RDLN Racing Variator w/ Roller Tuning Kit | Ruckus 139QMB rain-proof Fuel filler neck and perimeter

Fuel filler neck and perimeter mounting tabs

95mm in diameter

First oversize replacement piston for the MCK2 cylinder kit for P125/150/Stella

Original ZNEN Part Number: 37200-AH02-A000

RDLN Racing Variator w/ Roller Tuning Kit | Ruckus 139QMB rain-proof Fuel filler neck and perimeterUnlock the full performance potential of your 139QMB GY6 50cc scooter with the RDLN Racing Variator and Roller Tuning Kit. This complete drive pulley variator assembly includes three full sets of roller weights (6g, 7g, and 8g) so you can dial in the exact balance of acceleration and top speed for your engine setup and riding style. Key Features Modified ramp plate increases maximum power output over the stock variator Copper core roller weights