STAGE 1 OUTLANDER 850 2025+
STAGE 1 OUTLANDER 850 2025+
STAGE 1 OUTLANDER 850 2025+
STAGE 1 OUTLANDER 850 2025+
STAGE 1 OUTLANDER 850 2025+
STAGE 1 OUTLANDER 850 2025+
PRECISION EFI

STAGE 1 OUTLANDER 850 2025+

$1,729.99 $1,629.99 Save $100.00
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The Precision EFI Stage 1 adds 18 WHP to the Outlander 850. That's 24% more power to the wheels. To achieve those gain, our adjustable clutch weights included in this kit are mandatory. 

Thanks to their optimized profile, the PEFI ramps deliver better acceleration and mid-range performance by increasing engine RPM at all speeds. Look at the dyno results sheet how these ramps place the engine precisely in its optimal RPM range—nearly 1000 RPM higher at 30 km/h. Of course, like all adjustable ramps, they allow you to add or remove weight to fine-tune the maximum RPM during full acceleration.


Get the best of both worlds with an innovative profile.

You've probably noticed the two-stage profile, which delivers the performance mentioned above while also providing a more normal RPM range when cruising on long rides.

 

 Stage 1 for 850 consists of :

-Stage 1 Reflash & ECU Unlock

-PEFI Adjustable clutch weights


Adjustable Speed Limit

Precision EFI have developped an adjustable speed limit for the learning key. 

The adjustment is only possible with the performance key. Once adjusted to your desired speed , the learning key will be limited.

  • ECU lifetime warranty included after this unlock service
  • Get quicker and more precise throttle response
  • 10% increase in fuel economy at cruising speeds
  • Eliminates engine stalling and idle dips on throttle release
  • Reduced exhaust heat at steady throttle (cooler between the legs and under the seat)
  • All speed limiters removed
  • Significantly smoother throttle delivery 
  • ECU unlocking service included.

 

This flash works with 87 Octane fuel, but we highly recommend using 91 Octane exclusively.

AVAILABLE FOR ALL OUTLANDER 850 2025+, including the 6X6 !

Keep the OEM ECU and all its must-have features

The new ECU in your Outlander 850 2025+, the Bosch MG1 is by far the most advanced in the ATV industry. The new Bosch ECU is almost 2 years of development from a group of BRP and Bosch engineers. Without a significant investment made by an ultra-experienced and competent firm, it's impossible to match this technological advanced ECU.
The MG1 incorporates several essential features such as Cold Start Technology and the ultra-advanced and adaptive knock system that acts instantly to adjust the engine setting depending on the quality and octane rating to eliminate the risk of engine damage.

Ramp adjustment starting point
For a stock spring and helix combination in good condition, to achieve the target RPM. Please note; a modified spring and helix combination or tire size affects the final result. Therefore, we cannot provide settings for every application.

The test should be performed as follows: accelerate quickly but gradually to avoid slippage. While accelerating, wait for the RPM to stabilize, then take an RPM reading. If the RPM is too high, add weight; if too low, reduce the weight. 
Note that surface conditions vary and affect RPM.
The 6-wheel model will not be too far from these settings because even though it is heavier it has a different gearbox ratio.
- 76g PEFI adjustable ramps
- Target RPM: 7800  
- add 2.8 g on each ramp (use purple or blue Loctite). 
- A screw head flush with the top of the hole (at the heel) is the most common setting.

* With this flash, the ECU Unlock service is included and feature a lifetime warranty on the ECU Click here for more information 

Fits all 2025+ Outlander 850

choose between two options

go to a Dealer

Get your ECU Flash by a simple plug into the diagnostic of your powersport vehicle by one of our certified dealers

See Dealer locator

Send-in

You can send us your ECU.
You only need to fill out this form.

Fill ecu send-in form

you hesitate ?

Did you know that whenever you want you can improve your stage !
You just have to pay the difference between both stages !
This gives you the flexibility to start with the first stage option and upgrade to a more powerful stage without having to pay the full price again.

Did you know you can also add a warranty to your modified vehicle ? 

click here

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