Upgrade your CVT performance with the NCY 1000RPM Compression Spring, designed for Yamaha Zuma 2-stroke 50cc and most Minarelli horizontal/vertical engine applications. This high-tension torque spring increases RPM before upshifting, improving acceleration, belt tension, and overall responsiveness—especially when paired with tuned variators and clutch components.
Whether you're replacing a worn spring or fine-tuning your transmission for better low-end pull, this NCY spring offers a perfect balance of strength and reliability.
-
Fits Yamaha Zuma 2T 50cc & Most Minarelli Engines
-
1000RPM Spring Rate – Delays upshifting for stronger acceleration
-
Specs:
-
Wire Diameter: 4.0mm
-
Inner Diameter: 44.0mm
-
Length: 108.0mm
-
Ideal for CVT Tuning – Enhances belt grip and power delivery
-
Performance-Tested by NCY – Trusted brand for scooter upgrades
-
Direct Replacement or Tuning Upgrade
