The 2021 Kawasaki Ninja 1000SX is a versatile sport-touring motorcycle that evolved from the Ninja 1000. Introduced in 2020, it typically features a single main trim with optional packages. Its popularity stems from its blend of exhilarating performance and long-distance comfort, making it a capable machine for both spirited rides and extended touring. The 2021 model offered an MSRP in the mid-$12,000 range.
The Good
The 2021 Ninja 1000SX excels with its potent and flexible engine, comfortable ergonomics for touring, and sharp, modern styling. It offers a reliable platform for daily commuting and long hauls, presenting strong value for its comprehensive feature set.
The Bad
Some riders find the suspension a bit soft for aggressive track use, and the wind protection, while good, could be enhanced for taller riders. Fuel range can also be a consideration on longer journeys due to its fuel tank size.
2021 Kawasaki Ninja 1000SX: Quick Overview
- Engine: 1043cc, liquid-cooled, four-stroke, inline-four
- Horsepower: Approximately 140 hp @ 10,000 rpm
- Torque: Approximately 71 lb-ft @ 8,000 rpm
- Fuel Economy: Estimated around 40-45 mpg (combined), actual mileage varies significantly with riding style.
- 0-60 mph: Approximately 3.0-3.5 seconds (depending on rider and conditions).
- Towing Capacity: Not applicable (motorcycle).
- Transmission: 6-speed constant mesh with assist and slipper clutch.
- Frame: Aluminum twin-spar.
- Suspension:
- Front: 41mm inverted cartridge fork, adjustable preload and rebound damping.
- Rear: Horizontal back-link gas-charged shock with adjustable preload and rebound damping.
- Brakes:
- Front: Dual semi-floating 320mm discs with radial-mount monobloc calipers and ABS.
- Rear: Single 250mm disc with 2-piston caliper and ABS.
- Tires:
- Front: 120/70ZR17M/C (58W)
- Rear: 190/55ZR17M/C (75W)
- Dimensions:
- Length: 83.7 inches
- Width: 32.3 inches
- Height: 53.9 inches
- Wheelbase: 56.7 inches
- Ground Clearance: 5.3 inches
- Seat Height: 32.0 inches
- Weight: Approximately 507 lbs (curb weight).
- Fuel Capacity: 5.0 gallons.
- Key Trim-Level Features (2021 model typically featured one primary trim with optional packages):
- LED headlights and taillight
- Adjustable windscreen
- Integrated saddlebags (optional)
- Electronic cruise control
- Kawasaki TRaction Control (KTRC) - 3 modes
- Power Modes (Full and Low)
- Electronic Throttle Valves (ETV)
- Integrated riding modes (Sport, Road, Rain, Custom)
- Smartphone connectivity via Bluetooth (Kawasaki Rideology app)
- TFT color instrument cluster
- Optional: Quick Shifter (downshifts), heated grips, taller windscreen, comfort seats.
2021 Kawasaki Ninja 1000SX Specifications
Vehicle Information
| Year | 2021 |
| Make | Kawasaki |
| Model | Ninja 1000SX |
| Trim | - |
| Style | - |
| Type | Motorcycle |
| Category | Motorcycle |
Manufacturing Details
| Made In | Japan |
| Manufacturing City | AKASHI |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 1043CC |
| Engine Size | 1043L |
| Engine Cylinders | 4 |
| Transmission | - |
| Transmission Type | - |
| Transmission Speeds | - |
| Drivetrain | - |
Additional Features
| Anti-Brake System | - |
| Steering Type | - |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | - |
| Invoice Price | - |
| Delivery Charges | - |
Vehicle History Report
Vehicle
Specifications
Specifications
Ownership
History
History
All History
Events
Events
NMVTIS Title
History Check
History Check
Salvage/Rebuilt
Check
Check
Accident
Check
Check
Theft
Check
Check
Open Lien
Check
Check
Past Sale
Listings
Listings
Safety
Recalls
Recalls
Odometer
Check
Check
Market Price
Analysis
Analysis
What Problems Does the 2021 Kawasaki Ninja 1000SX Have?
The 2021 Kawasaki Ninja 1000SX is generally regarded as a very reliable motorcycle, benefiting from Kawasaki's long history of producing robust inline-four engines. Most owner reports indicate a smooth and trouble-free experience. However, as with any complex machine, some minor issues have been occasionally reported by owners across various model years, including the 2021.
One area sometimes mentioned is the stock suspension, which some riders find to be on the softer side, particularly for very aggressive riding or track days. This is less of a mechanical fault and more of a tuning preference, easily addressable with aftermarket suspension components or professional adjustments for those seeking a firmer feel. Another point, though not a problem per se, is the relatively small fuel tank size for a sport-tourer, which can limit the maximum range between refueling stops, requiring more frequent pauses on extended tours. Some owners have noted minor electrical gremlins, such as intermittent connectivity issues with the Bluetooth app, though these are typically resolved with software updates or by ensuring proper pairing procedures.
Regarding recalls, it is crucial for owners to check the official Kawasaki recall database or consult their dealer with their VIN. Recalls can affect specific components and are addressed by manufacturers to ensure rider safety and product integrity. For the 2021 model year, any recalls would have been issued by Kawasaki to address specific manufacturing defects or safety concerns. As of current knowledge, there are no widespread, systemic issues that plague the 2021 Ninja 1000SX. Its long-term reliability is expected to be high, mirroring the solid reputation of its predecessor, the Ninja 1000, provided routine maintenance schedules are adhered to. Regular oil changes, chain maintenance, and inspections of wear items are key to ensuring longevity.
How long will the 2021 Kawasaki Ninja 1000SX last?
Based on owner data and typical usage patterns for sport-touring motorcycles, the 2021 Kawasaki Ninja 1000SX can realistically be expected to last for well over 100,000 miles with proper and consistent maintenance. Kawasaki's inline-four engines are known for their durability. Weaknesses that might emerge over extensive mileage would likely be related to standard wear and tear on components like the clutch, suspension seals, and wheel bearings. The engine itself, if regularly serviced with quality oil and filters, should remain strong for a very long time. The electrical system and electronics are generally robust, but like any modern vehicle, they are more complex and could potentially develop issues over many years of use. Overall, the Ninja 1000SX is built for longevity, making it a sound long-term investment for riders who take care of their machines.
What Technology & Safety Features are Included?
The 2021 Kawasaki Ninja 1000SX is well-equipped with modern technology, blending rider aids with convenience features. The most prominent tech feature is the full-color 4.3-inch TFT instrument cluster, which offers excellent readability and customizable displays. This display connects wirelessly via Bluetooth to Kawasaki's Rideology app, allowing riders to view vehicle information, log ride data, check maintenance status, and even adjust certain settings remotely.
Safety and rider assistance features are robust for its class. The bike comes standard with Kawasaki TRaction Control (KTRC), offering three distinct modes. Mode 1 and 2 are tuned for sporty riding, while Mode 3 provides maximum traction for confident acceleration in slippery conditions. It also features Power Modes, allowing selection between full power and a reduced power output, catering to different riding scenarios or rider preferences. Electronic Throttle Valves (ETV) enhance control and enable features like cruise control. The standard Anti-lock Brake System (ABS) is a crucial safety component, working with capable brake hardware to provide reliable stopping power.
Optional features significantly enhance the touring and convenience aspects. For 2021, optional accessories included integrated color-matched hard saddlebags, a quick shifter for seamless upshifts and downshifts, heated grips for cold-weather riding, and a taller windscreen for improved wind protection. While Kawasaki doesn't typically subject their motorcycles to the same type of crash-test ratings as automobiles (e.g., NHTSA or IIHS), the design incorporates features aimed at rider safety and stability. The chassis design, the electronic rider aids, and the quality of the braking system all contribute to an overall safe and confidence-inspiring riding experience. The presence of an assist and slipper clutch also reduces lever effort and mitigates rear-wheel hop during aggressive downshifts, further enhancing safety and control.
What Colors Options are Available?
We’re working on this section!
In the meantime, feel free to explore the other sections for more content.
In the meantime, feel free to explore the other sections for more content.
2021 Kawasaki Ninja 1000SX Prices and Market Value
When new, the 2021 Kawasaki Ninja 1000SX had an MSRP typically ranging from around $12,599 to $13,999, depending on whether it included optional packages like the integrated saddlebags. Current used market prices for a 2021 model, as of late 2023/early 2024, generally fall between $9,000 and $11,500. This range is influenced by mileage, condition, installed accessories, and overall market demand. The Ninja 1000SX exhibits moderate depreciation; it holds its value relatively well compared to some other motorcycle segments, particularly within the first few years. Factors that positively affect resale value include low mileage, excellent maintenance records, the presence of desirable factory or high-quality aftermarket accessories (like a good exhaust system or luggage), and a clean title. Conversely, high mileage, signs of neglect, or damage will significantly reduce its resale value.
2021 Kawasaki Ninja 1000SX Cost of Ownership
Owning a 2021 Kawasaki Ninja 1000SX is moderately economical. Insurance costs vary by rider profile and location but are generally competitive for a sport-touring motorcycle of its displacement, likely in the $600-$1200 annual range. Fuel costs depend on riding habits; at an average of 40-45 mpg, it's reasonable, costing roughly $10-$15 per 100 miles. Routine maintenance (oil changes, chain lube, tire replacements) will add approximately $300-$700 annually. Major repairs are less common due to its reliability but can be costly, as with any performance motorcycle. Overall, the Ninja 1000SX offers good value, balancing performance and touring capability with manageable ownership expenses.
2021 Kawasaki Ninja 1000SX Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2021 Kawasaki Ninja 1000SX Warranty
Basic
Original warranty
0 months / No data
Estimated remaining
Expired
Powertrain
Original warranty
0 months / No data
Estimated remaining
Expired
Rust
Original warranty
0 months / No data
Estimated remaining
Expired
2021 Kawasaki Ninja 1000SX Insurance
Insurance for a 2021 Kawasaki Ninja 1000SX is moderately priced, reflecting its status as a Motorcycle with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2021 Kawasaki Ninja 1000SX Compare to Other Motorcycle?
The 2021 Kawasaki Ninja 1000SX occupies a unique niche as a sport-tourer, often compared with bikes like the Yamaha Tracer 9 GT, Suzuki GSX-S1000GT (though the GT is a later model, its predecessor, the GSX-S1000F, is a contemporary), and sometimes the BMW F 900 XR.
Performance: The Ninja 1000SX boasts a strong, characterful inline-four engine that offers exhilarating power delivery, especially in the mid-to-high RPM range. It's potent enough for spirited riding but manageable for touring. The Yamaha Tracer 9 GT, with its CP3 triple engine, offers a different but equally engaging power delivery, often feeling more nimble. The BMW F 900 XR provides a more commuter-friendly, less aggressive power curve, focusing on torque.
Features: Kawasaki packed the Ninja 1000SX with excellent features for its price point, including TFT display, Bluetooth connectivity, cruise control, and KTRC. The Yamaha Tracer 9 GT often comes with more premium features like electronic suspension and a quickshifter standard, pushing its price higher. The BMW F 900 XR also offers a good suite of tech, with optional packages adding more advanced rider aids and connectivity.
Reliability: Kawasaki has a stellar reputation for engine reliability, and the Ninja 1000SX is no exception. It's built on a proven platform. Yamaha and Suzuki also have strong reliability records. BMW motorcycles, while generally good, can sometimes have higher maintenance costs and potentially more complex electronics that might require specialized servicing.
Price: The 2021 Ninja 1000SX offered excellent value, typically priced below comparable fully-equipped rivals like the Tracer 9 GT. This makes it a compelling choice for budget-conscious buyers who don't want to compromise significantly on performance or features.
Recommendations:
* Similar Alternative: The Suzuki GSX-S1000F (if available used from around that era) offers a more pure sportbike feel with less touring focus but a potent engine and good reliability, though it may lack some of the Ninja's comfort features and tech.
* Slightly More Premium: The Yamaha Tracer 9 GT is a strong contender if your budget allows. It offers slightly more advanced suspension and a standard quickshifter, making it an even more refined sport-touring machine.
* More Adventure-Oriented: If you lean more towards adventure touring with less emphasis on aggressive sport riding, the BMW F 900 XR is worth considering for its upright ergonomics and versatile chassis, though its outright performance is less than the Ninja.
Final Verdict: Is the 2021 Kawasaki Ninja 1000SX a Good Motorcycle?
The 2021 Kawasaki Ninja 1000SX is an exceptional choice for riders seeking a versatile sport-touring motorcycle that balances exhilarating performance with genuine long-distance comfort. It is ideal for experienced riders looking for a capable machine for daily commuting, spirited weekend rides, and comfortable multi-day tours. Its blend of power, rider aids, and comfortable ergonomics makes it less intimidating than a pure supersport but far more engaging than a standard sport-tourer. It is definitely worth buying, especially on the used market where it offers tremendous value. Buying a used model, particularly one with low mileage and well-maintained, is often the sweet spot. Opting for a trim with factory-integrated saddlebags enhances its touring prowess significantly. For riders who want one motorcycle to do it all, the Ninja 1000SX is a fantastic, well-rounded option.
Simon A
Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.