If its a two stroke then it just needs some 2 cycle engine oil
what oil is used in a ktm 65
Fork oil level for a 2002 KTM 65 SX is 210 cc or 7.1 OZ per leg
KTM 65 SX uses .5 L of Motorex Top Speed $T 15W50
The 06 65 SX takes .3L (or 10.147 ounces). KTM recommends Motorex Top Speed 4T 15W50.
40:1
220 ml
240 ML of 5w fork oil.
You did not specify what year, a 08 KTM 65 SX requires .5L 2002 sx65 to a 2008 sx65 according to my service manual only uses 300ml of gearbox oil. 2009 to 2011 uses 500ml of gearbox oil.
KTM recommends Motorex Top Speed 4T 15W50
KTM recommends Motorex ATF Super (Dexron II Gear Oil).
According to the 08 KTM Tech Bulletin, .3L of Motorex Top Speed 4T 15W50
no