2026 KTM 125 SX
Special Offers Available!
As low as 3.99% APR for up to 36 Months OR a $500 Rebate — offers cannot be combined.
*Financing subject to credit approval. Offer valid July 1 – August 31, 2026. Terms and conditions may apply.
*Offers are updated monthly. Contact Kurt for the latest information and full details. Don’t miss out on our latest deals.
*Plus freight: $690.
FULL-SCREAM AHEAD
There are very few sounds that can't be beaten: the crack of a soda can on a blistering hot day, the ping of the perfectly executed golf shot, and the scream of a 125 cc 2-stroke full throttle. The KTM 125 SX takes its leads directly from the KTM Factory Racing team for pure performance, pure results. Like the sound it makes, you won't forget it.
Technical Specifications
Engine
| Engine Type | 1-Cylinder, 2-Stroke |
| Displacement | 124.8 cm³ |
| Transmission | 6-Speed |
| Fuel System | Keihin EFI, 39 mm Throttle Body |
| EMS | Vitesco Technologies EMS |
| Primary Drive | 23:73 |
| Clutch | DS Multi-Disc Wet Clutch, Brembo Hydraulics |
Chassis & Brakes
| Frame Design | Central Double-Cradle-Type 25CrMo4 Steel |
| Rear Subframe | Aluminum-Reinforced Polyamide |
| Front Brake | Disc Brake |
| Rear Brake | Disc Brake |
| Chain | 520, Non-Sealed |
Suspension & Dimensions
| Front Suspension | WP XACT-USD (AER), Ø 48 mm |
| Rear Suspension | WP XACT Monoshock with Linkage |
| Front Suspension Travel | 310 mm |
| Rear Suspension Travel | 300 mm |
| Front Suspension Adjustment | Compression (High & Low Speed), Rebound |
| Rear Suspension Adjustment | Compression & Rebound Adjustable |
| Seat Height | 958 mm |
| Ground Clearance | 359 mm |
| Tank Capacity (approx.) | 7.2 L |
Description
Special Offers Available!
As low as 3.99% APR for up to 36 Months OR a $500 Rebate — offers cannot be combined.
*Financing subject to credit approval. Offer valid July 1 – August 31, 2026. Terms and conditions may apply.
*Offers are updated monthly. Contact Kurt for the latest information and full details. Don’t miss out on our latest deals.
*Plus freight: $690.
FULL-SCREAM AHEAD
There are very few sounds that can't be beaten: the crack of a soda can on a blistering hot day, the ping of the perfectly executed golf shot, and the scream of a 125 cc 2-stroke full throttle. The KTM 125 SX takes its leads directly from the KTM Factory Racing team for pure performance, pure results. Like the sound it makes, you won't forget it.
Technical Specifications
Engine
| Engine Type | 1-Cylinder, 2-Stroke |
| Displacement | 124.8 cm³ |
| Transmission | 6-Speed |
| Fuel System | Keihin EFI, 39 mm Throttle Body |
| EMS | Vitesco Technologies EMS |
| Primary Drive | 23:73 |
| Clutch | DS Multi-Disc Wet Clutch, Brembo Hydraulics |
Chassis & Brakes
| Frame Design | Central Double-Cradle-Type 25CrMo4 Steel |
| Rear Subframe | Aluminum-Reinforced Polyamide |
| Front Brake | Disc Brake |
| Rear Brake | Disc Brake |
| Chain | 520, Non-Sealed |
Suspension & Dimensions
| Front Suspension | WP XACT-USD (AER), Ø 48 mm |
| Rear Suspension | WP XACT Monoshock with Linkage |
| Front Suspension Travel | 310 mm |
| Rear Suspension Travel | 300 mm |
| Front Suspension Adjustment | Compression (High & Low Speed), Rebound |
| Rear Suspension Adjustment | Compression & Rebound Adjustable |
| Seat Height | 958 mm |
| Ground Clearance | 359 mm |
| Tank Capacity (approx.) | 7.2 L |
