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A1Difficulty 3/5

A two-stroke motorcycle requires lubrication by premixing fuel in the tank, according to its manufacturer. Which mixture must it use?

Correct answer

Petrol with two-stroke oil in the specified proportion.

Petrol and suitable two-stroke engine oil, in the proportion specified by the manufacturer. The oil lubricates internal parts; adding air to petrol does not provide that lubrication. This question concerns a premix system. Always follow the model’s instructions and do not improvise the oil type or ratio.

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All options

  • Petrol without oil despite the premix requirement.

  • Petrol with two-stroke oil in the specified proportion.

  • Petrol with air, without the required lubricating oil.

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