2027 KTM 50 SX
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2027 KTM 50 SX
The 2027 KTM 50 SX is a competition-focused youth motocross motorcycle designed for young riders who are ready to develop their skills on a true race machine. Its lightweight chassis, responsive 49.9cc two-stroke engine, and single-speed transmission provide an approachable riding experience without sacrificing the performance expected from KTM’s SX lineup.
Equipped with an adjustable centrifugal clutch, premium WP XACT suspension, front and rear disc brakes, and a durable double-cradle frame, the KTM 50 SX gives developing racers the control, confidence, and capability needed for the track.
Engine
| Engine Design | Single-cylinder, two-stroke engine |
| Displacement | 49.9cc |
| Transmission | Single-speed transmission |
| Fuel System | Dell’Orto PHBG 19 BS |
| Clutch | Adjustable centrifugal clutch |
| Primary Drive | 33:61 |
| Clutch Primary Drive Teeth | 61 |
| Engine Oil | Motorex ATF Dexron 3 |
Chassis
| Frame Design | Central-tube frame with double-cradle |
| Rear Subframe Design | Steel and polyamide glass fiber |
| Front Brake | Disc brake |
| Rear Brake | Disc brake |
| Chain | 415 non-sealed chain |
Suspension
| Front Suspension | WP XACT 35mm upside-down fork |
| Rear Suspension | WP XACT monoshock |
| Front Suspension Travel | 165mm |
| Rear Suspension Travel | 190.5mm |
| Front Suspension Adjustment | Compression and rebound adjustable |
| Rear Suspension Adjustment | Compression and rebound adjustable |
Dimensions and Capacity
| Seat Height | 653mm / 25.7 inches |
| Ground Clearance | 233mm / 9.2 inches |
| Fuel-Tank Capacity | Approximately 2.3 liters / 0.61 gallons |
| Weight Without Fuel | 43.5kg / 95.9 pounds |
Specifications, equipment, and availability are subject to change without notice. Images may show optional accessories or equipment not included with the motorcycle.
Features
- 49.9cc Two-Stroke Engine: The compact single-cylinder engine delivers responsive power in a lightweight package designed for youth motocross competition.
- Single-Speed Transmission: The simplified drivetrain allows young riders to focus on throttle control, braking, cornering, and riding technique.
- Adjustable Centrifugal Clutch: The automatic clutch can be adjusted to suit rider ability, track conditions, and preferred power delivery.
- Dell’Orto Carburetor: The Dell’Orto PHBG 19 BS carburetor provides dependable fuel delivery and responsive engine performance.
- Double-Cradle Frame: The central-tube steel frame is engineered to provide durability, stability, and predictable handling.
- WP XACT Front Suspension: The 35mm upside-down fork provides 165mm of travel with adjustable compression and rebound damping.
- WP XACT Rear Shock: The rear monoshock provides 190.5mm of travel and adjustable compression and rebound damping.
- Front and Rear Disc Brakes: Disc brakes provide strong, controlled stopping performance for developing racers.
- Lightweight Rear Subframe: Steel and polyamide glass-fiber construction combines strength with reduced weight.
- Youth-Focused Ergonomics: A 653mm seat height and compact riding position are designed for smaller riders.
- Lightweight Construction: At approximately 43.5kg without fuel, the 50 SX is easy for young riders to maneuver and control.
PRODUCT PDF RESOURCES ▾
Download official PDF resources for the 2027 KTM 50 SX, including the product brochure and owner’s manual when available.
See TERMS for details. Plus government fees and taxes, any finance charges, dealer document processing charges, electronic filing fees, emission testing charges, and freight. All sale prices include applicable factory incentives. Availability may vary. Some items may not be in immediate dealer stock and may require ordering. Estimated order time ranges from 1 to 90 days. Please see terms for full details. Please call to confirm availability.