| Fig. | Item # | Hodaka Part # | Description | Amt. |
| R2 | 48 | 939155 | Chain guard | 1 |
| R2 | 49 | (10)0645 | Chain guard bolt | 1 |
| R2 | 50 | (63)06015 | Chain guard spring washer | 1 |
| R2 | 51 | (10)0850 | Chain guard bolt | 1 |
| R2 | 52 | (62)08016 | Chain guard washer | 1 |
| R2 | 53 | (63)0802 | Chain guard spring washer | 1 |
| R2 | 54 | Chain420R | Chain No. 420 RK Heavy Duty Chain 120 links w/connector | 1 |
| R2 | 55 | 420MasterLink | Chain connector #420 | 1 |
| R2 | 56 | 909159 | Chain guide and sprocket protector | 1 |
| R2 | 57 | (10)0820 | Chain guide bolt | 1 |
| R2 | 58 | 909160 | Chain guide setting bolt lock washer | 1 |
| R2 | 59 | (62)08016 | Chain guide washer | 1 |
| R2 | 60 | (63)0802 | Chain guide spring washer | 1 |
| R2 | 61 | (51)08065 | Chain guide nut | 1 |
| R2 | 62 | 939190 | Exhaust system assembly HU type assembly (63/66) | 1 |
| R2 | 63 | 939191 | Muffler HU type | 1 |
| R2 | 64 | 939192 | Exhaust joint | 1 |
| R2 | 65 | 939193 | Exhaust bracket | 1 |
| R2 | 66 | 939194 | Exhaust spring | 2 |
| R2 | 67 | 929182 | Muffler clamp | 1 |
| R2 | 68 | 929183 | Exhaust clamp U bolt | 1 |
| R2 | 69 | (62)08016 | Exhaust washer | 2 |
| R2 | 70 | (63)0802 | Exhaust spring washer | 2 |
| R2 | 71 | (51)0807 | Exhaust nut | 2 |