Acura (Honda) Workshop Service and Repair Manuals

Synchronizer Ring: Specifications

DIMENSIONS 

Ring-to-Gear Clearance: 

Standard ................................................................................................................................................................  0.85 - 1.1 mm (0.033 - 0.043 inch)
Service Limit ...............................................................................................................................................................................  0.4 mm (0.016 inch)

Double Cone Synchro-to-Gear Clearance:[1] 

Standard:

A:  ....................................................................................................................................................................  0.5 - 1.0 mm (0.020 - 0.039 inch)
B:  ....................................................................................................................................................................  0.5 - 1.0 mm (0.020 - 0.039 inch)
C:  ................................................................................................................................................................  0.95 - 1.68 mm (0.037 - 0.066 inch)

Service Limit: 

A ...........................................................................................................................................................................................  0.3 mm (0.012 inch) 
B ...........................................................................................................................................................................................  0.3 mm (0.012 inch) 
C ............................................................................................................................................................................................  0.6 mm (0.024 inch)

[1] A: (Outer Synchro Ring to Synchro Cone) B: (Synchro Cone to Gear) C: (Outer Synchro Ring to Gear)