2027 KTM 300 SX — For Sale in San Diego: Who It’s For & What to Know
Poway Powersports · For Sale in San Diego
Use this page to decide whether the 2027 KTM 300 SX matches your riding and your local tracks around San Diego, and what to prepare before you come in to buy.
- Engine cylinderSingle cylinder
- Displacement293.2 cm³
- Transmission5-speed
- Seat height958 mm
- Weight (without fuel)99.4 kg
- Fuel-mixture generationKeihin EFI, throttle body 39 mm
- Ground clearance354 mm
- Front suspensionWP XACT-USD (AER), Ø 48 mm
Who the 300 SX is built for in San Diego
The 2027 KTM 300 SX is a motocross-focused machine aimed at riders who want big-bore 2-stroke character with modern fueling and race-ready control. It’s a strong fit for experienced riders stepping into the Open class, racers who want a hard-hitting option without giving up rideability, and track riders who prioritize acceleration and corner-exit drive.
Locally, it makes the most sense for dedicated moto time at places like Fox Raceway, Barona Oaks MX, and other Southern California tracks where you can use the full performance envelope. If your riding is mostly casual trail cruising, tight singletrack, or street use, this model’s purpose-built MX setup may feel like more bike than you need—and it isn’t intended for public-road riding.
If you want a deeper look at how the engine character and tuning options translate on-track, see the Performance Guide.
What it feels like to ride: power delivery, starts, and traction
At the center of the 300 SX experience is a 2-stroke single paired with Keihin electronic fuel injection and Vitesco Technologies engine management. For a buyer, the practical benefit is consistency: you’re not chasing jetting changes when conditions swing from a cool morning at the track to a hot afternoon, and the bike is designed to stay responsive across typical elevation and weather changes you’ll see riding around San Diego County.
The EFI works with the model’s power valve to broaden usable drive, helping the bike hook up when traction is limited and making it easier to carry momentum through choppy corners. Add the convenience of electric start and you get a bike that’s easier to live with on race day—especially when a stall in a rut or a tip-over would otherwise cost you time and energy.
Selectable maps let you choose between two distinct engine characters depending on track conditions and your preference. For the full breakdown of how those choices affect the ride, link over to Features & Technology and the Performance Guide.
Chassis and suspension: what matters before you show up to the track
The 300 SX uses a steel central double-cradle frame with a lightweight composite-reinforced subframe, built to balance stability with the flex feel riders look for when the track gets rough. Braking is handled by disc brakes front and rear, giving you consistent control for late braking into rutted corners and for setting the bike on entry.
Suspension is WP XACT at both ends, with the XACT AER fork up front and a linkage-equipped WP XACT shock in the rear. The big buyer takeaway is adjustability and trackside convenience: the bike is designed so you can make meaningful changes without turning setup into a full-day project, which is valuable if you ride multiple tracks with different soil and bump profiles.
If you want the detailed “what to adjust and why” explanation, use the Suspension & Chassis Breakdown before your first ride day.
Buying considerations: setup, maintenance rhythm, and ownership expectations
This is a competition-oriented motocross bike, so it rewards riders who treat setup and maintenance as part of the program. KTM designs the SX line with serviceability in mind—easy access to common service points and quick adjustability—so you can stay on top of routine checks and trackside tweaks without needing a full pit crew.
Plan your first visit around fit and controls: bar position, lever reach, and your standing posture matter a lot on an MX bike. If you’re coming from a smaller-displacement machine or from four-strokes, it’s also worth thinking about how you want the power to come in and how you’ll use the map switch for different track conditions.
Also note that the manufacturer lists freight separately from MSRP. We’ll walk you through the full out-the-door numbers in person so you can compare options clearly and decide what makes sense for your budget and timeline.
Financing and the next step at Poway Powersports
If you’re ready to move forward, you can start financing online and save time at the dealership. The 2027 KTM 300 SX has an MSRP of $9,899 (plus freight), and financing can help you align the purchase with your riding season and race schedule.
To begin, use our secure credit application: Get approved now. If you’re comparing where to buy in San Diego, you can also review Why Buy from Poway Powersports for how we support riders before and after purchase.
When you’re ready to check what’s on the floor right now (in every offered color/configuration), jump to current availability below and pick the listing that matches your timing.
2027 KTM 300 SX in detail
Frequently asked questions
Is the 2027 KTM 300 SX a good choice for San Diego motocross tracks?
Yes—this model is purpose-built for motocross and makes the most sense at local tracks where you can use its power and suspension. It’s best for experienced riders and racers rather than casual trail riding.
Do I need to pre-mix fuel on the 300 SX?
It’s a 2-stroke model with electronic fuel injection. For fuel and oiling specifics, our team will walk you through the correct routine at delivery so you’re set up properly from day one.
Can I finance a 2027 KTM 300 SX through Poway Powersports?
Yes. You can start online with our credit application, then we’ll confirm terms and finalize the purchase in-store. Use the Get approved now link on this page to begin.
How do I see what you have in stock right now?
Use the current availability section appended below this page. It shows live listings for this model and links to each available unit.
Explore more about the 2027 KTM 300 SX
- 2027 KTM 300 SX Performance Guide Power, gearing, ride feel
- 2027 KTM 300 SX Suspension & Chassis Breakdown Setup notes & handling
- 2027 KTM 300 SX Features & Technology What's new & key highlights
- 2027 KTM 300 SX Why Buy from Poway Powersports Service, support, and local expertise
Poway Powersports · San Diego
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2027 KTM 300 SX — Colours at Poway Powersports
Every colour listed below is offered by Poway Powersports in San Diego. Select a colour to view its listing. MSRP $9,899.