Seller notes

DLH 2000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 72cc/80cc 100cc QMB139 ENGINES 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 1000RPM SPRING WILL GO INTO A HIGHER GEAR THAN A 2000RPM SPRING. THIS DLH 1000 RPM COMPRESSION SPRING IS SPECIFICALLY FOR THE GY6 QMB139 50cc ENGINES MEASUREMENTS: WIRE DIAMETER: 4.0mm INNER DIAMETER:49.0mm LENGTH: 1...

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