Kawasaki·Roadster·399cc·A2 NATIF

Z400

↘ Evolution history · 2019 → present
7
Years of production
2
Generations
399
current cc
45
Horsepower
7
Vintages

The Ninja 400's naked sibling. Native A2 399cc twin, lightweight 167kg trellis frame — the A2 roadster with a sporting soul.

↓ Changes year by year
Gen 2 · 2023 — present
EURO 5 — EUROPEAN RETURN

After two years absent in Europe, the Z400 returns for 2023 with Euro 5 compliance. Torque slightly revised to 37Nm (−1Nm), power maintained at 45hp. Same recipe: native A2 399cc twin, 167kg trellis frame, dual-channel ABS and slipper clutch standard.

2025
AAesthetics
New colours and minor styling tweaks — mechanicals unchanged
Minor
2024
AAesthetics
New colours — mechanicals unchanged
Minor
2023
MEngine
Euro 5 compliance — torque reduced to 37Nm (−1Nm) — 45hp power retained
Major
AAesthetics
New colours — Metallic Matte Graphenesteel Gray / Pearl Robotic White
Minor
Buyer radar
2023

Euro 5 + European return. ABS, slipper, 45hp A2 — recipe intact. The reference naked 400cc roadster.

TOP BUY
Gen 1 · 2019 — 2022
EURO 4 LAUNCH

The naked derivative of the Ninja 400, the Z400 takes the 45hp 399cc twin into a lightweight trellis frame with Sugomi Z styling. Dual-channel ABS and assist clutch standard from launch, it targets A2 riders from the outset. Absent from the European market from 2021 to 2022 due to lacking Euro 5 compliance.

2022
AAesthetics
Partial restyle and new colours — US/rest of world only, absent in Europe
Minor
2021
AAesthetics
Pearl Nightshade Teal / Metallic Flat Spark Black — withdrawn from European catalogue (Euro 5 non-compliant)
Minor
2020
AAesthetics
New Candy Lime Green / Metallic Spark Black colour
Minor
2019
MEngine
Launch — 399cc DOHC liquid-cooled twin — 45hp (33.4kW) / 38Nm at 8,000 rpm
Major
CFrame
Steel trellis frame — 167kg wet weight — 785mm seat height — 1,370mm wheelbase
Major
MEngine
Assist and slipper clutch standard fitment
Major
SSafety
Dual-channel ABS standard — 310mm 2-piston front disc / 220mm 2-piston rear disc
Major
CFrame
110/70 R17 front / 150/60 R17 rear tyres — 14L fuel tank
Major
Buyer radar
2020

Proven 399cc twin, native A2. The best fun-per-euro used buy before the Euro 5 return.

TOP BUY
2019

Well-sorted first model year — check service history. Good buy with a clear record.

GOOD PICK