
The facts.
| Brand | K-Tech |
|---|---|
| Part number | 055-55.KA04.07 |
| Fitment | Kawasaki Ninja 400 (2018–2023) |
| Inner diameter | 18.00 mm |
| Outer diameter | 8.00 mm |
| Overall length | 250.00 mm |
| Stroke | 65.00 mm |
| Upper mount type | Eye — 8.00 mm bolt |
| Lower mount type | Eye — 8.00 mm bolt |
DescriptionThe whole story▼
Confidence in the saddle comes from knowing your steering is composed and precise, whether you are threading through traffic or pushing hard into a corner. The K-Tech steering damper for the Kawasaki Ninja 400 (2018–2023), developed in collaboration with Toby Dampers, eliminates the wobble and tank-slapper events that can unsettle even experienced riders — transforming the Ninja 400 into a calmer, more composed machine across every condition.
Key Features
- Adjustable damping force lets you tune steering response to suit your exact riding style and conditions, from relaxed road touring to committed track days.
- Lightweight aluminium construction keeps unsprung and chassis weight to a minimum while delivering the rigidity needed to suppress high-speed oscillation.
- Eye-to-eye mounting at both ends using 8 mm fasteners provides a positive, rattle-free connection that stays tight under sustained vibration.
- Complete mounting hardware included in the box means no hunting for obscure fixings — the kit arrives ready to install.
- Fully serviceable internals ensure a long service life; the damper can be rebuilt rather than replaced when the time comes.
- Equally at home on road and track, making it the natural upgrade for Ninja 400 Cup competitors and everyday commuters alike.
Performance on Road and Track
The Kawasaki Ninja 400 is a highly capable middleweight, but at higher speeds or on broken road surfaces the stock steering geometry can allow unwanted head-shake to develop. The K-Tech damper provides a precisely calibrated resistance that absorbs those impulses before they escalate, giving the front end a reassuringly planted feel without artificially weighting the steering for slow-speed manoeuvres. The result is a ride that feels more settled all day — less fatiguing on long road miles and more confidence-inspiring at the limit on circuit.
Build Quality
K-Tech's collaboration with Toby Dampers brings motorsport-derived engineering to a bolt-on street product. The 250 mm overall length and 65 mm stroke are matched specifically to the Ninja 400's steering geometry, and the aluminium body is machined to tight tolerances for smooth, consistent damping across the full range of adjustment. The eye-type upper and lower mounts distribute load evenly through 8 mm bolts, eliminating stress concentrations that can cause premature wear on lesser designs.
Fitment and Compatibility
This steering damper is designed and supplied to fit the following motorcycle:
- Kawasaki Ninja 400 — model years 2018, 2019, 2020, 2021, 2022 and 2023
Installation must be carried out by an authorised K-Tech Service Centre. Specialist tooling and technical knowledge are required to ensure correct fitment and safe, optimal operation of the damper.
Specifications
| Specification | Detail |
|---|---|
| Part Number | 055-55.KA04.07 |
| Brand | K-Tech |
| Inner diameter | 18.00 mm |
| Outer diameter | 8.00 mm |
| Overall length | 250.00 mm |
| Stroke | 65.00 mm |
| Upper mount type | Eye |
| Upper mount bolt diameter | 8.00 mm |
| Lower mount type | Eye |
| Lower mount bolt diameter | 8.00 mm |
| Fitment | Kawasaki Ninja 400 (2018–2023) |
What's includedEverything in the box▼
- 1x K-Tech steering damper for Kawasaki Ninja 400 (2018–2023)
- Mounting hardware for secure installation
FitmentWhich bikes this fits▼
- Kawasaki Ninja 400 (2018–2023)
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Measure your head circumference about one centimetre above your eyebrows and compare it with the size chart on this page. Between sizes? Choose the smaller one — the padding beds in with use.
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