1500 RPM CVT Compression Spring for Yamaha Vino / Zuma 125 (Standard)

1500 RPM CVT Compression Spring for Yamaha Vino 125 and Zuma 125

This 1500 RPM CVT Compression Spring is built for the Yamaha Vino 125 and Zuma 125. It governs the CVT system, affecting belt engagement and how quickly the gears change. As one of the Yamaha Zuma scooter parts available, it can help improve mid-range acceleration by holding off the shift to a higher gear, so the engine remains in its useful power band for longer. It suits riders who want a modest performance gain without moving to more extreme upgrades.

How the Compression Spring Works

Inside the CVT system, this spring handles two jobs. It supplies the pressure needed to engage the drive belt, and it influences the speed at which the transmission moves from lower to higher gears. Rated at 1500 RPM, it sits between stock behavior and a more aggressive setup, which makes it a good match for riders who want a balance of efficiency and power.

Build and Quality

Made in Taiwan and ISO 9001 certified, this spring has been manufactured since 1997 under strict quality control. It is designed to perform reliably across different riding conditions, making it a sound option for a Yamaha Vino or Zuma scooter. It is made to the specific requirements of these models, so it fits directly and operates dependably.

Specifications

• Engagement RPM: 1500
• Wire Diameter: 5.0mm
• Inner Diameter: 54.5mm
• Length: 116.0mm
• OEM Part Number: 619A09MJ15
• Origin: Taiwan (ISO 9001 Certified)
• Fits: Yamaha Vino 125 and Zuma 125 / BW's 125 CVT, all years

Fitment

Fits:

• Yamaha Vino 125 (all years)
• Yamaha Zuma 125 / BW's 125 (all years)

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