This vacuum fuel petcock is designed for GY6 series scooters. Die-cast zinc alloy body is sturdy and anti-corrosion. Built-in gasoline-resistant rubber diaphragm and gaskets resist aging and leakage after long time fuel contact. It adopts vacuum driven design, automatically supplies fuel when engine runs and cuts fuel after shutdown to prevent overflow. Manufactured according to original design with matched thread connector. No modification needed to replace old petcock with damaged diaphragm or fuel supply failure. It is an essential wearable spare part for GY6 scooter fuel system maintenance for daily commuting.

 FAQ 

Q1: Can you provide small-batch customized proofing before mass production?
A: Yes, we provide paid or free small-batch proofing services according to order scale for customer confirmation.

Q2: Can you adjust shipping batches according to customer inventory pressure?
A: Yes, we support flexible batch shipment, delayed shipment and staged delivery to relieve customer inventory pressure.

Q3: How do you improve production efficiency for multi-variety orders?
A: We adopt flexible production line scheduling and classified production arrangement to improve multi-variety order efficiency.

Q4: Do you inspect product surface cleanliness and finish before shipment?
A: Yes, we strictly inspect surface cleanliness, smooth finish and no residual flaws for all finished products.

Q5: What is your quality improvement cycle?
A: We conduct weekly quality summary and monthly process optimization to continuously upgrade factory quality level.