HOT CAMS Camshaft - Stage 3 for Yamaha YFZ450 (Manufacturer part number: 4097-3IN): performance part designed by HOT CAMS for YFZ450 quads seeking a more pronounced engine character. Developed on test benches and proven by competition teams, this valve lifter is aimed at riders looking to transform the behavior of their engine within a performance setup.
- Target usage: Stage 3 — recommended for Supermoto use or when increasing engine displacement. Suitable for configurations where a specific engine character is desired, especially at high RPMs.
- Installation: must be installed with the original valve springs (in accordance with HOT CAMS manufacturer's instructions).
- Included accessories: two complete sets of adjustment shims for precise timing adjustments.
- Installation advice: installation by an experienced mechanic with appropriate tools is strongly recommended.
- Compatibility: Yamaha YFZ 450 2WD (2007, 2008, 2009 - 450 cc).
This Stage 3 modifies the timing profile to offer a different engine behavior from stock — more suited for sporty uses and advanced preparations. Since the specific numerical characteristics are not provided by the manufacturer here, avoid any promises of precise gains and base your choice on the intended use and overall engine preparation.
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