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Your motorcycle’s drive chain has more slack than the manufacturer specifies. What should you do?

Correct answer

Inspect it and adjust slack according to the manufacturer’s manual.

Have it inspected and adjusted using the procedure and slack specified for that model, along with the prescribed cleaning and lubrication. The chain requires some slack: do not tighten it until all slack disappears. There is no universal 20–30 mm value for every motorcycle. Also check wear and variations in tension; consult a workshop if you lack the necessary skills or tools. Do not adjust or clean the chain with the engine running.

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All options

  • Inspect it and adjust slack according to the manufacturer’s manual.

  • Tighten it until there is no slack at all.

  • Ignore excessive slack because the chain needs no maintenance.

The real exam in English is a translation of the Spanish original; compare both here.

Show the Spanish original

La cadena de transmisión de su motocicleta tiene una holgura superior a la indicada por el fabricante. ¿Qué debe hacer?

  1. Ignorar el exceso de holgura, porque la cadena no necesita mantenimiento.
  2. Revisarla y ajustar la holgura según el manual del fabricante.(Correct answer)
  3. Tensarla hasta que no tenga ninguna holgura.

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