This is the second part of the Rae San Hall Effect ignition kit engine components install guide – See here for the previous step or check out the overview of the process.
Grab your new rotor:

On one side you’ll likely find an empty hole:

On the other you will find a glued in magnet:

If there isn’t one already draw a mark on the rotor in line with the trailing edge of the magnet:

Note that there’s a tang on the other end of the rotor and a matching tang on the flywheel:


Grab the bolt for the rotor, install a metal washer:

Grab some blue threadlocker (eBay US, eBay AU, eBay UK, eBay CA):

Apply the threadlocker to the bolt:

Seat the rotor into the flywheel, trying to ensure that it is as centered as possible if there is any wiggle room:


Grab a 5mm hex key:

Tighten – we chose 100in/lb:

Done with this step:

Now check out part three…