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Fine adjustments to the RPM limit can be made in accordance with the engines limits allowing maximum RPM without the worry of it over-revving
fits most 50mm center forks
Ocean blue glovebox installed on units produced December 2020 and later
preventing the "cracking" and "glazing" that leads to belt slip
It uses a Fresh Pack design — the acid cartridge is kept separate until activation
Naraku Performance Variator Kit | 139QMB GY6 50cc 4-Stroke V5SS1 Fine adjustments to the RPMUpgrade the CVT performance of your GY6 50cc 4 stroke scooter with the Naraku Performance Variator Kit. Designed for the QMB139 139QMB engine platform, this complete kit includes the CNC machined, PTFE coated variator drive face, coated movable face with red slider guides, 6 roller weights, bronze bushing, and steel boss sleeve everything needed for a direct bolt on variator replacement or performance upgrade. Model Compatibility Genuine Buddy 50