Question about 2003 Aprilia RS 125

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Do i mix the casstrole oil with the petrol for the aprilia 125

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It depends if you still have a pre mix tank already fitted. Mine came with the pre mix tank taken off. It is a white coloured container in a fairly flat shape on the 98 model which should be underneath the seat when you lift it. Not sure about newer models. It should have 2 stroke oil in (quite often pink). If not I have been advised to mix the 2 stroke with the petrol at about 50:1 ratio, however I would check with your local motorcycle shop or Aprilia dealer. Alternatively get a workshop manual for the correct year of bike and it will give you all the information you need in there. Also if the tank runs to empty it has to be bled otherwise if air is in the pre mix tank it can cause damage to the engine.

Posted on Jun 11, 2010


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I have just bought a 1978 Vespa 125 px I can't get leaded petrol what can I use ?

The old PX from 1977-1981 need a 2% 2T Oil mixture in the Petrol or it will be broken in an instant....!
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Just got a suzuki rm 125 2004 wat is the premix for it i used 2 run a cr125 on 100ml of oil to every 5liters of petrol

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I would recomend a synthetic 2 stroke oil for a 50:1 mix.

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Have an rs125 aprilia, it keeps stopping through having too much oil going into the engine and oiling up the sparkplug. Have tried putting a new plug in, but it does the same 10 minutes later?

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How do i make my aprilia rs50 go fast with out put diffrent parts on it?

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After changing the gearbox oil on my aprilia

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Please take a moment to rate this answer. Thanks Tim.

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Nov 10, 2008 | 2001 Aprilia Classic 125

1 Answer

Petrol oil ratio

Hi I gather you speak of a 2-stroke and a name brand 50:1 two cycle oil will suffice. ,

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