STAGE 1 - MOUNTAIN MAX 21+
STAGE 1 - MOUNTAIN MAX 21+

STAGE 1 - MOUNTAIN MAX 21+

Regular price $599.99
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STAGE 1 - 160 HP

Stage 1 adds 8HP to your 2021 Yamaha Mountain Max.​

With this 8HP gain, you will also get a better throttle response.​

This package has been tested and developed for trail and mountain riders.​

You will have to install some adjustable ramps to lower down the RPM. The ideal engine speed is around 7900RPM.

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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