Major Overhaul — Gear Components (Cont'd)
MT-8parts diagramExcept for Europe variant. Torque specification for mainshaft lock nut is listed as 'Without Tool' condition.
Gear Components (Cont'd)
EXCEPT FOR EUROPE
Parts DiagramFig. fig1
| # | Part Name | Notes / Torque |
|---|---|---|
| 1 | Washer | Select with proper thickness (★) |
| 2 | Snap ring ★ | Select with proper thickness; has directional symbol (⊗) |
| 3 | Pilot bearing | — |
| 4 | Snap ring | — |
| 5 | Main drive gear ball bearing | — |
| 6 | Washer | — |
| 7 | Snap ring ★ | Select with proper thickness; has directional symbol (⊗) |
| 8 | Main drive gear | — |
| 9 | Baulk ring | — |
| 10 | Insert spring | — |
| 11 | 3rd & 4th coupling sleeve ☆ | Pay attention to its direction (☆) |
| 12 | 3rd main gear | — |
| 13 | Needle bearing | — |
| 14 | 3rd outer baulk ring | — |
| 15 | 3rd inner baulk ring | — |
| 16 | Synchronizer cone | — |
| 17 | Insert spring | — |
| 18 | 3rd & 4th synchronizer hub ☆ | Pay attention to its direction (☆) |
| 19 | Steel roller | — |
| 20 | Steel ball | — |
| 21 | 1st gear bushing | — |
| 22 | 1st main gear | — |
| 23 | Thrust washer | — |
| 24 | Mainshaft ball bearing | — |
| 25 | Mainshaft | — |
| 26 | 1st & 2nd coupling sleeve ☆ | Pay attention to its direction (☆) |
| 27 | Baulk ring | — |
| 28 | 2nd outer baulk ring | — |
| 29 | Synchronizer cone | — |
| 30 | 2nd inner baulk ring | — |
| 31 | 2nd main gear | — |
| 32 | Needle bearing | — |
| 33 | Insert spring | — |
| 34 | 1st & 2nd synchronizer hub | — |
| 35 | Needle bearing | — |
| 36 | Shifting insert ☆ | Pay attention to its direction (☆) |
| 37 | Shifting insert spring | — |
| 38 | O.D. (5th) main gear | — |
| 39 | Overdrive gear bushing | — |
| 40 | Reverse counter gear | — |
| 41 | Baulk ring | — |
| 42 | Reverse main gear | — |
| 43 | Woodruff key | — |
| 44 | Insert retainer | — |
| 45 | O.D. (5th) synchronizer hub ☆ | Pay attention to its direction (☆) |
| 46 | Shim ★ | Select with proper thickness |
| 47 | Counter shaft front bearing | — |
| 48 | Snap ring ★ | Select with proper thickness; has directional symbol (⊗) |
| 49 | Counter drive gear ★ | Select with proper thickness |
| 50 | Sub-gear | — |
| 51 | Sub-gear spring ☆ | Pay attention to its direction (☆) |
| 52 | Sub-gear bracket | — |
| 53 | Snap ring | Has directional symbol (⊗) |
| 54 | Mainshaft rear end bearing | — |
| 55 | Speedometer drive gear | — |
| 56 | Snap ring | Has directional symbol (⊗) |
| 57 | Snap ring ★ | Select with proper thickness; has directional symbol (⊗) |
| 58 | Mainshaft lock nut | Has directional symbol (⊗); torque: 137-167 N·m (14.0-17.0 kg·m, 101-123 ft·lb) Without Tool |
| 59 | Thrust washer | — |
| 60 | Roller bearing | — |
| 61 | Washer ☆ | Pay attention to its direction (☆) |
| 62 | Countershaft lock nut | Has directional symbol (⊗); torque: 98-127 N·m (10.0-13.0 kg·m, 72-94 ft·lb) |
| 63 | Countershaft rear end bearing | — |
| 64 | Overdrive counter gear | — |
| 65 | Reverse counter gear spacer | — |
| 66 | Counter rear bearing | — |
| 67 | Counter gear | — |
| 68 | Reverse idler gear | — |
| 69 | Snap ring | Has directional symbol (⊗) |
| 70 | Reverse idler thrust washer | Rear side |
| 71 | Reverse idler gear bearing | — |
| 72 | Reverse idler thrust washer | Front side |
| 73 | Reverse idler shaft | — |
| Specification | Value |
|---|---|
| Mainshaft lock nut torqueWithout Tool | 137 - 167N·m |
| Mainshaft lock nut torqueWithout Tool | 14.0 - 17.0kg·m |
| Mainshaft lock nut torqueWithout Tool | 101 - 123ft·lb |
| Countershaft lock nut torque | 98 - 127N·m |
| Countershaft lock nut torque | 10.0 - 13.0kg·m |
| Countershaft lock nut torque | 72 - 94ft·lb |
Mainshaft lock nut torqueWithout Tool
137 - 167N·m
Mainshaft lock nut torqueWithout Tool
14.0 - 17.0kg·m
Mainshaft lock nut torqueWithout Tool
101 - 123ft·lb
Countershaft lock nut torque
98 - 127N·m
Countershaft lock nut torque
10.0 - 13.0kg·m
Countershaft lock nut torque
72 - 94ft·lb
IMPORTANT
Apply gear oil to gears, shafts, synchronizers and bearings when assembling.
NOTE
★ : Select with proper thickness.
☆ : Pay attention to its direction.
[⊗] : N·m (kg·m, ft·lb)