WSRD Polaris RZR Pro R Stock Injector ECU Flash
The long-awaited WSRD Polaris RZR Pro R Stock Injector ECU Flash is here. Developed for the naturally aspirated 4-cylinder Polaris RZR Pro R, this ECU calibration is designed to unlock more horsepower, improve drivability, and give your machine stronger overall performance while still running on the factory stock injectors.
WSRD has put serious time into extracting as much safe, usable power as possible from the Pro R platform, and the results speak for themselves. Whether you’re looking for a stronger trail machine, more top-end performance, or a better all-around driving experience, this flash is a major upgrade over the stock ECU calibration.
What’s Included?
When Selecting ECU Bench Flash
- WSRD Bench Flash Service
- Your selected fuel option loaded to the ECU
- One tune file loaded at a time
When Selecting ECU Bench Flash + Whalen’s Speed RTD
- WSRD Bench Flash and Unlock Service
-
All fuel options available to the end user when RTD is included:
- 91 Octane
- 93 Octane
- E85
This option gives you the flexibility to access multiple fuel calibrations rather than being limited to a single file.
Power Gains
Stock ECU Calibration
- 202 Hub Horsepower
- 225 Crank Horsepower
WSRD 91 Octane Flash
- 216 Hub Horsepower
- 240 Crank Horsepower
WSRD 93 Octane Flash
- 222 Hub Horsepower
- 246 Crank Horsepower
WSRD E85 Flash
- 231 Hub Horsepower
- 256 Crank Horsepower
If you're looking for a noticeable performance gain from your Polaris RZR Pro R ECU tune, WSRD’s stock injector flash delivers strong gains across multiple fuel options.
Acceptable Fuel Types
91 Octane Tune
- Premium 91 Octane
- Up to 10% Ethanol
- 90/91 octane recreational fuels may also be used
93 Octane Tune
- Premium 93 Octane
- Up to 10% Ethanol
- 91 octane / race gas blends are acceptable
E85 Tune
- One Ethanol S
- Ignite Orange
- VP C85
- Gas Station E85
Important:
E85 must test at a minimum of 70% ethanol content (E70). Please use the supplied ethanol tester before use.
Tune Features
This WSRD RZR Pro R ECU Flash includes several important performance and drivability improvements:
- Speed limiter removed
- Rev limiter raised to 9100 RPM
-
Radiator fan activation lowered to 185°F
(factory fan activation is 205°F) - Start in gear enabled
- Two-foot operation enabled
- Cylinder-to-cylinder fueling balance adjusted
- Cylinder-to-cylinder ignition timing balance adjusted
- And more
If you are looking for custom requests or other tune options, please contact us for additional availability.
Why Choose This Tune?
The WSRD Polaris RZR Pro R Stock Injector ECU Flash is a great option for customers who want more power from their Pro R without stepping up to injector changes right away. It delivers:
- More horsepower and torque
- Improved throttle response
- Better drivability
- More aggressive overall performance
- Flexible fuel options depending on setup
Whether you ride dunes, desert, trails, or open terrain, this ECU flash helps wake up the Pro R and make the most of the naturally aspirated engine platform.
