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Lower RPM springs (softer): clutch engages earlier
Size: 20mm x 17mm
Max Torque (N-m/rpm): 3
Material: High-temp
NCY Performance Up-Gear Kit 14*36/37/38 | GY6 GY7 engine-parts Lower RPM springs (softer): clutchFine tune your GY6's final drive ratio with an NCY 14 tooth Counter Shaft Gear Wheel. Available in three driven gear options 36, 37, or 38 teeth this single gear change lets you shift the balance between top speed and off the line acceleration without splitting the cases. Fits both A block (54mm) and B block (57mm) GY6 engine families. ISO 9001 certified and made in Taiwan by NCY since 1997. Choosing Your Gear Ratio The stock GY6 150cc final drive is
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