When placing an order, refer to the list provided below to avoid any mistakes.
| Tool No. | Tool name/How to use | Illustration |
| Weight 90890-01084 Bolt 90890-01085 | Slide hammer bolt/weight These tools are used to remove the rocker arm shaft. |  |
| 90890-01135 | Crankcase separating tool This tool is used to remove the crankshaft. |  |
| 90890-01229 | Coupling gear/Middle shaft tool This tool is needed when removing or installing the final pinion shaft nut. |  |
| Final gear backlash band 90890-01230 Middle gear backlash band 90890-01231 | Final gear backlash band This tool is needed when measuring final gear/middle gear backlash. |  |
| Installer pot 90890-01274 Bolt 90890-01275 Adaptor 90890-04130 Spacer 90890-04060 | Crankshaft installer pot/bolt/adapter/spacer These tools are used to install the crankshaft. |  |
| 90890-01304 | Piston pin puller This tool is used to remove the piston pin. |  |
| 90890-01312 | Fuel level gauge This gauge is used to measure the fuel level in the float chamber. |  |
| T-handle 90890-01326 Holder 90890-01460 | T-handle/damper rod holder These tools are needed to loosen and tighten the damper rod holding bolt. |  |
| Puller 90890-01362 Adapter 90890-04131 | Flywheel puller/adapter These tools are needed to remove the rotor. |  |
| Weight 90890-01367 Adapter 90890-01381 | Fork seal driver weight/adapter These tools are needed when installing the slide metal, oil seal and dust seal into the fork. |  |
| Ring nut wrench 90890-01403 Exhaust nut wrench 90890-01268 | Ring nut wrench/exhaust and steering nut wrench This tool is needed to loosen and tighten the steering stem ring nut. |  |
| 90890-01701 | Sheave holder This tool is needed to hold the rotor when removing or installing the rotor bolt. |  |
| 90890-03081 | Compression gauge set These tools are needed to measure engine compression. |  |
| 90890-03094 | Vacuum gauge This gauge is needed for carburetor synchronization. |  |
| 90890-03112 | Pocket tester This instrument is needed for checking the electrical system. |  |
| 90890-03113 | Engine tachometer This tool is needed for observing engine r/min. |  |
| 90890-03141 | Timing light This tool is necessary for checking ignition timing. |  |
| 90890-04014 | Valve guide remover & installer This tool is needed to remove and install the valve guide. |  |
| 90890-04019 | Valve spring compressor This tool is needed to remove and install the valve assemblies. |  |
| Adapter 90890-01277 Shock puller 90890-01290 Weight 90890-01291 | Crankshaft installer bolt adapter/armature shock puller/weight These tools are needed when removing the final pinion shaft. |  |
| 90890-04137 | Bearing retainer wrench This tool is needed when removing or installing the middle drive shaft assembly. |  |
| Wrench 90890-04138 Holder 90890-04055 | Middle drive shaft nut wrench/Middle drive shaft holder These tools are needed when removing or installing the middle drive shaft bearing. |  |
| 90890-04062 | Universal joint holder This tool is needed when removing or installing the driven pinion gear nut. |  |
| 90890-04077 | Bearing retainer wrench This tool is needed when removing or installing the final drive pinion gear assembly. |  |
| 90890-04086 | Clutch holding tool This tool is needed to hold the clutch when removing or installing the clutch boss nut. |  |
| 90890-04090 | Damper spring compressor This tool is needed when removing or installing the damper spring. |  |
| 90890-06754 | Dynamic spark tester Ignition checker This instrument is necessary for checking the ignition system components. |  |
| 90890-85505 | Yamaha bond No.1215 This sealant (bond) is used on crankcase mating surfaces, etc. |  |