4L of Castrol Power RS Racing 10w50 comes at € 35,50 or £ 30,24. 4L of Motorex Power Synt 4T 10w50 comes at € 67,25 or £ 57,29. Castrol being a A+ brand i was quite shocked to see that Motorex is even almost twice as expensive.. The manual states that the engine oil needs the JASO T903 MA2 specification.
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