Honda CRF250RL 2017 Owner's Manual page 16

Riding Precautions
Refueling and Fuel Guidelines
Follow these guidelines to protect the engine,
fuel system and catalytic converter:
Use only unleaded gasoline.
●
Use recommended octane number. Using
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lower octane gasoline will result in
decreased engine performance.
Do not use fuels containing a high
●
concentration of alcohol.
Do not use stale or contaminated gasoline
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or an oil/gasoline mixture.
Avoid getting dirt or water in the fuel tank.
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