Ducati STREETFIGHTER Owner's Manual page 208

ABS device
Check that the front (1) and rear (2) phonic wheels are
clean.
Attention
Clogged reading slots would compromise
system proper operation. It is recommended to
disable ABS system in case of muddy road surface
because under this condition the system might be
subject to sudden failure.
Attention
Prolonged wheelies could deactivate the ABS
system.
1
2
Fig 166
Fig 167
207