XV Tuner
The #1 ECU tuning tool for Aprilia SXV, RXV, and MXV motorcycles — designed, engineered, and shipped since 2008. Custom USB hardware, reverse-engineered ECU protocols, Windows tuning software, 50+ race maps, and a worldwide rider community.
In 2007, Aprilia killed the SXV supermoto. The factory ECU was a known weak point — rough fueling, jerky throttle, no fix available. Dealers couldn’t help. Aprilia didn’t care.
So we reverse-engineered the ECU. Built a cable. Wrote the software. Published the maps. Shipped it worldwide.
XV Tuner is the only tuning tool on the planet for the Aprilia SXV, RXV, and MXV family. 318+ verified reviews. 4.8 out of 5. Active since 2008.
This isn’t a client project — it’s our own product, built and sold by null2.one.
The Aprilia SXV 550: 70 hp V-twin, 130 kg. Legendary supermoto — with a factory ECU that held it back.
The XV Tuner cable: custom-pinned connector for the Aprilia Walbro ECU diagnostic port. €199.99 at xvtuner.comThe problem
The Aprilia SXV 450 and 550 were legends — V-twin supermotos that made 70 hp in a 130 kg chassis. Raw, brutal, and flawed from the factory.
The ECU — a Walbro unit with proprietary firmware — was the bottleneck. Inconsistent fueling. Jerky throttle response. Factory calibration tuned for emissions, not performance. And unlike Japanese bikes, there was no aftermarket ECU scene. No Power Commander. No Bazzaz. Nothing.
When Aprilia discontinued the line, riders were stuck with bikes they loved and ECUs they couldn’t fix. The official diagnostic software was locked behind dealer-only hardware costing thousands. That gap became our product.
”My SXV 550 runs better than it ever did from the factory.”— Marcus, Germany · Verified review, 4.8/5 from 318+ riders
What we built
USB Hardware
Custom FT232R-based cable. Plug-and-play on Windows with auto driver install. Custom-pinned ECU connector.
Protocol Reverse Engineering
Fully decoded the proprietary Walbro ECU protocol. Read, write, flash. Fuel maps, ignition, TPS, rev limiters, dual map mode.
Tuning Software
XV Tuner V1 and V2 desktop apps. One-click flash, TPS calibration, fault code reader, diagnostics. RomRaider for custom maps.
50+ Race Maps
Pre-made maps from AliceRacing, Akrapovic, Arrow, Slimotor. Organized by model and exhaust. One-click flash to ECU.
Multi-ECU Compatibility
Two ECU variants: ECU-C (Walbro) and ECU-G. Full support for ECU-C; adapter support for ECU-G across all models.
Guides & Support
14+ technical guides. Error code reference. 24/7 rider support. 12-month warranty. Active ApriliaForum community.
How it works
Plug in
Connect to laptop USB and the bike’s diagnostic port under the seat. Drivers install automatically.
Choose your map
Browse 50+ maps by model, exhaust, and riding style — or load a custom map from RomRaider.
Flash & ride
One-click ECU flash. TPS calibration. Clear fault codes. Unplug and go.
The V2 Cable Kit: everything you need for a tuning session — FT232R cable, software USB drive with 50+ maps, user guide, and carrying case.V3: built from scratch
XV Tuner V3
New custom-designed cable. New software built from scratch. Windows and macOS (Apple Silicon). Launching summer 2026. This isn’t an update — it’s a new product.
V3 Map Editor: built-in heatmap table editor with color-coded cells, compare mode, undo/redo, and 30+ editable tables per map. No more switching to RomRaider.
Live Data — 30 channels at 25 Hz with color-coded gauges and stream recording.
Maps Catalog — 100+ maps searchable by model, variant, and exhaust type. One-click upload.
Cylinder Offsets — per-cylinder fuel, ignition, and phase tuning with live sliders.
Multi-stage electrostatic discharge protection on every data line. Your €800 ECU is safe.
Connection state, data transfer, and power status at a glance. No more guessing.
Engineered from the ground up. New cable, new connector, new everything.
Automatic backup before every flash. Never lose a working configuration.
Compatible models
| Model | Engine | ECU | Support |
|---|---|---|---|
| SXV 450 | 449cc V-Twin | ECU-C (Walbro) | Full support |
| SXV 550 | 549cc V-Twin | ECU-C (Walbro) | Full support |
| RXV 450 (06–09) | 449cc V-Twin | ECU-C (Walbro) | Full support |
| RXV 550 (06–09) | 549cc V-Twin | ECU-C (Walbro) | Full support |
| RXV 450 (2010+) | 449cc V-Twin | ECU-G | Adapter required |
| RXV 550 (2010+) | 549cc V-Twin | ECU-G | Adapter required |
| MXV 450 | 449cc V-Twin | ECU-G | Adapter required |
| MXV 550 | 549cc V-Twin | ECU-G | Adapter required |
Why this matters
XV Tuner isn’t the biggest project in this portfolio. But it’s the most revealing.
It shows what happens when engineers who understand a domain deeply decide to build a product: reverse engineering, hardware design, software, supply chain, e-commerce, documentation, support — all under one roof, for 17 years and counting.
That’s the same approach we bring to every engagement.
Building a product that requires deep domain knowledge?
XV Tuner is what happens when engineers build for a community they belong to. If your product needs the same depth — we should talk.
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