The Polini Maxi HI-Speed Variator for SYM Symphony ST 125 – product code 241.768 is designed for riders looking for improved acceleration, mid-range response and smoother power delivery, combined with outstanding reliability and durability.
The core of this variator is the Polini patented lubrication system, engineered to provide consistent performance over time even under heavy use, reducing wear and minimizing maintenance intervals.
This variator fits SYM Symphony ST 125 ie 4T models in both Euro 5 (2021–2024) and Euro 5+ (from 2025 onwards) versions, featuring the water-cooled engines XS1P52MI-5 and XS1P52MI-5A.
Main technical features
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Polini patented lubrication system for long-lasting, consistent performance.
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Polished roller tracks for smoother and more efficient movement.
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Nickel-chrome steel pin with DLC (Diamond Like Carbon) coating for extremely low friction and maximum wear resistance.
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Internal grease reservoir and spring system to ensure constant lubrication even in extreme conditions.
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High-durability rollers made with nylon and aramid fibers, lightweight and long-lasting, reducing maintenance costs.
✅ Designed for SYM water-cooled engines:
Key features
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Type: Variator
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Line: Polini Maxi HI-Speed
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Brand: Polini
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Benefits: Better acceleration and throttle response, smoother ride, long-term durability
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Technology: Patented lubrication system + DLC
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Product code: 241.768
