Ktr induction kit

Yes, I clean and re-oil mine every 6 months. Albeit expensive, their cleaning kit is very effective!
 
Better still what is this one and is there anything that I can get hold of tomorrow rather than ordering from ktec. I am from Wolverhampton if anyone knows of any were
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If there is any motorcross shops near yours then you could buy some filter oil from there as they use a foam filter and will be the same oil