Yamaha 400–450 BILLETRON PRO Carburetor Kit | EFI-Like Power
🛠️ Yamaha 400–450 BILLETRON™ PRO Series Carburetor Kit
Erase jetting issues with modern solutions that pack a punch. Whether you're racing dunes, hitting trails, or tuning for high elevation, the BILLETRON™ PRO delivers EFI-like throttle response and reliable performance—all without jets.
🔥 Set it & forget it – Say goodbye to clogged jets. This system mechanically adapts to changes in elevation and temperature with no need for re-jetting.
⚡ Grip it & rip it – Faster throttle response and clean power delivery across the rev range.
✅ What’s Included:
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Black anodized PRO SERIES billet aluminum carburetor
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Xcelerator metering rod (pre-installed)
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Chrome-plated brass slide
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Custom throttle cable
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Domino throttle housing
Note: OEM Yamaha throttle will not work with this cable setup. You must use the included housing and cable or a compatible YFZ/TRX throttle.
📦 Fitment:
Fits the following Yamaha 4-stroke models:
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YZ450F (All Years)
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WR450F (All Years)
Please contact Lectron directly if transferring between models, as carb dimensions may vary slightly depending on year/make.
🛡️ Warranty Info:
Covered under Lectron’s limited manufacturer warranty. For full warranty terms, please refer to Lectron’s policy documentation.
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
- Sneakers: 1–2 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.