🛠️ 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:

• Black anodized PRO SERIES billet aluminum carburetor

• Xcelerator metering rod (pre-installed)

• Chrome-plated brass slide

• Custom throttle cable

• 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:

• YZ450F (All Years)

• 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.