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2023 Suzuki GSX-8S Overview
The 2023 Suzuki GSX-8S is a naked bike motorcycle built around 776 cc of displacement. Under the tank sits a Twin, four-stroke engine running Double Overhead Cams/Twin Cam (DOHC) valve actuation, a compression ratio of 12.8:1. The bore and stroke measures 84 x 70 mm. From a practical standpoint, the 2023 GSX-8S tips the scales at 202 kg, carries a 14-litre fuel tank, offers a seat height of 810 mm and spans a 1465 mm wheelbase. Scroll down for the complete 2023 Suzuki GSX-8S spec sheet covering every technical detail from suspension travel to tyre sizes.
2023 Suzuki GSX-8S compared with other bikes in the Naked bike category
Here is how the 2023 Suzuki GSX-8S stacks up against other bikes in the Naked bike category in our database. Each model counts once, using the model year closest to this one, and the comparison covers up to 1666 models.
- Seat height of 810 mm is taller than that of 913 of the other 1310 bikes in the Naked bike category.
- Only 680 of the other 1665 bikes in the Naked bike category have a larger engine displacement than the 776 cc of the GSX-8S.
- Narrowing the field to the 350 models within five model years of it, the seat height of 810 mm is taller than that of 199 of the other 349.
2023 GSX-8S - Pros & Cons
Strengths
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Fuel injection: The fuel injection system delivers crisp throttle response and reliable cold starts regardless of altitude or temperature.
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Strong front braking: The double disc front brake gives excellent stopping power and responds well to aftermarket braided lines.
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ABS fitted: Anti-lock braking is standard, adding a real margin of safety on wet roads or in an emergency stop.
Considerations
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Chain final drive upkeep: Chain final drive needs regular cleaning, lubrication and tension checks to get full life out of the sprockets.
Wear Points & Servicing Notes
Fuelling & injector care
Fuelling comes from fuel injection. Systems like this are largely maintenance-free beyond keeping fuel quality decent and injectors clear - a fuel-system cleaner every service interval is cheap insurance.
Valve clearance checks
Double Overhead Cams/Twin Cam (DOHC) valve actuation on the GSX-8S means clearances should be checked at the manufacturer's specified interval - they can tighten as mileage accumulates, and a light top-end tick is usually the first sign.
Brake disc and pad wear
The double disc front brake gives strong, progressive stopping power. Disc thickness and pad depth are worth checking at every tyre change, since worn pads can score the disc surface.
Suspension condition on used examples
Up front, the GSX-8S runs KYB inverted front forks and Adjustable KYB link-type at the rear. On a used example, check fork seals for weeping oil and test the rear linkage for play - seals are a relatively cheap fix but useful when negotiating price.
Final drive maintenance
Final drive is by chain - expect to clean and lube it every few hundred kilometres and check tension regularly; a neglected chain wears the sprockets faster than the chain itself.
Frame & chassis check
The frame is Steel - worth a visual check for corrosion or impact damage around the head-stock and swingarm pivot on any used example, since frame damage is far costlier to fix than any service item.
GSX-8S - Buying & Maintenance Guide
What to check before buying
When inspecting a used 2023 Suzuki GSX-8S with its 776 cc naked bike, start with the basics: check the service book for oil change frequency, inspect the drivetrain for wear, and look for oil seepage around the engine casings and rocker covers. This model runs chain final drive, so check chain slack and sprocket tooth profile specifically - a worn sprocket is a cheaper fix now than after it's chewed up the next chain. Now 3 years old, this naked bike is as likely to show age-related wear (perished rubber, seized fasteners, degraded seals) as mileage-related wear. A cold start test is invaluable - a well-maintained GSX-8S should fire up cleanly and settle to a smooth idle within a few seconds.
Oil and filter changes
Regular oil changes are the single most important maintenance task for the GSX-8S's 776 cc twin, four-stroke. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. The sump holds 3.90 litres, so budget for that volume of quality motorcycle-specific engine oil. With a 12.8:1 compression ratio, running the octane grade specified in the manual matters more than on a lower-compression engine. Always use the correct viscosity grade as specified in the owner's manual.
Fuel system care
The GSX-8S's fuel injection system is durable but benefits from quality fuel and the occasional use of a fuel-system cleaner additive. If the bike has been stored for more than three months, drain and replace the fuel to prevent varnish deposits in the injectors.
Valve clearance service
Check that valve clearances have been adjusted at the correct intervals on any used GSX-8S. A bike with clearances out of spec doesn't always feel obviously wrong - but tight clearances accelerate valve seat wear. Ask for service documentation proving it's been done.
2023 Suzuki GSX-8S - Frequently Asked Questions
What engine does the 2023 Suzuki GSX-8S have?
The 2023 Suzuki GSX-8S uses a Twin, four-stroke engine with 776 cc of displacement.
How much does the 2023 Suzuki GSX-8S weigh?
The 2023 Suzuki GSX-8S weighs 202 kg. This is the manufacturer's wet figure.
What is the fuel tank capacity of the 2023 Suzuki GSX-8S?
The 2023 Suzuki GSX-8S has a 14-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 233-280 km between stops.
Is the 2023 Suzuki GSX-8S suitable for shorter riders?
The 2023 Suzuki GSX-8S has a seat height of 810 mm. This is a moderate seat height that suits a wide range of rider heights.
What brakes does the 2023 Suzuki GSX-8S have?
The 2023 Suzuki GSX-8S uses double disc with ABS at the front and single disc with ABS at the rear.
What tyre sizes does the 2023 Suzuki GSX-8S use?
The front tyre size on the 2023 Suzuki GSX-8S is 120/70-ZR17.
How much oil does the 2023 Suzuki GSX-8S take?
The 2023 Suzuki GSX-8S takes 3.90 litres of engine oil at a full oil and filter change. Always verify against the dipstick or sight glass after filling.
Key Specifications
Weight
202.0 kg / 445.3 lbs
Fuel Capacity
14.00 litres / 3.70 US gallons
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Full 2023 Suzuki GSX-8S Specifications
Comments
Suzuki Intelligent Ride System.
Colours
Pearl Cosmic Blue, Pearl Tech White, Metallic Mat Black/Glass Sparkle Black
Warranty
12 month unlimited mileage limited warranty.
Ground Clearance (in.)
5.7 inches
Ground Clearance (mm)
145 mm
Seat Height
810 mm / 31.9 in.
Wheelbase
1465 mm / 57.7 in.
Height
1105 mm / 43.5 in.
Length
2115 mm / 83.3 in.
Width
775 mm / 30.5 in.
Oil Capacity (l)
3.90 litres
Oil Capacity (Quarts)
4.12 US quarts
Fuel Capacity
14.00 litres / 3.70 US gallons
Wet Weight
202.0 kg / 445.3 lbs
Bore x Stroke (in,)
3.3 x 2.8 inches
Bore x Stroke (mm)
84.0 x 70.0 mm
Engine Type
Twin, four-stroke
Displacement (cc)
776.0 cc
Displacement (ci)
47.35 cubic inches
Fuel Control
Double Overhead Cams/Twin Cam (DOHC)
CO2
97.4 CO2 g/km. (CO2 - Carbon dioxide emission)
Engine Detail
270-degree crankshaft layout
Fuel System
Injection
Compression Ratio
12.8:1
Engine Lubrication
Forced feed circulation, Wet sump
Fuel Consumption
4.20 litres/100 km (23.8 km/l or 56.00 mpg)
Ignition
Transistorized
Starter
Electric
Valve System
4
Clutch
Wet, multi-plate
Final Drive
Chain (final drive)
Gearbox
6-speed
Frame Type
Steel
Suspension - Front
KYB inverted front forks
Suspension - Rear
Adjustable KYB link-type
Rake
25.0°
Trail
104 mm / 4.1 in.
Wheel Travel - Front
130 mm / 5.1 in.
Wheel Travel - Rear
130 mm / 5.1 in.
Instrumentation
TFT LCD multifunction instrument panel
Lighting system
LED headlights
Brakes - Front
Double disc. ABS
Brakes - Rear
Single disc. ABS
Rims
Cast aluminum alloy
Tyres - Front
120/70-ZR17
Specifications are compiled from manufacturer documentation and cross-referenced
technical sources, and corrected on an ongoing basis.
Spot an error? Let us know.
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