Polini Performance Variator | GY6 Buddy 125-170 Kymco
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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.
Shipping information
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Returns & warranty
Please verify fitment and part number before ordering. Contact Thrifty Scooters promptly if an item arrives damaged or incorrect.