Is the LEGO Monorail 9V Motor (5040-1) rare?

Yes, this part is from the 1988 Service Packs theme and is listed as a single piece, making it quite rare.

What is the theme of this motor?

This specific motor, set number 5040-1, belongs to the Service Packs theme.

This listing contains only 1 piece, which is the LEGO Monorail 9V Motor.

Name: LEGO Monorail 9V Motor (5040-1)
Brand: LEGO

Service Packs

Service Packs · 1988

Theme · Service PacksPieces · 1Set Number · 5040-1Year · 1988

Used

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New / Sealed

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Is the LEGO Monorail 9V Motor (5040-1) rare?: Yes, this part is from the 1988 Service Packs theme and is listed as a single piece, making it quite rare.
What is the theme of this motor?: This specific motor, set number 5040-1, belongs to the Service Packs theme.
How many pieces are in this listing?: This listing contains only 1 piece, which is the LEGO Monorail 9V Motor.