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2. Extract the dust seals and piston seals, taking care not to damage the caliper bores.
Discard the old seals, these must not be reused.
The piston seals are slightly thicker than the dust seals.
1. Piston seals
2. Dust seals
3. Check the pistons, caliper and mounting bracket for signs of damage, paying
particular attention to the caliper bores and pistons. If damage is present, renew the
worn component or the complete caliper assembly.
Front Brake Caliper – Inspection
Always renew caliper seals and pistons after removal from the caliper. An effective
hydraulic seal can only be made if new components are used.
A dangerous riding condition leading to loss of control of the motorcycle or an
accident could result if this warning is ignored.
1. Check the pistons and caliper bores for corrosion, scoring and damage. Renew as
necessary.