Mazda MX-5 NA silhouetteMX-5 NA

INSPECTION

J-23prose procedure
Continued from J-22
Inspect all parts and repair or replace as necessary.

Each gear and main drive gear

Each gear and main drive gear inspection

  1. 1
    Inspect the synchronizer cones for wear.
    Photograph of the main drive gear assembly showing the gear teeth, synchronizer cone, and splined input shaft.
    05U0JX-065
  2. 2
    Inspect the individual gear teeth for wear and cracks.
  3. 3
    Inspect the synchronizer ring matching teeth for damage and wear.
  4. 4
    Inspect the main drive gear splines for damage and wear.

Mainshaft

Mainshaft inspection

  1. 1
    Measure the mainshaft runout.
    Illustration showing the mainshaft being measured for runout using dial indicators (arrows pointing upward at multiple points along the shaft) while supported in V-blocks.
    9MU0JX-056
  2. 2
    Inspect splines for damage or wear.
  3. 3
    Measure the clearance between mainshaft and gear (or bush).
Maximum runoutMainshaft
0.03 (0.0012)mm (in)
Maximum clearancebetween mainshaft and gear (or bush)
0.15 (0.006)mm (in)

Countershaft

Countershaft inspection

  1. 1
    Inspect the gear teeth for wear and cracks.
    Photograph of the countershaft showing the gear cluster and splined sections.
    05U0JX-066
  2. 2
    Inspect the splines for damage and wear.

Clutch hub assembly

Clutch hub assembly inspection

  1. 1
    Inspect the clutch hub sleeve and hub operation.
    Illustration of hands inspecting the clutch hub assembly, sliding the hub sleeve on the hub with arrows indicating sliding motion to check operation.
    9MU0JX-059
  2. 2
    Inspect the individual gear teeth for damge, wear, and cracks.
  3. 3
    Inspect the synchronizer key for damage, wear, and cracks.
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