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IMO, both of those are seriously flawed in design and function.
Both vent to atmosphere rather than recycling the heated vapors back into the engine. Both would flow "oil" back into the engine but through different areas. eg: the top (purple color) flows into the oil fill / dipstick hole.
A better design would be back into the cam cover when enough oil is accumulated using only a single hose but with internal storage / release valving, plus a tube connected to either of the factory vent hose ports for immediate recycling of the vapors.
If you insist on having one of those, then get rks to share his engineering and design for his, at least then you will have less cost in it and learn something about scooter maintenance and engineering.
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