BILLETRON 29mm & 25mm Carburetors | Big Performance for Smaller Bikes

Next level acceleration and response for big performance. The 29mm Mini and 25mm Micro unlock performance without the jetting headache.

HIGHLIGHTS SUMMARY

⚡ XCELERATOR Rod — Immediate throttle response with rapid acceleration
↩️ Air-Redirect Slide — Improves low-RPM signal by channeling air toward the metering rod
🔄 Dual-Circuit Design — Xcelerator Metering Rod + Power Jet = optimal fueling across RPMs
🔧 Set It & Forget It – No brass jets, no constant tuning — just ride. Performance at every start.
🛡️ Billet Aluminum Construction — Lightweight, durable, and precision machined

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FULL HIGHLIGHTS

Xcelerator Metering Rod

Instant Response. No Bog. All Throttle.

Designed to mimic an accelerator pump—without the complexity—the Xcelerator Metering Rod delivers fuel precisely when you need it. Whether you’re rolling it on or whacking it wide open, this circuit reacts instantly for throttle response you didn’t think a carb could deliver.

Air-Redirect Slide

Targeted Airflow. Sharper Response.

Engineered to channel low-throttle airflow directly at the metering rod, this slide enhances fuel signal where it matters most. Better signal means better response, especially in off-idle and low-RPM situations.

Power Jet (Top-End)

No Compromise. Top-End Control. No Tools Required.

Confidently dial in your low-end with the metering rod without top end compromise. The Power Jet circuit lets you adjust fuel delivery at high RPMs without disassembly and is independent of the metering rod—so you can confidently tune your bottom-end without sacrificing the top.

Precision Metering Rod = No Jetting

Set It. Forget It. Ride Hard.

Forget brass jets and constant tuning. Lectron’s metering rod tech automatically adjusts fuel delivery based on air demand, giving you perfect fueling from idle to redline—without the headache.

SEARCH BY VEHICLE

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Make

Model

Let customers speak for us

from 177 reviews

Exactly what i need thank you

Mark

06/05/2026

Gasket & Sealing Kit | Compatible with PRO-SERIES & BILLETRON Carburetors

Fits perfectly no issues

Nicholas

05/16/2026

Dirt Bike Lectron Throttle Cables | EVO, Billetron & PRO SERIES

Fast delivery best throttle cable made good performance quality built

James

04/21/2026

Dirt Bike Lectron Throttle Cables | Legacy & H-Series

Woke my bike right up. Love this carb

Ryan

04/19/2026

Domino Throttle Assembly for 2-Strokes | Compatible with Lectron 2-Stroke Carburetors

Love Lectron!

a.h.

04/17/2026

Metering Rod Adjustment Tool | BILLETRON , PRO-SERIES, H-SERIES & LEGACY Carbs

Didnt bother to put it on, carb ran great out of the box

Derek

03/16/2026

Easy Tuning Kit | PRO-SERIES, BILLETRON & EVO Carburetors

Worked exactly as it should

Derek

03/16/2026

PRO SERIES Carburetor Kit for 4-Stroke | Precision Fuel Delivery, Peak Performance, Ultimate Simplicity (38mm-40mm)

Thank you

Anthony

03/11/2026

Vent & Fuel Line Kit | Legacy, H-Series, BILLETRON & PRO SERIES

Well designed. Easy install.

Joseph

03/03/2026

H-Series EVO Carburetor for 2-Stroke | Performance + Simplicity (38mm)

Exactly as needed to refresh the chike assembly.

C.L.

02/28/2026

Choke Assembly | Legacy & H-Series Carburetors

I wish they offered the harness separate but otherwise I'm happy.

M.l.

02/20/2026

TPS Sensor Assembly | PRO-SERIES

Tuning tool worked perfect, thumb screws were too big to fit in the small area of the 65 but I had already assumed that, but thought I’d give it a shot anyway, highly recommended to tune without damaging the rod

Shane

02/02/2026

Easy Tuning Kit | PRO-SERIES, BILLETRON & EVO Carburetors

Love it. Response is fast. Easy to dial it in, very simple.

Nicholas

01/23/2026

H-Series EVO Carburetor for 2-Stroke | Performance + Simplicity (38mm)

Its great

Shawn

12/06/2025