Ducati superbike 899 panigale Owner's Manual page 206

ABS
Check that the front (1) and rear (2) phonic wheels are
clean.
Attention
Clogged reading slots would compromise
system proper operation. It is advisable to disable
ABS in case of a very muddy road surfaces, as in
these conditions the system might be subject to
sudden failure.
Attention
Prolonged rearing could deactivate the ABS.
206
2
1
Fig 124
Fig 125