This Polini clutch segment (part number 249.057) replaces the clutch shoes in your scooter's centrifugal clutch. As the engine speed increases, the segments push outwards and engage with the clutch bell — this transfers the engine's power to the rear wheel. If they wear out, you will notice it when accelerating: slipping, loss of traction, or a rattling sound when driving off.
Always replace the segments as a complete set so that wear remains evenly distributed and the clutch bell is not unnecessarily stressed. Before installation, check Polini part number 249.057 against the original part to confirm the correct version.
Suitable for
- Vehicle brands: Honda, Yamaha, SYM
- SH 125
- SH 150
- ADV 150
- Nmax 155
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