your 800cc V (L) twin breathes in and out most of it’s capacity behind the pistons with every turn of the engine, the splitter/breather box fools the engine into thinking it has a much larger capacity than it has and seperates any oil droplets out of the air steream, allowing it to drain back into the crankcase.
search the forum for ‘breather’, this was discussed at length on several threads recently
Last edited by slob; 22-05-2020 at 07:44 PM..
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