400i 0.4L - 20ch Tuning
Kymco UXV — Detailed power and torque gains by stage.
Gains by stage(3)
Power
20 hp
Torque
39 Nm
essence
Power
20→20ch
Torque
39→39Nm
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Everything about 400i 0.4L - 20ch tuning
Tuning the 400i 0.4L - 20ch found in the Kymco UXV is one of the most popular performance upgrades. This engine offers excellent potential for power and torque gains.
On ChiptuneMAP, find verified gain data for each stage, compare tuner prices and find the ideal professional for your project.
Gains summary by stage
On the Kymco UXV 400i 0.4L - 20ch, tuning delivers up to +0 hp and +0 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 20 → 20 hp | 39 → 39 Nm | — |
| E85 Flexfuel | 20 → 20 hp | 39 → 39 Nm | — |
| E85+ | 20 → 20 hp | 39 → 39 Nm | — |
Frequently asked questions
What gains can I expect from tuning the 400i 0.4L - 20ch?
Tuning the 400i 0.4L - 20ch (Kymco UXV) delivers significant power and torque gains depending on the chosen stage. Stage 1, with no hardware modifications, offers the best gain-to-reliability ratio.
Is tuning reliable on the 400i 0.4L - 20ch?
Yes, the 400i 0.4L - 20ch is known for its reliability when tuned, especially at Stage 1. It's essential to use a certified tuner with maps tailored to your engine.
How much does Kymco UXV tuning cost?
Prices vary by stage and tuner. Check our directory to compare rates from professionals near you.
Should I get a tuning box or an ECU remap?
ECU remapping (modifying the engine control unit map) delivers better results and integration than a plug-in tuning box. It's customized for each engine.
How do I find a tuner for my Kymco UXV?
Use the ChiptuneMAP directory to find a certified tuner near you. Compare reviews, prices and specialties.