Gabro Racing RS660 Race Parts Catalog Released!

We’ve spent the last five years working on the 660 platform to squeeze every single extrahorsepower out of it. A tough job as it already delivers outstanding performance in stock form! There are no “easy tricks” here, just long nights of study and hard work. With these parts, you’ll be able to build on yourContinue reading “Gabro Racing RS660 Race Parts Catalog Released!”

Arrow De-Kat Midpipe for Aprilia RSV4 / TuonoV4 2025–2026 (Euro 5+)

As you may already know, Aprilia has finally moved away from its decade-long design using a single catalytic converter inside the tailpipe. For the new 2025 RSV4 and TuonoV4 (Euro 5+ compliant), the OEM exhaust system now features a dual catalytic converter integrated into the header “kat-box”, located right under the engine. This change meansContinue reading “Arrow De-Kat Midpipe for Aprilia RSV4 / TuonoV4 2025–2026 (Euro 5+)”

Tone Wheel Sync Procedure for P1309 Error – “RPM Bomb” (Aprilia/Guzzi Euro 5 and Euro 5+ Models)

Applicable Models Aprilia Tuono V4, RS660, Tuono 660, Tuareg 660 (from MY2021 onwards), and other vehicles equipped with Marelli Euro 5 / Euro 5+ ECUs. Purpose This procedure resolves the activation of the MIL (Malfunction Indicator Light) and clears the P1309 error code, which is related to a flywheel synchronization issue or false misfire detection.Continue reading “Tone Wheel Sync Procedure for P1309 Error – “RPM Bomb” (Aprilia/Guzzi Euro 5 and Euro 5+ Models)”