
VERTEX Steel Intake Valve - Yamaha YZ400F/YZ426F
Manufacturer part number: 8400006-2
Single intake valve delivered, designed by VERTEX for the preparation and maintenance of motocross machine cylinder heads. Made of steel, this valve is intended for replacement on the listed YAMAHA YZ 400 F / YZ 426 F models below. A simple and robust spare part to restore correct valve clearance and ensure reliable engine operation.
Before installation, check the condition of the valve seat and guide, as well as the valve clearance and timing alignment. Suitable for demanding mechanics and riders who are overhauling their engine after an off-road season. VERTEX offers a durable part for the intake circuit, to be integrated during a cylinder head refurbishment or reassembly after wear.