STAGE 1 - 850 E-TEC - Precision EFI
STAGE 1 - 850 E-TEC - Precision EFI

STAGE 1 - 850 E-TEC

SKI-850-STG1

Regular price $375.00
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After several months of development followed by tests on dyno and in real conditions, here is the Precision EFI 850 E-TEC Stage 1 available for 2018,19 and 20. (2021 + currently in developpement)
One of the most important improvements of the new reflash is the optimization of combustion, which eliminates the loss of power when the tune pipe is hot. A drag race  between a barely warm 850 E-TEC and a hot one running for more than 30 minutes, clearly shows a good difference.
Thanks to the new Precision EFI  850 E-TEC Stage 1, the sensation of weak acceleration is gone, giving way to a more stable and efficient power curve with a significant gain of 6 hp, without changing or adding any parts.

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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