
VERTEX Steel Exhaust Valve - Ref. 8400003-1
Replace the worn exhaust valve of your Honda XR400R with a VERTEX steel part designed to restore reliable operation of the exhaust system. Sold individually, this valve is aimed at riders who want to maintain the reliability of their trail/cross engine without compromise.
Ideal for restoring the cylinder head, this valve installs in the exhaust seat and regains the functionality of the exhaust flap, contributing to the control of burned gases. Before installation, check the condition of the seats and guides, verify the valve clearance, and proceed with cleaning and lapping according to the manufacturer's recommendations. A careful installation and correct timing ensure a long life for the part.
Whether you are restoring a trail bike for leisure or circuit work, this VERTEX valve is a serious option for restoring the reliability of the valve train in your XR400R.