Yamaha YP250A 1999 Supplementary Service Manual page 85

ANTI-LOCK BRAKE SYSTEM (ABS)
4. Connect:
S Solenoid valve lead connector 1
5. Supply:
S Reservoir tank
Recommended brake fluid
DOT #4
6. Bleed the air.
7. Check the operation of hydraulic unit according
to the decompression.
Refer to [D-6-3] HU OPERATION TEST2.
CAUTION:
Never forget to check the operation of hydrau-
lic unit according to the decompression.
8. Delete the malfunction code. (Refer to [D-6-4])
9. Trial run. (Refer to [D-6-5])
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CHAS