KTM Motocross Motorcycles for Sale in San Diego

Welcome to Poway Powersports – San Diego County’s trusted KTM motocross headquarters. Located in Poway, California, we offer the full lineup of KTM SX and SX-F race bikes, built for everyone from youth beginners to pro-level competitors. Whether you're looking to dominate the gate or just kick up dirt on the weekends, we've got the bike and the gear to make it happen.

And for riders looking to upgrade, customize, or maintain their machines, be sure to check out our online KTM parts and accessories store: AllAmericanKTM.com – your #1 destination for factory KTM PowerParts, apparel, and hard-to-find upgrades.

Youth KTM SX Bikes

KTM 50 SX

The ideal starting point for young riders ages 4–10. The KTM 50 SX delivers clutchless operation, lightweight handling, and adjustable power. It’s the perfect blend of fun and performance for entry-level motocross.

KTM 65 SX

Ready to race and scaled for growing kids, the KTM 65 SX includes a manual clutch and fully adjustable WP suspension. This is the bike that builds skills and confidence on the track.

KTM 85 SX

Built for competition, the KTM 85 SX offers class-leading performance for riders stepping up to larger tracks. With a sharp 2-stroke motor and big-bike features, it bridges the gap to full-size MX.

Full-Size 2-Stroke SX Models

KTM 125 SX

Legendary for its aggressive powerband and flickable frame, the KTM 125 SX is built for advanced riders who want fast, light, and thrilling. With EFI and top-tier suspension, it’s made to rip.

KTM 150 SX

A perfect mix of power and control. The KTM 150 SX delivers a bigger hit than the 125, while still maintaining the agile feel of a lightweight 2-stroke. Ideal for competitive amateurs and high-intensity practice.

KTM 250 SX

A true brute in the 2-stroke world, the KTM 250 SX delivers explosive power and race-ready geometry. With a precise fuel injection system and top-end power, it’s one of the fiercest bikes on the track.

KTM 300 SX

Torque, speed, and total domination. The KTM 300 SX is the most powerful 2-stroke motocross bike KTM has ever built. Fuel-injected, lightweight, and engineered to crush holeshots and big jumps with ease.

Premier 4-Stroke Motocross Bikes

KTM 250 SX-F

High-revving, lightweight, and championship-proven. The KTM 250 SX-F is one of the most competitive 250cc 4-strokes on the market – perfect for aggressive riders looking for unmatched corner speed and control.

KTM 350 SX-F

The sweet spot between agility and power. The KTM 350 SX-F offers the revs of a 250 and the torque of a 450, giving riders a versatile platform that performs across a wide range of track conditions.

KTM 450 SX-F

The ultimate big-bike performer. The KTM 450 SX-F is loaded with launch control, traction control, and a race-dominating engine. Designed for elite-level riders chasing peak performance and speed.

2025 KTM FACTORY EDITIONS

2025 KTM 250 SX-F FACTORY EDITION

The most advanced 250 in KTM’s lineup. Featuring the all-new Connectivity Unit for real-time tuning, factory graphics, orange frame, and upgraded PowerParts, the 250 SX-F FACTORY EDITION is race-ready straight off the showroom floor at Poway Powersports.

2025 KTM 450 SX-F FACTORY EDITION

Built for podiums. The 2025 KTM 450 SX-F FACTORY EDITION features AMA-level tech including Quickshifter, launch control, and Bluetooth tuning. Finished with race-spec upgrades and premium components, it’s as close to a Red Bull KTM race bike as you can buy.

Why Buy from Poway Powersports?

At Poway Powersports, we’re more than just a KTM dealership — we’re part of the San Diego motocross community. Our expert team rides what we sell, and we’re here to help every step of the way, whether you’re buying your first bike or upgrading to a Factory Edition. Plus, our massive parts inventory and online store at AllAmericanKTM.com means you can shop KTM PowerParts and gear anytime, anywhere.

Visit our showroom in Poway or contact us to schedule a test ride or get a quote on any of our in-stock KTM SX and SX-F motocross bikes. We proudly serve all of San Diego County and beyond.