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Exhaust guillotine Rotax Max (4) (2)

The exhaust guillotine Rotax Max is a mobile pneumatic valve that varies the height of the exhaust light. It allows to get a "full" engine at low speed while freeing all the power (about 7,500 rpm) when the valve opens. It is a critical piece that requires irreproachable cleanliness to avoid "holes" with acceleration.

Specification	Technical details
Product type	Guillotine / Pneumatic Exhaust Valve
Mark	Rotax Racing (Original Genuine Parts)
Material	High resistance metal alloy to thermal stresses
Motor compatibility	Rotax Max 125cc (Senior, Master, Junior)
Mechanical role	Adjusts the exhaust light height (down torque / speed up)
Board revision	Check the orange bellows, spring and seal O'Ring to replacement

?️ The history of the pilot: the key to sing your Rotax to all regimes

* In full stimulus after a pin turn, you crush the right pedal. If your guillotine remains glued by the calamine, your engine hesitates, grazes and lets spin your opponents. A few meters further, in the big straight line, you need your engine breathe full lungs to look for the last kilometer / hour ...

The exhaust valve is the conductor of your climb to the diet.

In the low position, the original exhaust guillotine Rotax Max restricted the light to offer you a devastating couple at the output of curve. As soon as the towers climb, the pressure catapultes upward to release the passage of the gases and maximize your advanced speed. A simple mechanical piece in appearance, but decisive to sign the perfect turn. *

?️ Complete description of the official exhaust guillotine product Rotax Max - 125 Senior Engines, Master, Junior

Ensure irreproachable engine efficiency throughout your range of use thanks to the guillotine (valve) official exhaust Rotax Max. Key element of the Austrian brand's 125cc pneumatic valve system, this part adjusts the height of the exhaust light in real time depending on the engine speed.

Made in a specific alloy designed to withstand extreme temperatures and combustion gases, it guarantees fluid sliding and excellent life. Its role is twofold:

In the low position: It promotes compression and pair at low speed for frank releases in tight turns.
In high position: It releases the entire gas evacuation channel to allow the engine to take all of its peak towers.

? CARD OF MAINTENANCE:

When replacing your guillotine, it is strongly recommended to check the status of the peripheral elements: the orange bellows, the reminder and the o-ring sealing. A perfectly sealed pneumatic system is essential for the right triggering of the valve.

?? Tip in Michel (the mechanical corner)

* "Listen to me well: guillotine, it's the lung of your Rotax. If it is calmane, your engine will graze or row out of curve.

My secret? After each day of rolling, disassemble it and clean it with a degreaser or a little straw very fine iron. It must slide as in butter. If you force to return it, it's because you have a calamine concern! "*

? Tuto: how to fix and go up his guillotine ?

1.The mounting in the cylinder:2 min.

Inserts the guillotine into the cylinder housing by paying attention to the meaning (the beveled part oriented downwards). Check that the seal is flat to avoid any oil leakage.

2.The setting of the upper wheel:2 min.

The black wheel on top manages the spring voltage:

• Visse (clockwise): The valve opens later (ideal for winding tracks requiring couple).

• Devise (counter-clockwise): the valve opens earlier (ideal for large fast traces).

3.The dry sliding test:1 min.

Engine off, lifts the guillotine by hand via the bellows: it must instantly go down alone under the action of the spring. If it stays blocked at the top, cleans right away !

❓ FAQ SEO (Frequently Asked Questions)

Q: Is this exhaust guillotine compatible with the Rotax Max Micro or Mini ?

A: No, the exhaust guillotine is reserved for pneumatic valve variables: Rotax Max Junior, Senior and Master. The Micro Max and Mini Max categories use specific cylinder configurations without active valve.

Q: How often does the exhaust guillotine be cleaned ?

A: It is advisable to disassemble it and decal after each day of rolling (or every 2 to 3 hours of use). The 2T combustion oil quickly creates a deposit that can block the mechanism.