91SRS PAERTS LIST
| NO. | PART# | DESCRIPTION | QTY | PRICE |
| 1 | S9301 | Crankcase | 1 | 7,900 |
| 2 | S9302 | Cylinder head | 1 | 4,000 |
| 3 | S9103 | Head gasket | 1 | 200 |
| 4 | S5104 | Head screws | 6 | 200 |
| 5 | S9305S | piston & liner | 8,200 | |
| 6 | S9305 | Cylinder liner | 1 | 4,800 |
| 7 | S9306 | Piston side exhaust | 1 | 2,700 |
| 8 | S9107 | Piston ring | 1 | 1,300 |
| 9 | S7108 | Wrist pin | 1 | 400 |
| 10 | R6108 | Wrist pin retainer | 2 | 400 |
| 11 | S5110 | Connecting rod | 1 | 1,400 |
| 12 | S9311 | Crank shaft | 1 | 3,600 |
| 13 | R6211 | Front bearing | 1 | 900 |
| 14 | S9113 | Rear bearing | 1 | 1,200 |
| 15 | R6115 | Drive washer spacer | 1 | 200 |
| 16 | R6217 | Prop nut | 1 | 150 |
| 17 | S9216 | Back plate | 1 | 2,300 |
| 18 | S9117 | Back plate gasket | 1 | 200 |
| 19 | R6120 | Back plate screws | 4 | 200 |
| 20 | S9119S | Carburetor assembly | 8,300 | |
| 21 | S9119 | Carburetor body | 1 | 3,400 |
| 22 | S5120 | Carburetor gasket | 1 | 200 |
| 23 | S9121 | Throttle barrel | 1 | 1,400 |
| 24 | R6124 | Throttle barrel retainer | 1 | 200 |
| 25 | S4125S | Needle valve assembly | 1,800 | |
| 26 | S4125 | Hover needle valve | 1 | 800 |
| 27 | F1546 | Needle valve O ring | 1 | 100 |
| 28 | F1555 | Needle valve seat | 1 | 600 |
| 29 | F1556 | Needle valve seat O ring | 2 | 200 |
| 30 | S5128 | Needle valve detent spring | 2 | 500 |
| 31 | S9122 | High speed needle seat | 1 | 600 |
| 32 | S8130 | High speed needle valve | 1 | 700 |
| 33 | R6203 | High speed needle valve O ring | 1 | 100 |
| 34 | S5131 | Low speed needle valve | 1 | 800 |
| 35 | S8133 | Low speed needle valve O ring | 1 | 200 |
| 36 | F1260S | Throttle arm set | 1 | 350 |
| 37 | S7132 | Carburetor screws | 2 | 200 |
| 38 | S5135 | Carburetor subplate | 1 | 1,300 |
| 39 | S7134 | Regulator subplate | 1 | 600 |
| 40 | S8138A | Regulator assembly | 3,800 | |
| 41 | S7136 | Diaphragm | 1 | 400 |
| 42 | S7140 | Regulator gasket | 1 | 200 |
| 43 | S7139 | Regulator screws | 4 | 200 |
| 44 | S7143 | Nipple | 1 | 300 |
| 45 | S7144 | Check valve | 1 | 700 |
| 46 | F1265 | Shaft key | 1 | 200 |
| 47 | S9143 | Gasket set | 2 | 400 |
| 48 | S9146 | O-ring set | 6 | 600 |