Seller notes

NCY 1500 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH THE CVT TRANSMISSION CHANGES FROM LOW TO HIGH GEAR. A 1000 RPM SPRING WILL GO INTO A HIGHER GEAR THAN A 2000 RPM SPRING. THIS NCY 1000 RPM COMPRESSION SPRING IS SPECIFICALLY FOR THE GY6 50. MEASUREMENTS: WIRE DIAMETER: 4.0mm INNER DIAMETER:49.0mm LENGTH: 106.0mm FITS MOST MODELS OFT...

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