The 2025 KTM SX lineup of two-stroke motocross bikes will get its most important updates since 2023. There are 4 2025 SX fashions—300, 250, 150, and 125—and all get the identical updates. Sure, you learn proper—the 150 is again. With that in thoughts, let’s try what’s new for ’25 within the KTM SX four-bike lineup.
- A brand new body is deployed on the 2023 KTM SX lineup, and it’s nearly 11 ounces lighter. The 4 motocrossers get a body with a brand new wall thickness for the chromoly metal tubing. Moreover, the entrance triangle and shock mount have been revised. A KTM insider tells us that the modifications are meant to supply “improved consolation and management.”
- There are new mounts for the two-stroke motors. The mounts fine-tune the flex of the chassis. KTM tells us this replace is “for improved cornering.”
- A brand new gasoline tank roll is meant to fulfill a number of targets. We’re informed by KTM that the brand new fitment offers extra sturdiness by decreasing body scrubbing by the tank. The tank shrouds are additionally new, directing extra air to the radiator.
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- The rear suspension will get reworked. Along with the brand new shock mount, there may be additionally a brand new linkage meeting for the WP Xact shock. With these modifications come new shock settings, together with a damping enhance. Our sources say that “consolation” is the first aim.
- With new rear suspension components and a modified body, the WP Xact fork will get revised. There are new settings to boost the body modifications.
- There’s much more occurring with the swingarm—a brand new chain slider. Our supply at KTM reveals that it “improves sturdiness and filth dissipation.”
- A brand new air inlet sleeve and snorkel design is now one-piece. The fabric is beefed as much as scale back deformation that may scale back energy output.
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- KTM engineers labored on the rear brake pedal. The brand new design is claimed to be extra sturdy.
- There are many returning components from revered suppliers. Keihin handles the EFI with a 39mm throttle physique. Brembo takes care of the brakes and the hydraulics for the shock. Excel rims are laced to CNCed hubs. Dunlop Geomax MX34 tires are customary.
- With regards to look, there may be an orange takeover. One have a look at the photographs tells you that. What you may not discover is that the graphics are molded into the plastic for sturdiness.
- We don’t have costs but. Nevertheless, you may see the 2025 KTM SX lineup at your native vendor subsequent month.
2025 KTM 300 SX, 250 SX, 150 SX, and 125 SX Specs
ENGINE
- Sort: Single-cylinder 2-stroke
- Displacement: 293cc (250: 249cc; 150: 144cc; 125: 125cc)
- Bore x stroke: 72 x 72mm (250: 66.4 x 72mm; 150: 58 x 54.4mm; 125: 54 x 54.5mm)
- Starter: Electrical
- Fueling: Keihin EFI w/ 39mm throttle physique
- Lubrication: Premix @ 60:1 (125: 40:1)
- Transmission: 5-speed (125: 6-speed)
- Clutch: Moist multi-disc DDS clutch w/ Brembo hydraulics
CHASSIS
- Body: Central double-cradle chromoly metal w/ aluminum/polyamide subframe
- Handlebar: Tapered aluminum Neken
- Entrance suspension; journey: Absolutely adjustable WP Xact AER inverted 48mm fork; 12.2 inches
- Rear suspension: Linkage-assisted absolutely adjustable WP Xact shock; 11.8 inches
- Wheels: Excel
- Entrance wheel: 21 x 1.60
- Rear wheel: 19 x 2.15
- Tires: Dunlop Geomax MX34
- Entrance tire: 80/100 x 21
- Rear tire: 110/90 x 19 (150 and 125: 100/90 x 19)
- Entrance brake: 260mm disc
- Rear brake: 220mm disc
DIMENSIONS and CAPACITIES
- Wheelbase: 58.7 inches
- Rake: 26.1 levels
- Triple clamp offset: 22mm
- Seat top: 37.7 inches
- Floor clearance: 13.9 inches
- Gas capability: 1.9 gallons
- Moist weight: 231 kilos (150: 216 kilos; 125: 215 kilos)
2025 KTM 300 SX Value: $TBA MSRP
2025 KTM 250 SX Value: $TBA
2025 KTM 150 SX Value: $TBA
2025 KTM 125 SX Value: $TBA
2025 KTM SX Lineup Photograph Gallery
2025 KTM 300 SX
2025 KTM 250 SX
2025 KTM 150 SX
2025 KTM 125 SX
