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Description
The Tusk Brake Caliper Rebuild Kit for KTM 450 SMR Dirt Bikes are a great way for you to keep your bike in perfect working order! They are made to OEM quality and contain all the rubber parts necessary to rebuild one caliper. When in need of tools or parts for your motorcycle, ATV, and UTV think Tusk.
Features
- Contains all the rubber parts necessary to rebuild one caliper.
- Parts include boots, seals, bleeder cap, brake pad retaining pins and copper washers as needed.
Technical Specifications
- MFG. Part Number T-18-3029
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) |