No More Spills
Prevents fuel splashing and vapor overflow when parked, keeping your bike and garage cleaner.
- Free shipping
- 14-day easy returns
- Secure checkout
- Quality guaranteed
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Why customers love it
Keep Your Tank Venting, Not Leaking
This one-way breather valve replaces your motorcycle's stock overflow line, letting the fuel tank vent properly without allowing fuel to escape—even if the bike tips over.
- Replaces your stock overflow line for proper tank venting
- Prevents fuel escape even if the bike tips over
- Anodized aluminum construction with a durable rubber insert
- Works with most off-road motorcycles, dirt bikes, and ATVs
- Available in multiple anodized colors to match your bike
Why Riders Choose This Breather Valve
Optimal Fuel Flow
Keeps the tank ventilated to maintain optimal fuel flow, so your engine gets consistent fuel delivery.
Quick Install
Compact, lightweight design that installs in minutes with no complicated setup.
Style Options
Available in a range of colorful anodized finishes to match your bike's style.
Setup
Simple Installation in Minutes
No electrician, no wiring, no fuss.
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Replace Stock Line
Remove the stock overflow line from your motorcycle's fuel tank.
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Install Valve
Install the one-way breather valve in its place, allowing the tank to vent properly.
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Vent & Protect
The one-way valve lets air in without letting fuel escape, even if the bike tips over.
Specs
The details that matter
Built to last outdoors, season after season.
- Material
- Anodized aluminum with rubber insert
- Type
- One-way fuel tank breather valve
- Compatibility
- Yamaha WR250F, WR250R, WR250X, WR426F, WR450F, YZ125, YZ250
- Color
- Purple, White, Black, Orange, Yellow, Blue, Green, Red, Titanium
Our worry-free shopping promise
If your order arrives damaged, defective, or not as described, contact us within 14 days and we will make it right with a replacement or refund.
Frequently asked questions
Everything you might want to know before you order.
Does this valve prevent fuel from leaking if my bike tips over?
Yes, this one-way breather valve replaces your motorcycle's stock overflow line, letting the tank vent properly without allowing fuel to escape—even if the bike tips over.
What materials is this breather valve made from?
It is made of anodized aluminum with a durable rubber insert, offering a robust and long-lasting design.
Which bikes is this valve compatible with?
It works with most off-road motorcycles, dirt bikes, and ATVs, including specific Yamaha models like the WR250F, WR250R, WR250X, WR426F, WR450F, YZ125, and YZ250.
Can I choose a color to match my motorcycle?
Yes, it is available in multiple colors including Purple, White, Black, Orange, Yellow, Blue, Green, Red, and Titanium, so you can match your bike's look.
Shipping & returns
Shipping
- Delivers to United States (based on your selected country/region).
- Estimated delivery: 3–15 business days after dispatch.
- Shipping cost: Free.
Returns
You can request a return within 14 days after delivery. Standard returns have a €4.00 EUR (approximately $4.66 USD) flat-rate return shipping fee, deducted from your refund. Return shipping is free for items that arrived damaged, defective, or incorrect. Items should be unused and in original packaging where possible. Contact us before sending anything back.