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TRANSMISSION/TRANSAXLE

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2016 – MX-5 – Transmission/Transaxle

TRANSMISSION/TRANSAXLE

Features

Clutch, manual transmission
  • M66M-D-type manual transmission (SKYACTIV-MT) with 6 forward gears and 1 reverse gear has been adopted.

Automatic transmission
  • SJ6A-EL-type electronically controlled automatic transmission with 6 forward gears, 1 reverse gear, and a TCC mechanism has been adopted.

    • Main features

    • Based on the widening of a torque converter clutch (TCC) range, a contribution to low fuel consumption and the direct feel of a manual transmission vehicle have been realized.

Clutch [M66M-D]

Item

Specifications

Clutch control

Hydraulic

Clutch pedal

Type

Suspended

Pedal ratio

4.58

Full stroke (reference value)

(mm )

117.9 {4.642}

Clutch master cylinder inner diameter

(mm )

15.9 {0.626}

Clutch release cylinder inner diameter

(mm )

20.64 {0.8126}

Clutch cover

Spring type

Diaphragm

Set load

(N {kgf, lbf})

6300 {642.2, 1416}

Clutch disc

Outer diameter

(mm )

215 {8.46}

Inner diameter

(mm )

150 {5.91}

Clutch fluid type

SAE J1703 or FMVSS116 DOT-3

Manual transmission [M66M-D]

Item

Specifications

transmission control

Floor-shift

Operation system

Direct

Shift assist

Synchromesh

Gear ratio

1GR

5.087

2GR

2.991

3GR

2.035

4GR

1.594

5GR

1.286

6GR

1.000

Reverse

4.696

Manual transmission oil

Type

Mazda Original Long Life Gear Oil IS*1

Capacity

(approx. quantity)

(L {US qt, Imp qt})

2.0 {2.1, 1.8}

* 1
Mazda Original Long Life Gear Oil IS is superior oil for optimum shift-feel. Using Mazda Original Long Life Gear Oil IS is recommended. If Mazda Original Long Life Gear Oil IS cannot be obtained, use standard oil (API Service GL-4 (SAE 75W-90)). However, shifting in very low temperatures may become difficult.

Automatic transmission [SJ6A-EL]

Item

Specifications

Gear ratio

1GR

3.552

2GR

2.022

3GR

1.452

4GR

1.000

5GR

0.708

6GR

0.599

Reverse

3.893

ATF

Type

JWS3309

Capacity

(Approx. quantity)

(L {US qt, lmp qt})

7.2 {7.6, 6.3}

Torque converter stall torque ratio

2.00

Hydraulic system

(Number of drive/driven gear plates)

C1 clutch

4/4

C2 clutch

5/5

C3 clutch

4/3

C4 clutch

4/4

B1 brake

3/3

B2 brake

4/3

B3 brake

3/3

B4 brake

5/4

Front planetary gear

(Number of teeth)

Sun gear

38

Pinion gear (inner)

33

Pinion gear (outer)

19

Ring gear

18

Middle planetary gear

(Number of teeth)

Sun gear

26

Pinion gear

20

Ring gear

66

Rear planetary gear

(Number of teeth)

Sun gear

26

Pinion gear

20

Ring gear

66

Identification

  • Each transmission/transmission is assigned a specific Mazda type code. The code can be broken down as follows:

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