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A2Difficulty 3/5

A motorcycle engine is naturally air-cooled, with no coolant circuit or belt-driven fan. What cooling-surface maintenance helps dissipate heat?

Correct answer

Keep the engine's external cooling fins clean

Keeping the engine’s external cooling fins clean helps heat transfer to the air. Dirt covering or obstructing them impairs that function. Clean with the engine cold and follow manufacturer instructions without damaging the fins. The described system has no coolant level or fan belt to check; other engine maintenance remains necessary.

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  • Check the coolant level

  • Keep the engine's external cooling fins clean

  • Check the condition of the fan belt

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