2023 KTM 450 SX-F Factory

Specifications
- Category
- Cross / motocross
- Displacement
- 449.9 ccm (27.45 cubic inches)
- Power
- 63.0 HP (46.0 kW)
The 2023 KTM 450 SX-F Factory
2023 KTM 450 SX-F Factory sits at the top of KTM's motocross range, essentially the closest thing you can buy to a factory holeshot device with lights left off and a plate never bolted on. This is a full-size 450 motocrosser built for riders who race, not commute or trail ride on weekends. The power delivery is sharp and demands respect low in the rev range, but it's the chassis and suspension that separate this machine from a standard SX-F — it turns with less effort and holds a line through rough, rutted tracks better than bikes costing less. Ownership means regular top-end maintenance, fresh tires, and accepting that this is a consumable racing tool rather than a garage queen. The 2023 model carried over without significant mechanical changes from the prior year — buyers comparing it to a 2022 example should focus on mileage, service history, and condition rather than spec differences. Expect interest from serious amateur racers and former pro-am riders stepping back into competition, plus a smaller group of collectors drawn to Factory-spec machines with clean provenance and low engine hours.
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