Based on the information available, the film 'Sexy Timetrip Ninjas' does not present any identifiable LGBTQ+ characters or themes. Consequently, there is no basis to evaluate its portrayal as positive, negative, or neutral.

Based on available plot summaries and character information for 'Sexy Timetrip Ninjas' (1984), there are no discernible transsexual characters or themes depicted within the film's narrative. The film primarily focuses on ninja action and fantasy elements.

The film title 'Sexy Timetrip Ninjas' does not correspond to a known or verifiable movie. Without access to the film's content, it is impossible to determine if it contains scenes where female characters defeat male opponents in physical combat.

The provided film title, 'Sexy Timetrip Ninjas' (1984), does not correspond to a known property with established characters or source material. Without prior canon or historical context, it is impossible to determine if any character's gender was changed from an earlier, established version.

There is no information provided about source material, previous installments, or historical figures for 'Sexy Timetrip Ninjas' (1984). Without a pre-existing canon or established character races, it is not possible to identify any instances of a race swap.