Manual Transmission and M/T Differential (K20C1: Type-R)
| Item | Measurement | Qualification | Standard or New | Service Limit |
|---|---|---|---|---|
| Transmission fluid | Capacity | Fluid change | 2.2 L (2.3 US qt) | - |
| Overhaul | 2.6 L (2.7 US qt) | - | ||
| Fluid type | Use Honda MTF. | |||
| Mainshaft | Thrust clearance | 0.14-0.21 mm (0.0055-0.0083 in) | Adjust | |
| Diameter of pilot bearing contact area | 19.967-19.980 mm (0.78610-0.78661 in) | 19.967 mm (0.78610 in) | ||
| Diameter of ball bearing contact area (clutch housing side) | 28.002-28.015 mm (1.10244-1.10295 in) | 28.002 mm (1.10244 in) | ||
| Diameter of needle bearing contact area | 47.984-48.000 mm (1.88913-1.88976 in) | 47.984 mm (1.88913 in) | ||
| Diameter of ball bearing contact area (transmission housing side) | 38.984-39.000 mm (1.53480-1.53543 in) | 38.984 mm (1.53480 in) | ||
| Diameter of 4th/5th gear distance collar contact area | 41.984-42.000 mm (1.65291-1.65354 in) | 41.984 mm (1.65291 in) | ||
| Diameter of 6th gear distance collar contact area | 38.984-39.000 mm (1.53480-1.53543 in) | 38.984 mm (1.53480 in) | ||
| Runout | 0.02 mm (0.0008 in) max. | - | ||
| Mainshaft 2nd, 3rd, 4th, 5th, 6th gears | Clearance | 2nd-3rd | 0.06-0.19 mm (0.003-0.007 in) | 0.19 mm (0.007 in) |
| 4th/5th gear distance collar side | 0.06-0.19 mm (0.0024-0.0075 in) | 0.19 mm (0.0075 in) | ||
| 6th-ball bearing | 0.06-0.19 mm (0.0024-0.0075 in) | 0.19 mm (0.0075 in) | ||
| Thickness | 3rd | 23.89-23.97 mm (0.9405-0.9437 in) | 23.89 mm (0.9405 in) | |
| 4th, 5th | 22.39-22.47 mm (0.8815-0.8846 in) | 22.39 mm (0.8815 in) | ||
| 6th | 25.80-25.88 mm (1.0157-1.0189 in) | 25.80 mm (1.0157 in) | ||
| Mainshaft 4th/5th gear distance collar | Length of needle bearing contact area | 4th/5th | 22.53-22.58 mm (0.8870-0.8890 in) | - |
| Mainshaft 6th gear distance collar | Length | 26.03-26.08 mm (1.0248-1.0268 in) | - | |
| Item | Measurement | Qualification | Standard or New | Service Limit |
|---|---|---|---|---|
| Countershaft | Diameter of needle bearing contact area (clutch housing side) | 43.974-43.990 mm (1.73126-1.73189 in) | 43.974 mm (1.73126 in) | |
| Diameter of ball bearing contact area (transmission housing side) | 30.002-30.015 mm (1.18118-1.18169 in) | 30.002 mm (1.18118 in) | ||
| Diameter of 2nd gear distance collar contact area | 42.975-42.991 mm (1.69193-1.69256 in) | 42.975 mm (1.69193 in) | ||
| Diameter of countershaft reverse gear contact area | 45.934-45.950 mm (1.80842-1.80905 in) | 45.934 mm (1.80842 in) | ||
| Runout | 0.02 mm (0.0008 in) max. | - | ||
| 35 mm shim-to-bearing inner race clearance | 0.04-0.10 mm (0.002-0.003 in) | Adjust | ||
| Countershaft reverse, 1st, 2nd, 3rd gears | Clearance | 1st-countershaft reverse gear | 0.04-0.17 mm (0.0016-0.0067 in) | 0.17 mm (0.0067 in) |
| 2nd-3rd | 0.04-0.17 mm (0.002-0.006 in) | 0.17 mm (0.006 in) | ||
| Thickness | 1st, 2nd | 22.91-22.99 mm (0.9020-0.9051 in) | 22.91 mm (0.9020 in) | |
| Countershaft reverse gear | Length | 23.03-23.08 mm (0.9067-0.9087 in) | - | |
| Countershaft 2nd gear distance collar | Length | 23.03-23.08 mm (0.9067-0.9087 in) | - | |
| Synchro ring (5th, 6th) | Ring-to-gear clearance (ring pushed against gear) | 0.73-1.44 mm (0.029-0.056 in) | 0.73 mm (0.029 in) | |
| Double cone synchro (3rd, 4th) | Outer synchro ring-to-synchro cone clearance (ring pushed against gear) | 0.46-0.97 mm (0.019-0.038 in) | 0.46 mm (0.019 in) | |
| Synchro cone-to-gear clearance (ring pushed against gear) | 0.51-1.07 mm (0.021-0.042 in) | 0.51 mm (0.021 in) | ||
| Outer synchro ring-to-gear clearance (ring pushed against gear) | 0.95-1.68 mm (0.038-0.066 in) | 0.95 mm (0.038 in) | ||
| Triple cone synchro (1st, 2nd) | Outer synchro ring-to-synchro cone clearance (ring pushed against gear) | 0.70-1.19 mm (0.028-0.046 in) | 0.70 mm (0.028 in) | |
| Synchro cone-to-gear clearance (ring pushed against gear) | 0.45-1.14 mm (0.018-0.044 in) | 0.45 mm (0.018 in) | ||
| Outer synchro ring-to-gear clearance (ring pushed against gear) | 1.12-1.68 mm (0.045-0.066 in) | 1.12 mm (0.045 in) | ||
| Shift fork | Finger thickness | 1st/2nd, 3rd/4th, 5th/6th | 7.4-7.6 mm (0.291-0.299 in) | - |
| Reverse | 6.2-6.4 mm (0.244-0.252 in) | - | ||
| Fork-to-synchro sleeve clearance | 0.35-0.65 mm (0.014-0.025 in) | 0.65 mm (0.025 in) | ||
| Reverse shift lever | Finger width | 6.40-6.65 mm (0.2520-0.2618 in) | - | |
| Reverse shift lever width at contact area (reverse shift piece side) | 13.0-13.2 mm (0.512-0.520 in) | - | ||
| Reverse shift lever-to-reverse shift piece clearance | 0-0.4 mm (0-0.016 in) | 0.4 mm (0.016 in) | ||
| Reverse shift lever-to-reverse shift fork clearance | 0.05-0.50 mm (0.002-0.019 in) | 0.50 mm (0.019 in) |
| Item | Measurement | Qualification | Standard or New | Service Limit |
|---|---|---|---|---|
| Shift arm | Shift arm width at contact area | 13.2-13.4 mm (0.520-0.528 in) | - | |
| Shift arm-to-shift piece clearance | 0.65-0.95 mm (0.026-0.037 in) | 0.95 mm (0.037 in) | ||
| Shift piece | Shift piece width at contact area | 12.8-13.0 mm (0.504-0.512 in) | - | |
| Shift piece-to-shift fork clearance | 0.2-0.6 mm (0.008-0.024 in) | 0.6 mm (0.024 in) | ||
| Select arm | Select arm width at contact area | 12.9-13.0 mm (0.508-0.512 in) | - | |
| Select arm-to-interlock clearance | 0.05-0.25 mm (0.002-0.009 in) | 0.25 mm (0.009 in) | ||
| M/T differential carrier | Carrier bearing starting torque (preload) | 3.5-4.5 N.m (35-46 kgf.cm, 30-40 lbf.in) | - | |
| Oil pump | Inner rotor-to-outer rotor clearance | 0.1-0.4 mm (0.004-0.016 in) | 0.4 mm (0.016 in) | |
| Oil pump rotor-to-clutch housing thrust clearance | 0.03-0.13 mm (0.002-0.005 in) | 0.13 mm (0.005 in) | ||
| Outer rotor-to-clutch housing clearance | 0.1-0.2 mm (0.004-0.008 in) | 0.2 mm (0.008 in) |