Acura (Honda) Workshop Service and Repair Manuals

Valve Guide: Specifications

Stem-to-Guide Clearance (wobble method):

Intake Valve 

Standard (New) ...................................................................................................................................................  0.04 - 0.10 mm (0.002 - 0.004 inch)
Service Limit .............................................................................................................................................................................  0.16 mm (0.006 inch)

Exhaust Valve

Standard (New) ...................................................................................................................................................  0.10 - 0.16 mm (0.004 - 0.006 inch)
Service Limit .............................................................................................................................................................................  0.22 mm (0.009 inch)

Stem-to-Guide Clearance (Valve Guide I.D. minus Valve Stem O.D. method)

Intake valve

Standard (New) ...................................................................................................................................................  0.02 - 0.05 mm (0.001 - 0.002 inch)
Service Limit .............................................................................................................................................................................  0.08 mm (0.003 inch)

Exhaust Valve

Standard (New) ...................................................................................................................................................  0.05 - 0.08 mm (0.002 - 0.003 inch)
Service Limit .............................................................................................................................................................................  0.11 mm (0.004 inch)

Valve Guide Installed Height:

Intake .....................................................................................................................................................................  15.75 - 16.25 mm (0.620 - 0.640 inch)
Exhaust ..................................................................................................................................................................  15.75 - 16.25 mm (0.620 - 0.640 inch)