Yamaha C3 (XF50) Fuel Pump Assembly Specs & Torque (OEM: 3B3-13907-00)

Engineering Specifications Table

OEM Part Number	3B3-13907-00
Component Name	Fuel Pump Assembly
Brand / Model Fitment	Yamaha C3 (XF50)
Dimensions / Sizing	In-tank module
Torque Specs	Mounting plate bolts: 7 Nm
Fluid / Electrical Specs	Maintains approx 36 psi
Cross-Compatibility	Yamaha Zuma 50F

Installation & Torque Warning

Improper installation of the Fuel Pump Assembly 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 Mounting plate bolts: 7 Nm 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 Yamaha C3 (XF50), verify that you are installing a genuine part matching OEM number 3B3-13907-00. 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 Fuel Pump Assembly on my Yamaha C3 (XF50)?

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 3B3-13907-00?

Using generic or unbranded parts is strongly discouraged by service professionals. The exact dimensions (In-tank module) 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 Mounting plate bolts: 7 Nm disrupts the mechanical equilibrium of the assembly. Always refer to your factory service manual alongside these specifications.