A selection of documents to assist with rebuilding your Rotax engine
Serial Numbers | List of Rotax serials numbers showing engine size and type for most motors. | Rotax Serial numbers |
Exploded Engine | Taken from the the original MX1 service manual, showing the oil injection motor in exploded view. | Exploded Engine |
Engine Disassembly | Taken from the the original MX1 service manual, showing basic steps to engine disassembly. | Engine Disassembly |
Engine Assembly | And then showing basic steps to engine disassembly. | Engine Assembly |
175/250 Tuning Guide | A guide from 1976 on how to tune your 175/250 Rotax motor | 175 250 Tuning Guide |
Disc Location | How to correctly locate the disc valve when assembling the engine | DISCLOCN |
Precombustion Drain Plug | Location guide for the precombustion chamber drain plug | Drain Plug |
Engine Serial Number | Locating the engine serial number on all Rotax motors | Engine Serial Number |
Oil Drain Plug | Location guide for the crankcase drain plug | Oil Drain Plug |
Early shaft | The Rotax motors has two designs of kick start shaft – early version...... | Early Shaft |
Late shaft | ........ and later version | Late Shaft |
Torque Specifications | General torque settings for the 244 engine | Torque Specs for 244 Motor |
Rotax Engine Parts Manuals
A selection of Rotax parts list covering various engines
List 349-406GS-406MC 1980 covers the CMX 400 engine | 349-406GS-406MCde1980 |
List 196 covers the 370cc engine | 196 List 370 Engine |
List 163 covers the MX2 125 engine | 163 LIST |
List 317 covers the MX6 125 engine | LIST 317-124 MX 1980 |
List 75 covers the 125 and 175 TNT engine | 75 LIST 124-174 TNT - 1974 (2) |
List 366 covers the 240 trials engine | 240cctrialSWM1982 |
List 370 covers the Belgian Military engine
List 178 covers the Series 1 UK Military engine List 332 covers the Series II UK Military engine |
List 370 Belgian Military Motor |
List 138 covers 1977 Qualifier 250 engine | LIST 138 244 END 1976-7 Qualifier 1 250 Engine |
List 318 covers the 1980 MX6 250 engine | LIST 318 - 244 1980 |
List 351 covers the 350 trials engine | List 351 350 Trials Motors |