XZR8®
TGB 911230 Primary Clutch Assembly
TGB 911230 Primary Clutch Assembly - Image 2
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TGB 911230 Primary Clutch Assembly


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Clutch TypeCentrifugal CVT Primary Drive
Actuation MethodMechanical Centrifugal
Belt ProfileV-Belt Single Groove
ConstructionComplete Assembly with Sheaves, Weights, Spring
MaterialCast Aluminum Body, Steel Components
Net Weight6.5 kg
Package Dimensions30 × 22 × 18 cm

Manufacturer No.

  • 911230
  • 911230-0
  • 911230-S
  • AG-911230
  • AG-911230-S

OEM Part No.

  • 911230
  • 910680

Interchange No.

  • AG-911230
  • AG-911230-S
  • 911230-0
  • 911230-S
  • 910680

Fitment Vehicles

  • TGB Blade 1000
  • TGB Blade 1000 LT
  • TGB Blade 1000 LTX
  • TGB Blade 1000 LTX EPS
  • TGB 1000 LT
  • TGB 1000 LTX
This primary clutch assembly serves as the drive pulley variator for the continuously variable transmission (CVT) system. It utilizes centrifugal force to shift the movable sheave, adjusting the belt ratio for seamless acceleration. The unit comprises a fixed sheave, movable sheave, roller weights, spring, and cover assembly. Designed as a direct OEM replacement for TGB 1000 series V-Twin engines, it restores factory shift curves and load capacity. Precision machining ensures belt alignment and minimizes vibration under high torque conditions.