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Description
FEATURES
- New replacement meets or exceeds the original manufacturer specifications
- 100% OEM interchangeable
- OEM style connectors
- Stock mounting locations
- Designed to handle increased power loads
Technical Specifications
- MFG. Part Number 230-22083
Vehicle Information
KTM 450 SMR Dirt Bike (2004-2026)
The KTM 450 SMR is a dedicated supermoto racing machine, having undergone continuous development from 2004 to 2026. It is primarily offered as a single, race-ready model rather than in multiple trims. It is powered by a single-cylinder, four-stroke engine, with a displacement ranging from 449 cc to 449.9 cc. Over the years, the 450 SMR has seen several major evolutions. Early models (2004-2007) utilized the carbureted RFS engine. In 2008, the XC4 engine platform and a new chassis were introduced. A significant redesign in 2012 brought electronic fuel injection (EFI) and an updated chassis. After an absence, it returned to North America in 2021, based on the 450 SX-F platform, featuring a compact SOHC engine and supermoto-specific components. Engine, chassis, and fork refinements followed in 2023 and 2025, while the 2026 model focused on noise reduction and connectivity. Q : How can I ensure parts fit my specific KTM 450 SMR?
R : Use the year and edition selector at the top of the page to find parts compatible with your exact model.
Maintenance
| Component | Interval | Details |
| Engine Oil and Oil Filter | 5 to 10 hours (aggressive/race riding) or 10 to 15 hours (recreational riding) | Always replace the filter with each oil change. Recommendations vary slightly by year. |
| Air Filter | 5 hours (aggressive/race riding) or 10 to 15 hours (recreational riding) | Check more frequently in dusty or muddy conditions. |
| Spark Plug | 45 hours | Based on the 2023 manual. Older manuals recommend replacement "as needed". |
| Coolant | 24 months | Based on the 2023 manual. Check level regularly. |
| Belt | Not applicable | The KTM 450 SMR is chain-driven, not belt-driven. Chain maintenance is regular. |
| Valve Inspections | 15 to 20 hours (aggressive/race riding) or 30 hours (recreational riding) | |
| Top-End Inspections (cylinder head, piston, rings) | 25 to 40 hours (aggressive/race riding) or 50 to 60 hours (recreational riding) | |
| Bottom-End Inspections (crankshaft, transmission components) | 50 to 80 hours (aggressive/race riding) or 100 hours (recreational riding) |