YGQ King-Size Fuel Tank Cap — Stainless Steel Vented Gas Cap with Chain & Strainer for Honda GX/Clone Engines

YGQ's king-size metal fuel cap is a stainless-steel replacement cap with an integrated vent, spring, rubber gasket, chain and fuel strainer designed to fit Honda GX-series and many clone engines.

This heavy-duty replacement fuel cap is built to swap into Honda GX120/160/200/240/270/340/390 families and widely used clone engines (163cc–389cc), as well as mini bikes, go-karts and generators. It replaces multiple OEM part numbers and includes an attached chain and a screen strainer so you get a secure seal plus basic contamination protection right out of the box. The cap’s stainless construction, internal spring and thick rubber gasket focus on leak resistance and reliable venting for everyday outdoor equipment use.

Will this fuel cap fit my engine or mini bike?

YGQ designed this king-size cap to be compatible with many Honda GX-series tanks and common clones from Hisun, Rato and Predator. It directly replaces several OEM part numbers and suits engines from about 4HP up through 13HP and displacement ranges listed below.

• Replaces part numbers: 17620-Z4H-900, -910, -911, -912, -920, -030, -020, -010.
• Suitable for Honda GX120/GX160/GX200/GX240/GX270/GX340/GX390.
• Works with clones and small engines: 163cc, 168F, 170F, 188F, 190F, 196cc, 212cc, 270cc, 389cc.
• Fits mini bikes and go-karts like Coleman CT200U, BT200X, Baja Warrior, Predator 212 applications.

How does the cap prevent leaks and allow proper venting?

The cap combines a thick rubber gasket with a high-strength internal spring to hold the seal under vibration and fuel pressure changes. A venting passage and spring-loaded valve maintain appropriate tank pressure while reducing the chance of fuel weeping during operation or transport.

• Stainless-steel exterior resists corrosion from weather and fuel exposure.
• Thick rubber gasket provides a compressive leak barrier.
• Internal spring ensures a consistently tight fit despite vibration.
• Integrated vent design promotes steady fuel flow and pressure equalization.

What extras are included and why do they matter?

This cap ships with a safety chain and a small strainer screen to help catch larger particles before fuel enters the carburetor. Those additions are practical for field repairs and maintaining cleaner fuel delivery on off-road or older equipment.

• Attached metal chain prevents accidental loss of the cap when opened.
• Removable strainer screen filters out grit and debris at the tank inlet.
• Fits common filler-neck geometries so installation is straightforward.

How do I install and maintain the replacement cap?

Installation is a simple twist-and-seat action—remove the old cap and replace with the YGQ cap, ensuring the rubber gasket aligns with the tank lip. Periodic inspection of the gasket and strainer keeps the cap functioning properly over seasons of use.

• Clean tank rim and seat the gasket evenly before tightening.
• Check the strainer for debris and rinse if clogged.
• Replace gasket if it shows cracks, flattening, or fuel seepage.

Who is this for: This YGQ king-size metal fuel cap is made for owners and mechanics of small engines—garden equipment, generators, mini bikes, go-karts and replacement parts suppliers—who need a durable, leak-resistant cap that matches many Honda OEM numbers and popular clone engines. It’s especially useful for outdoor equipment that sees vibration, rough terrain, or seasonal storage, offering a simple upgrade to sealing and fuel maintenance without modifying the tank.