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2021 Kawasaki H2 SX-SE Ninja Overview
For 2021, Kawasaki offers the H2 SX-SE Ninja as a sport touring motorcycle with 998 cc on tap. The 2021 Kawasaki H2 SX-SE Ninja is built around a Four Stroke, transverse four cylinder, DOHC, 16 valve, Supercharger Centrifugal, scroll-type engine, a compression ratio of 11.2:1. Out on the road, the H2 SX-SE Ninja delivers 197.3 hp @ 11000 rpm of peak power and 137.3 Nm @ 9500 rpm of torque. In everyday use, the 2021 H2 SX-SE Ninja tips the scales at 256 kg, carries a 19-litre fuel tank, offers a seat height of 835 mm and spans a 1480 mm wheelbase. That's roughly 8.1 kg heavier than the average sport touring motorcycle in our database. Every technical detail, from suspension travel to tyre sizes, is covered in the full 2021 Kawasaki H2 SX-SE Ninja spec sheet below.
2021 H2 SX-SE Ninja - Pros & Cons
Strengths
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Strong power output: Peak output on the H2 SX-SE Ninja is 197.3 hp @ 11000 rpm and 137.3 Nm @ 9500 rpm of torque - strong numbers for what it is.
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Fuel injection: No choke, no jetting, no altitude compensation to think about - fuel injection just works across a wider range of conditions than carburetion.
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Large fuel range: With a 19-litre tank, this isn't a bike you'll be stopping for fuel every hour - a real asset on longer trips.
Considerations
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Tall seat height: A 835 mm seat puts flat-footing out of reach for a lot of riders - sit on it in person before committing.
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Chain final drive upkeep: A chain drivetrain is the most common setup in its class, but it's also the one that demands the most regular hands-on maintenance.
Wear Points & Servicing Notes
Cooling system servicing
With Liquid cooled, thermal management is largely automatic, but the coolant has a service life of its own - replace it on the manufacturer's interval to protect the water passages and thermostat.
Fuelling & injector care
Fuelling on the H2 SX-SE Ninja comes from fuel injection: φ40 mm x 4 with dual injection. Cold starts and throttle response stay consistent across altitude and temperature, the main practical edge over a carbureted equivalent.
Brake disc and pad wear
Dual 320 mm discs, radial-mount, opposed 4-piston calipers, dual semi-floating up front provides the primary stopping power; inspect disc thickness and pad wear at each tyre change to catch scoring before it becomes a rotor replacement.
Suspension condition on used examples
Suspension duties are handled by 43 mm Inverted fork with rebound and compression damping, spring preload adjustability and top-out springs up front and Uni-Trak with gas-charged shock, piggyback reservoir, dual-range at the rear. Weeping fork seals aren't a dealbreaker on a used bike, but they're a fair basis for negotiating price.
Final drive maintenance
Chain final drive on the H2 SX-SE Ninja means routine lubing and tension checks are part of ownership - skip them and sprocket wear accelerates noticeably.
Frame & chassis check
The Trellis, high-tensile steel, with swingarm mounting plate chassis holds up well with normal use; on a used bike it's still worth checking the head-stock and swingarm pivot area for impact damage or corrosion.
Handling the weight at a standstill
The H2 SX-SE Ninja's 256 kg kerb weight is worth factoring into how you handle it at a standstill - parking-lot manoeuvres need a bit more deliberate technique than on a lighter machine.
H2 SX-SE Ninja - Buying & Maintenance Guide
What to check before buying
A pre-purchase check on the 2021 Kawasaki H2 SX-SE Ninja should cover the same ground every time: service history, chain and sprocket condition, and any oil seepage around the casings. Start it from cold if you can - a well-kept H2 SX-SE Ninja settles to a smooth idle within seconds.
Oil and filter changes
Oil changes are the cheapest insurance you can buy for a H2 SX-SE Ninja's engine - keep to the manufacturer's interval rather than stretching it. Use the viscosity grade the manual specifies, not whatever's on sale.
Fuel system care
Injector systems like the H2 SX-SE Ninja's hold up well with basic care - decent fuel, an occasional cleaner additive, and draining old fuel before any layup longer than three months.
2021 Kawasaki H2 SX-SE Ninja - Frequently Asked Questions
What engine does the 2021 Kawasaki H2 SX-SE Ninja have?
The 2021 Kawasaki H2 SX-SE Ninja uses a Four Stroke, transverse four cylinder, DOHC, 16 valve, Supercharger Centrifugal, scroll-type engine with 998 cc of displacement. It is liquid cooled.
How much does the 2021 Kawasaki H2 SX-SE Ninja weigh?
The 2021 Kawasaki H2 SX-SE Ninja weighs 256 kg. This is the manufacturer's wet figure.
How much power does the 2021 Kawasaki H2 SX-SE Ninja make?
The 2021 Kawasaki H2 SX-SE Ninja produces 197.3 hp @ 11000 rpm of power and 137.3 Nm @ 9500 rpm of torque. These are peak figures.
What is the fuel tank capacity of the 2021 Kawasaki H2 SX-SE Ninja?
The 2021 Kawasaki H2 SX-SE Ninja has a 19-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 316-380 km between stops.
Is the 2021 Kawasaki H2 SX-SE Ninja suitable for shorter riders?
The 2021 Kawasaki H2 SX-SE Ninja has a seat height of 835 mm. This is towards the tall end of the spectrum and will require most riders under 175 cm to tiptoe at stops.
What brakes does the 2021 Kawasaki H2 SX-SE Ninja have?
The 2021 Kawasaki H2 SX-SE Ninja uses Dual 320 mm discs, radial-mount, opposed 4-piston calipers, dual semi-floating at the front and Single 250mm disc, opposed 2-piston calipers at the rear.
What tyre sizes does the 2021 Kawasaki H2 SX-SE Ninja use?
The 2021 Kawasaki H2 SX-SE Ninja runs 120/70 ZR17 M/C front and 190/55 ZR17 M/C rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
What gearbox does the 2021 Kawasaki H2 SX-SE Ninja have?
The 2021 Kawasaki H2 SX-SE Ninja is fitted with a 6-speed, return, dog-ring transmission.
Kawasaki H2 SX-SE Ninja Spec Evolution
The Kawasaki H2 SX-SE Ninja was produced across 2 model years (2019-2021). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.
| Specification |
2019 |
2021 |
| Max Power |
206.5 hp / 153.9 kW @ 11000 rpm |
206.5 hp / 153.9 kW @ 11000 rpm |
Key Specifications
Engine
Four Stroke, transverse four cylinder, DOHC, 16 valve, Supercharger Centrifugal, scroll-type
Power
197.3 hp / 147.1 kW @ 11000 rpm
Torque
137.3 Nm / 101.3 ft-lb @ 9500 rpm
Top Speed
Not published by manufacturer
Weight
256 kg / 564 lbs - SE 260 kg / 573 lbs
Fuel Capacity
19 Litres / 5 US gal
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Full 2021 Kawasaki H2 SX-SE Ninja Specifications
Year
2020 - 21
Make Model
Kawasaki H2 SX-SE Ninja
Seat Height
835 mm / 32.8 in
Wheelbase
1480 mm / 58.3 in
Ground Clearance
130 mm / 5.1 in
Height
1205 mm / 47.5 in - SE 1262mm / 49.6 in
Length
1205 mm / 47.5 in - SE 1262 mm / 49.6 in
Width
775 mm / 30.5 in
Fuel Capacity
19 Litres / 5 US gal
Wet Weight
256 kg / 564 lbs - SE 260 kg / 573 lbs
Displacement
998 cc / 60.9 cub in
Engine Detail
Four Stroke, transverse four cylinder, DOHC, 16 valve, Supercharger Centrifugal, scroll-type
Bore x Stroke
76 x 55 mm
Compression Ratio
11.2:1
Cooling System
Liquid cooled
Fuel Induction
Fuel injection: φ40 mm x 4 with dual injection
Ignition
Digital
Lubrication
Forced, wet sump with oil cooler
Starter
Electric
Clutch
Wet multi-disc, manual.
Final Drive
Chain
Final Drive Ratio
2.444 (44/18)
Gear Ratios
1st 3.077 (40/13) 2nd 2.471 (42/17) 3rd 2.045 (45/22) 4th 1.727 (38/22) 5th 1.524 (32/21) 6th 1.348 (31/23)
Primary Drive Ratios
1.480 (74/50)
Transmission / Drive
6-speed, return, dog-ring
Frame Type
Trellis, high-tensile steel, with swingarm mounting plate
Suspension - Front
43 mm Inverted fork with rebound and compression damping, spring preload adjustability and top-out springs
Suspension - Rear
Uni-Trak with gas-charged shock, piggyback reservoir, dual-range (high/low-speed) compression damping, rebound damping and preload adjustability, and top-out spring
Rake
24.7°
Steering Angle
30° Right / 30° Left
Trail
103 mm / 4.0 in
Wheel Travel - Front
120 mm / 4.7 in
Wheel Travel - Rear
139 mm / 5.5 in
Brakes - Front
Dual 320 mm discs, radial-mount, opposed 4-piston calipers, dual semi-floating
Brakes - Rear
Single 250mm disc, opposed 2-piston calipers
Tyres - Front
120/70 ZR17 M/C (58W)
Tyres - Rear
190/55 ZR17 M/C (75W)
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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