Camshaft Exhaust Stage 2 Yamaha YFZ 450 R 2009-2017, 2019-2027 / Yamaha YFZ 450 R 2018 (AMERICA) / Yamaha YFZ 450 RSE Special Edition 2009-2019 / Yamaha YFZ 450 X 2010-2011 (AMERICA)

Camshaft Exhaust Stage 2 Stage 2 is designed for mid to top end gains Adds a 5%-10% power gain Designed and dyno proven in the USA Manufactured by utilizing state of the art valvetrain software CNC machined from 8620 billet, case-hardened steel for an exact fit and lobe profile Engineered to be drop-in cams, that use stock valve springs (unless otherwise noted). Select cams feature Hot Cams Improved Throttle Design (ITR) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end. For dual cam engine. Mid to top end rpm power increase and minimal bottom end loss. Designed with I.T.R. technology. Includes auto-decompression mechanism. Exhaust Valve Lash: 0.220 mm.

Supplier reference: 09251010
Manufacturer reference: 4289-2E

UK standard delivery: 6–10 working days. In-stock parts dispatch within 2–3 working days.

Delivery information

Returns information