RIVA Yamaha FX SVHO 2019-2021 Stage 1 Performance Kit
Black Friday 2026 - 10% off sitewide
RIVA Yamaha FX SVHO 2019-2021 Stage 1 Performance Kit
Unlock a significant performance increase from your 2019 Yamaha FX SVHO with this proven Stage 1 Performance Kit.
Designed as a straightforward bolt-on upgrade package, the Stage 1 kit combines ECU tuning with RIVA’s performance ride plate to improve acceleration, increase top speed and sharpen the handling characteristics of the FX SVHO.
RIVA test data shows an increase from approximately 68 mph in standard form to around 75 mph with the Stage 1 setup, with engine speed increasing from approximately 7,700 RPM to 8,100 RPM. Actual results will vary depending on fuel, rider weight, water conditions, altitude and individual craft specification.
Kit Includes
Maptuner Nano Yamaha 2018+ 1.8L / 1.9L Bundle
A smartphone-controlled ECU tuning and diagnostic system allowing you to programme compatible Maptuner performance tunes directly to the watercraft.Features include:
Wireless Bluetooth connection to compatible Android and iOS devices
ECU performance tuning without sending the ECU away
Ability to switch between compatible performance tunes
Restore the ECU to standard settings if required
Read and clear diagnostic fault codes
Access to the tuning library with the appropriate vehicle licence
KIT INCLUDES RIVA Yamaha FX Performance Ride Plate – RY21120
Designed specifically for the later FX hull, the RIVA ride plate improves high-speed performance and provides more positive handling characteristics.
Expected Performance
RIVA published test results:
Standard: Approx. 68 mph @ 7,700 RPM
Stage 1: Approx. 75 mph @ 8,100 RPM
Results on individual machines will vary.
JetSeaHub supplies RIVA Racing and Maptuner performance products for Yamaha personal watercraft, with technical support available for installation, ECU programming and compatible upgrade packages.
If you are unsure whether this kit is suitable for your exact FX SVHO, contact us with the model, year and current modifications before ordering.
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