The FLYWHEEL (magneto, generator, rotor or vaious other names) is affixed to the crank really tight. To get it off, you are going to need a special tool – a flywheel puller.
Special tools (like pullers and adapters) come in two basic types. Those that:
- make the job easier (meaning you can use something else, but it’s just not fun)
- make the job possible (you can’t use anything else, you NEEED the tool)