TRANSMISSION/TRANSAXLE
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.
-
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.
-
Main features
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:
