MX-5 NA Service ManualMX-5 NA

Torque Specs Tools Parts Diagrams

Mainshaft and Countershaft Parts (continued)

J-35prose procedure

Continued from J-34

Parts DiagramFig. page-0366_fig1

Parts diagram

#	Part Name	Notes
1	Clutch hub	—
2	Synchronizer key	—
3	Clutch hub sleeve	—
4	Synchronizer key spring	—
5	Synchronizer ring (4th)	—
6	Needle bearing	—
7	Main drive gear	—
8	Bearing housing assembly	—
9	Washer	—
10	Mainshaft gear assembly	Assembly Note, page J-35
11	Countershaft	Assembly Note, page J-35
12	Counter reverse gear	—
13	Washer	—
14	Inner race	—
15	Needle bearing	—
16	Reverse gear	—
17	Synchronizer ring (Reverse)	—
18	Clutch hub assembly	—
19	Locknut (Mainshaft)	Assembly Note, page J-35
20	Synchronizer ring (5th)	—
21	5th gear	—
22	Steel ball	—
23	Thrust lock washer	Assembly Note, page J-36
24	C-washer	—
25	Retaining ring	—
26	Mainshaft rear bearing	Assembly Note, page J-36
27	C-washer	Assembly Note, page J-36
28	Retaining ring	Assembly Note, page J-36
29	Washer	Assembly Note, page J-36
30	Snap ring	—
31	Spacer	—
32	Counter 5th gear	—
33	Countershaft rear bearing	—
34	Locknut (Countershaft)	Assembly Note, page J-37

Assembly note

Mainshaft and countershaft

1
Place the mainshaft gear assembly and the countershaft on the bearing housing.
2
Use a suitable bar to press in the countershaft.
97U0J1-057

Locknut (Mainshaft)

NOTE

Use pads in the vise to prevent damaging the bearing housing.

Locknut (Mainshaft)

1
Secure the bearing housing in a vise.
97U0J1-058
2
Slide the clutch hub sleeves onto 1st and reverse gears to lock the mainshaft.
3
Tighten a new locknut with the SST.
97U0J1-059
4
Use a chisel to stake the locknut.

Specification	Value
Tightening torque (mainshaft locknut)	≈1255 - 2305N·m

Tightening torque (mainshaft locknut)

1255 - 2305N·m

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See also

J-35Mainshaft and Countershaft Parts (continued)J-37Locknut (Countershaft)