeStrokes4-Stroke
Valves per cylinderValves per cylinder4Valves per cylinder4
ValvesValvesDOHCValvesDOHC
CoolingCoolingliquidCoolingliquid
DisplacementDisplacement948 ccmDisplacement776 ccm

Suspension Front

Front suspensionFront suspensionUpside-Down telescopic forkFront suspensionUpside-Down telescopic fork
TravelTravel120 mmTravel130 mm

Suspension Rear

SuspensionSuspensionSwing armSuspensionSwing arm
Shock absorberShock absorberMonoshockShock absorberMonoshock
AdjustmentAdjustmentPreload, ReboundAdjustmentPreload
MaterialMaterialAluminiumMaterialAluminium

Chassis

FrameFrameSteelFrameSteel
RakeRake65 degreeRake65 degree
TrailTrail98 mmTrail104 mm

Brakes Front

TypeTypeDouble diskTypeDouble disk
DiameterDiameter300 mmDiameter310 mm
PistonPistonFour pistonsPistonFour pistons

Brakes Rear

TypeTypeDiscTypeDisc

Assistance Systems

Advanced Rider Assistance SystemsAdvanced Rider Assistance SystemsABS, Traction controlAdvanced Rider Assistance SystemsABS, Riding modes, Ride by Wire, Shift assistant with blipper, Traction control

Dimensions and Weights

Front tyre widthFront tyre width120 mmFront tyre width120 mm
Front tyre heightFront tyre height70 %Front tyre height70 %
Front tyre diameterFront tyre diameter17 inchFront tyre diameter17 inch
Rear tyre widthRear tyre width180 mmRear tyre width180 mm
Rear tyre heightRear tyre height55 %Rear tyre height55 %
Rear tyre diameterRear tyre diameter17 inchRear tyre diameter17 inch
LengthLength2,100 mmLength2,115 mm
WidthWidth865 mmWidth775 mm
HeightHeight1,150 mmHeight1,105 mm
WheelbaseWheelbase1,470 mmWheelbase1,465 mm
Seat HeightSeat Height835 mmSeat Height810 mm
Kerb Weight (with ABS)Kerb Weight (with ABS)215 kgKerb Weight (with ABS)202 kg
Fuel Tank CapacityFuel Tank Capacity17 lFuel Tank Capacity14 l
License compliancyLicense compliancyALicense compliancyA2, A

Pros and Cons in comparison

Pros and Cons in comparison

Kawasaki Z900 RS 2021

Kawasaki Z900 RS 2021

A timelessly beautiful motorbike, the Z 900 RS. Its heart, the powerful and silky-smooth four-cylinder, ensures absolute riding pleasure. Even for longer rides, it offers plenty of comfort thanks to its pleasant seating position, well-padded saddle and high, wide handlebars. For those who like retro motorbikes but appreciate modern handling, the Z1 Homage is a very good choice.

authentic, beautiful retro look

very comfortable seating position

easy and comfortable to ride

no quickshifter and no driving modes (but TC adjustable)

Suzuki GSX-8S 2023

Suzuki GSX-8S 2023

For years, Suzuki was the brand that offered nice bikes at a good price/performance ratio. With the Suzuki GSX-8S, the brand is much more self-confident. It presents itself as high-quality, mature and places itself at the top of a hard-fought class. The unspectacular performance data and the relatively high weight tarnish the picture only briefly. During the test rides, the Suzuki was completely convincing. A really good motorbike.

Full-grown and high-quality overall concept

high-torque engine

first-class running culture, stable handling, overall very high-quality impression

Very good seat

Great nakedbike riding position

Good and precise quickshifter

high-quality controls

very good display

Suspension offers reserves for a wide range of uses despite lack of adjustment options

Good ergonomics

Quickshifter and gearstick require a little more operating force than usual

Motorbike somewhat heavier than other bikes in this class

ABS controls very defensively

Engine has no rev reserves upwards

Price Comparison Avarage Market Price Kawasaki Z900 RS vs Suzuki GSX-8S

There are a few key differences between a Kawasaki Z900 RS 2021 and a Suzuki GSX-8S 2023. In terms of price, the actual average price of a Kawasaki Z900 RS 2021 is about 36% higher. Compared to Suzuki GSX-8S 2023 there are less Kawasaki Z900 RS 2021 bikes available on the 1000PS.de Marketplace, specifically 14 compared to 173. It takes less time to sell a Suzuki GSX-8S with 59 days compared to 125 days for the Kawasaki Z900 RS. Since model year 2018 1000PS.de editors have written 26 reviews for the Kawasaki Z900 RS and 13 reviews for the Suzuki GSX-8S since model year 2023. The first review for the Kawasaki Z900 RS was published on 06/09/2017 and now has more than 63,700 views. This compares to more than 47,300 views for the first review on Suzuki GSX-8S published on 08/11/2022.

Price Kawasaki Z900 RS

Model year
Current average market prices

Price Suzuki GSX-8S

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Current average market prices

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