Remove any dirt from the chain and lubricate at every 500 km using a chain lube.

See how the teeth appear when in good condition.

See how the worn teeth are. Replace them immediately.

If you can see a whole tooth when you pull the chain, replace the relation kit

Do not leave your chain too loose; consult your mechanic to set the tension.

Keep the relation kit lined up when changing it; otherwise the kit will be damaged. In case of doubt, consult your mechanic.