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 labelsImmobilizer description (for e-02, 19, 24, 51)
The immobilizer, an anti-theft system, is installed as a
standard equipment.
The immobilizer verifies that the key id agrees with ecm
id by means of radio communication through the
immobilizer antenna. When the id agreement is verified,
the system makes the engine ready to start.
...
Air cleaner element inspection
Inspect air cleaner element
every 6 000 km (4 000 miles, 12 months)
Inspection
Remove the air cleaner element. Refer to “air cleaner element removal
and installation” in section 1d .
Inspect the air cleaner element for clogging. If it is
clogged with dirt, replace it with a new on ...
Rear wheel dust seal / bearing removal and installation
Removal
Remove the rear wheel assembly. Refer to “rear wheel assembly removal
and installation” .
Remove the rear sprocket mounting drum assembly
(1) from the rear wheel.
Remove the wheel dampers (2).
Remove the dust seal.
Special tool
(a): 09913–50121 (oil s ...