Honda VTR1000F (1998-2003) [114/377] Caution

FUEL SYSTEM EVAP CARBURETOR AIR VENT CAV CONTROL VALVE INSPECTION NOTE TO OPEN AIR TO AIRVENT JOINT The EVAP CAV control valve should be inspected if hot restart is difficult TO AIR VENT JOINT Remove the EVAP CAV control valve Connect a vacuum pump to the No 10 tube fitting vacuum port that goes to the front cylinder intake manifold Apply the specified vacuum to the EVAP CAV control valve SPECIFIED VACUUM 250 mm Hg 9 8 in Hg The specified vacuum should be maintained Replace the EVAP CAV control valve if vacuum is not maintained Remove the vacuum pump and connect it to the air vent fitting open air port Apply vacuum to the EVAP CAV control valve The vacuum should hold steady Replace the EVAP CAV control valve if vacuum leaks Remove the vacuum pump and reconnect it to the No 10 tube fitting vacuum port Connect a pressure pump to the open air port CAUTION Damage to the EVAP CAV control valve may result from use of a high pressure air source Use a hand operated air pump only While applying vacuum to the EVAP CAV control valve vacuum port pump air through the open air port Air should flow through the EVAP CAV control valve and out the air vent ports No 6 tube fittings that go to the carburetor air vent joints Plug the air vent ports No 6 tube fittings that go to the carburetor air vent joints While applying vacuum to the EVAP CAV control valve vacuum port pump air through the open air port It should hold steady Replace he EVAP CAV control valve if pressure is not retained Remove the pumps and install the EVAP CAV con trol valve TO INTAKE MANIFOLD Vacuum port VACUUM PUMP