Mazda MX-5 Miata Sport 2007 Manual page 501

2006-08 TRANSMISSION Automatic Transmission Overhaul - MX-5 Miata & RX-8
46.038-46.063 mm {1.81252-1.81350 in}
CAUTION:
2. Using a dial gauge, measure the inner diameter of the front planetary gear component bushings.
Front planetary gear component bushing inner diameter
48.755-48.780 mm {1.91949-1.92047 in}
CAUTION:
2007 Mazda MX-5 Miata Sport
Measure at different places and take an average. If it exceeds

the specification, replace the front planetary ring gear flange
with a new one.
When the front planetary ring gear flange is replaced, inspect

the contact surface opposed to the middle planetary gear
component.
If the surface of it is scratched or has changed color, replace

the middle planetary gear component with a new one.
Fig. 232: Measuring Inner Diameter Of Front Planetary Ring
Gear Flange Bushings
Measure at different places and take an average. If it exceeds

the specification, replace the front planetary gear component
with a new one.
When the front planetary gear component is replaced, inspect

the contact surface opposed to the clutch hub.
If the surface of it is scratched or has changed color, replace

the clutch hub with a new one.