Updated specs are available.
Countershaft center bearing to housing shim clearance (NA6 5MT)
This spec doesn't apply to the car you selected.
Not yet checked against the factory manual for your car's year. It's verified in the 1990 Mazda MX-5 Miata Workshop Manual; later manuals may differ.
0–0.004 in (0–0.1 mm)0–0.1 mm (0–0.004 in)
Factory manualTaken from a Mazda factory workshop manual, with page citation.
Procedure
Measure between countershaft center bearing and bearing housing; select adjustment shims to obtain this clearance. Printed shim thicknesses: 0.1 mm (0.004 in), 0.3 mm (0.012 in).
Applies to
- NA 1990–1993 (B6, 5MT) — 1991–1993 inferred from 1990 factory evidence; actual-year verification is separate.
- Verified in: 1990 Mazda MX-5 Miata Workshop Manual
Sources (1)
View 1 source citations
Page J–30 (PDF p. 362) · Printed value & notes
Part no. 1193-10-89CPage J–30 (PDF p. 362)Printed: “Standard clearance: 0—0.1mm (0—0.004 in) Adjustment shim: 0.1mm (0.004 in), 0.3mm (0.012 in)”
Related service specs
- Drive gear thrust clearances (Y16M-D 6MT)
- Drive gear radial clearances (Y16M-D 6MT)
- Reverse idler gear to shaft radial clearance (Y16M-D 6MT)
- Synchronizer ring to gear flank clearances (Y16M-D 6MT)
- Mainshaft runout — maximum (Y16M-D 6MT)
- Countershaft runout — maximum (Y16M-D 6MT)
- Shift fork to clutch hub sleeve clearance (Y16M-D 6MT)
- 4th gear inner race to thrust washer selection clearance (Y16M-D 6MT)