Upgrade your CVT with the Polini Performance Variator — widely regarded as the benchmark for 157QMJ-based GY6 scooter tuning. The larger 118mm variator pulley widens the gear ratio for stronger acceleration and higher top speed. Includes a +10% blue clutch torque spring and two roller weight sets. Made in Italy by Polini.
Kit includes:
- Variator (118mm OD)
- Ramp plate
- Slides
- Variator boss (15mm bore)
- Roller weights: 19x17mm, 9.7g
- Clutch torque spring: +10% (blue)
- Variator outer diameter: 118mm
- Variator inner diameter: 15mm
- Total barrel length: 48mm
- Roller size: 19x17mm at 9.7g
- Clutch spring: +10% blue
- MPN: 241.690
- Made in Italy
Compatible Models:
- Genuine Buddy 125, Buddy 150, Buddy 170i
- Genuine Hooligan 170i
- Kymco Agility 125, Agility 150
- Kymco People 150
- 157QMJ-based 125cc/150cc/169cc engines: 157QMJ, 152QMI, YN1P57QMJ, 1P52FMI, 154FMI, JJ157QMJ, 1P57QMJ, BN157QMJ, and other QMJ/QMI variants
Note:
This Polini GY6 125cc - 150cc set works on all Honda style 4T 152QMI, 157QMJ, QMI152, QMJ157 engines with15mm diameter crankshafts. This will not fit 161QMK GY6-B / GY7 engines that have a 17mm diameter crankshaft. Measure your crankshaft diameter to confirm compatibility. Not for use on public roads or land.
California Prop 65 Warning: www.p65warnings.ca.gov
Features
- 118mm variator pulley — wider gear ratio for stronger acceleration and higher top speed
- Includes ramp plate, slides, variator boss, 9.7g rollers, and +10% blue clutch spring
- 19x17mm roller weights pre-installed for 157QMJ GY6 applications
- Made in Italy by Polini — the benchmark for GY6 CVT performance tuning
- Fits Genuine Buddy 125/150/170i, Hooligan 170i, Kymco Agility 125/150, and 157QMJ/QMI engines
Specifications
Variator OD: 118mm | Variator ID: 15mm | Barrel Length: 48mm | Rollers: 19x17mm / 9.7g | Clutch Spring: +10% Blue | MPN: 241.690 | Origin: Italy | SKU: 1200-1229
Model Fitment
Genuine Buddy 125 / 150 / 170i | Genuine Hooligan 170i | Kymco Agility 125 / 150 | Kymco People 150 | 157QMJ / 152QMI / YN1P57QMJ / 1P52FMI / 154FMI / JJ157QMJ / 1P57QMJ / BN157QMJ and other QMJ/QMI 125-169cc engines
