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IMPIANTO ALIMENTAZIONE POLINI PER SCOOTER YAMAHA BW’S 50 e MBK BOOSTER:
KIT SUPER COMPLETO Ø21

Per gli scooter equipaggiati con il motore Yamaha Minarelli verticale, Polini Motori ha preparato un super impianto d’alimentazione.

LAMBDA PROBE EMULATOR AND POLINI HI-SPEED VARIATOR FOR YAMAHA AEROX 4STROKE EURO 4

The new Polini HI-SPEED variator designed for Yamaha Aerox 4stroke Euro 4 scooter enables exciting efficiency and performance without giving up the maximum reliability.


The new Polini HI-SPEED variator designed for Yamaha Aerox 4stroke Euro 4 scooter enables exciting efficiency and performance without giving up the maximum reliability. The half pulley has been designed with different grades to let the belt increase the excursion. The inside of the rollers sliding surfaces has been submitted to a glazing treatment to improve rollers sliding. The compression spring load has been increased of 87%. The clutch springs with load increase of 35%i improve of 500 rpm when the clutch engages. The rollers have a coating made of a new mixture of nylon and aramid fibers. A set of 4,5gr rollers is included in the package.

You will immediately notice that the starts will be faster and thanks to the new engine rpm range you will improve acceleration to achieve earlier the maximum speed.

To achieve this performance it’s compulsory to install the Polini lambda probe emulator, item 171.0010

The lambda probe detects the presence of oxygen in the exhaust gases and lets to adjust the carburation and consequent the stochiometric ratio. (air/fuel). Polini emulator simulates the signs of the original lambda probe received from the CDI.
The original CDI, in this way, is leaded to work with a constant air/fuel ratio, letting the performance improvement of the vehicle and the perfect stochiometric working. Attached to the probe you find the manual to elude the speed limiter.

Polini for Yamaha Aerox 4Stroke Euro 4:
Item: 241.746 – HI-SPEED Yamaha Aerox Stroke Euro 4 Public price: euro 63,00 + VAT
Item: 171.0010 – Lambda probe emulator Public price: euro 75,00 + VAT

100% Made in Italy


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