Suzuki Burgman 400 CVT Roller Weights (Set of 8) Specs & Torque (OEM: 21650-14F20)

Engineering Specifications Table

OEM Part Number	21650-14F20
Component Name	CVT Roller Weights (Set of 8)
Brand / Model Fitment	Suzuki Burgman 400
Dimensions / Sizing	26 x 13 mm (18.0 grams each)
Torque Specs	Variator nut: 105 Nm (77.5 lbf·ft)
Fluid / Electrical Specs	N/A
Cross-Compatibility	AN400 K7-L6 series

Installation & Torque Warning

Improper installation of the CVT Roller Weights (Set of 8) can lead to severe mechanical failure. Always ensure that the mounting surfaces are clean and free of debris. When tightening fasteners, it is mandatory to use a recently calibrated torque wrench. The manufacturer specifies a torque value of Variator nut: 105 Nm (77.5 lbf·ft) for this component. Over-tightening can strip the threads or warp the housing, while under-tightening may result in excessive vibration and part detachment during operation.

OEM Verification & Reliability

For optimal performance of your Suzuki Burgman 400, verify that you are installing a genuine part matching OEM number 21650-14F20. While aftermarket alternatives might seem cost-effective initially, they frequently suffer from dimensional inaccuracies that compromise the overall system integrity. Genuine parts are manufactured to exact metallurgical and dimensional tolerances designed specifically for your scooter's engine dynamics.

Frequently Asked Questions (FAQ)

1. How often should I inspect the CVT Roller Weights (Set of 8) on my Suzuki Burgman 400?

Routine inspection intervals depend on your riding conditions, but it is highly recommended to inspect this component during your standard service intervals (usually every 3,000 to 4,000 miles). Look for signs of abnormal wear, heat discoloration, or loss of structural integrity.

2. Can I use a generic replacement instead of the OEM 21650-14F20?

Using generic or unbranded parts is strongly discouraged by service professionals. The exact dimensions (26 x 13 mm (18.0 grams each)) and material composition of the genuine component are required to safely handle the operational stresses of the scooter.

3. What is the most common mistake when installing this part?

The most frequent error is ignoring the factory torque specifications. Failing to apply the required Variator nut: 105 Nm (77.5 lbf·ft) disrupts the mechanical equilibrium of the assembly. Always refer to your factory service manual alongside these specifications.