Brand new RACING PERFORMANCE TRANSMISSION VARIATOR BELT CLUTCH PULLEY SET for 50cc 80cc 100cc GY6 Chinese Scooter Moped ATV Go Kart w/ GY6 139QMB OR 1P39QMB engine


MUST HAVE transmission clutch upgrade kit for your BBK upgrade projects.

MUST DO installation guide:

  • Must use same weights for all 6 slots or you are risking to damage the clutch
  • Swap both the red main spring and 3 torque springs with the yellow ones provided in the kit if you prefer faster engaging
  • Generally in flat ground riding, more weights give you higher top speed and less weights give you faster acceleration, so configure your weights accordingly.


Clutch Kit Includes:

  • Performance Racing Variator
  • Heavy Duty Kevlar Drive Belt. Included belt size is 669-18-30.
  • Performance Rear Clutch Pulley Assembly

Features:

  • 2000 rpm red main spring and torque springs installed
  • 1500 rpm yellow main spring and torque springs (added 5/24/2022)
  • Heavy duty Kevlar reinforced drive belt
  • Precision alloy clutch drum bell to eliminate wobbling
  • Better ventilation with cooling ports on clutch drum bell to maintain peak performance
  • Unrestricted variator boss
  • High polished rive face movable pulley
  • 3 sets of Roller weights 
  • Ramp plate with 3 x slides clips
  • Drive face movable seal pulley
  • High torsion clutch spring for driven pulley
  • Outer fan & kick start gears

Clutch Pulley works with:

  • All GY6 50cc 80cc 100cc Chinese made scooter moped ATV with popular brand like Roketa, Taotao, SUNL, Kazuma, Jonway, Znen, Redcat, Eagle, Xtreme, Yiben, SSR, Vento

 

We do combine shipping, please look at our other listings, thank you.