Yamaha YP250R 2005 Service Manual page 353

2. Using the code re-registering key, turn the main switch to "ON", then to "OFF", and then remove
the key within 3 seconds.
NOTE:
All existing standard key codes will be erased from the memory when the key registration mode is
activated. When the key registration mode is activated, the immobilizer system indicator light is ON
for 2 seconds, then will be OFF.
3. Insert the standard key to be registered into the main switch, and then turn the main switch to
"ON" within 3 seconds.
4. After the above procedure, turn the main switch to "OFF", remove the key and then insert the
second standard key and turn the main switch to "ON" to be registered into the main switch within
10 seconds.
5. Turn the main switch from "ON", to "OFF", and then remove the key within 3 seconds.
6. Within 5 seconds and using the code re-registering key turn the main switch to "ON", to "OFF",
and then remove the key within 3 seconds.
NOTE:
When the indicator light goes off, registration is complete.
NOTE:
Don't make this registration procedure by standard key for virgin CDI unit. If main switch is turned
"ON" with a standard key and CDI unit is virgin, then, for the CDI unit, this standard key will be like
re-registering key.
7. Check that the engine can be started with the two registered standard keys.
Main
Standard key
switch
registration
LED
less than 3.0 s less than 10.0 s less than 3.0 s less than 10.0 s
ON
Code re-regis-
OFF
tering key
On
Off
IMMOBILIZER SYSTEM
First standard
key
Registration mode
Immobilizer system indicator light stops flash-
0.5 s 0.5 s
ing when the registration of the second stan-
dard key is complete.
8 - 59
– +
ELEC
Registration of the sec-
ond standard key is
complete.
Second standard key