The Polini Maxi HI-Speed variator code 241.771 is designed to improve acceleration, engine and low-rev response of Piaggio, Vespa and Aprilia scooters with 125cc and 150cc engines.
The kit includes:
Optimized mobile half-pulley, to increase the belt excursion and improve transmission.
Contrast spring with 8% increased rigidity compared to the original, to increase the rotation speed during starts.
Two sets of rollers:
9.7 g for Medley and GTS 125cc
11.5 g for Medley and GTS 150cc
Rollers covered in nylon and aramidic fibers, for maximum durability and resistance.
Polini Variator for:
PIAGGIO:
- Polini Variator for Medley 125 S EURO 4 MD01M
- Polini Variator for Medley 125 S EURO 5 MD02M
- Polini Variator for Medley 125 ie 4T 4V E4 from 2016 to 2020
- Polini Variator for Medley 125 ie 4T 4V E5 from 2021 onwards (MD01M)
- Polini Variator for Medley 125 ie EURO 4 MBO1M
- Polini Variator for Medley 150 S EURO 4
- Polini Variator for Medley 150 ie 4T 4V E4 from 2016 to 2020
- Polini Variator for Medley 150 ie EURO 4 up to 2020
- Polini Variator for Medley 150 ie EURO 5 MD02M
WASP:
- Polini variator for Vespa 125 4T GTS SUPER ie LC E5 4V from 2021 onwards
- Polini variator for Vespa 125 4T GTS ie LC E4 4V from 2016 to 2020
- Polini variator for Vespa 125 4T GTS ie LC E5 4V from 2021 onwards
- Polini variator for Vespa 150 4T GTS ie E4 4V from 2016 to 2020
APRILIA:
- Polini variator for Aprilia SR 125 GT ie 4T LC E5 from 2023 onwards (MD51M)
- Polini variator for Aprilia SR 200 GT ie 4T LC E5 from 2023 onwards (MD52M)
