KYMCO X-Town 250 ABS Service Manual page 268

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21 ANTI-LOCK BRAKE SYSTEM (ABS)
X-Town250/300 ABS
Remove the rear wheel speed sensor.
Front Wheel Speed Sensor Rotor Rear Wheel Speed Sensor
Remove the connector of rear wheel speed sensor
Rear Wheel speed Sensor's connector
<Rear Wheel Speed Sensor>
※ Standard clearance: Less than 0.8mm between the Front wheel speed sensor and
Front Wheel Speed Sensor Rotor
21-5