20. EXHAUST EMISSION CONTROL SYSTEM GRAND DINK 125/150 Cylinder Head Cover REED VALVE REMOVAL Remove the frame center cover. Remove the floor board cover. Disconnect the secondary air inlet tube connector. Remove the reed valve cover three bolts and two secondary air outlet tube nuts. Reed Valve Cover Remove the three bolts attaching the reed valve cover and the reed valve. Reed Valve INSPECTION Check the reed valve for cracks, damage, big clearance or weak reeds. Replace if necessary. Check the gasket and O-ring for damage or deterioration and replace if necessary. Reed valve stopper clearance: 4.6mm INSTALLATION Install the reed valve in the reverse order of removal. Reed Stopper · When installing, be careful not to bend or twist the tubes and check for Reed Valve stopper proper installation. 20-4