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#P6852
Polini Hi-Speed variator kit for Yamaha Aerox & Neos 50cc 4-stroke scooters. Also Giggle & Zuma.
For Euro4 scooters with a lambda sensor a Polini lambda emulator is compulsory to achieve the correct performance.
The Hi-Speed variator has been optimised to achieve maximum performance without compromising reliability. Polini have adjusted angles to improve belt movement, the included torque spring load has been increased 87% and the clutch springs have also been increased 35% to raise the biting point by 500rpm.
4.9g 16x13mm rollers included.
100% Made in Italy!
Polini 241.746
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