You need to know the frame and engine serial numbers to get title documents for your motorcycle.
You also need these numbers to help your dealer when you order parts.

The frame number 1 is stamped on the steering head as shown in the illustration. The engine serial number 2 Is stamped on the crankcase assembly.
Write down the serial numbers here for your future reference.
Tampering with noise control system prohibited
Location of labelsIgnition coil and spark plug removal and
installation
Removal
The hot
engine can burn you.
Wait until the engine is cool enough to touch.
Turn the ignition switch off.
Remove the air cleaner box. Refer to “air cleaner box removal and
installation” in section 1d .
Disconnect the lead wire couplers (1).
...
Side stand
An interlock switch is provided to
cut off the ignition circuit when the
side stand is down and the transmission
is in any gear other than
neutral.
The side stand/ignition interlock
switch works as follows:
if the side stand is down and
the transmission is in gear, the
engine ...
Turn signal / side-stand relay removal and
installation
Removal
Turn the ignition switch off.
Remove the frame cover assembly. Refer to “exterior parts removal and
installation” in section 9d .
Remove the turn signal/side-stand relay (1).
Installation
Install the turn signal/side-stand relay in the reverse
order of removal ...