You have an infestation of spanner frats, or possibly ambitious variants of the smaller chuck key lemming.
You need to eradicate them:
1. Clear a space round the motorcycle. This needs to be at least 2 feet wide and free of any flat surface above ground level. This provides a potential killing ground any rodent type creature will be wary of.
2. Place a dark coloured cloth on the workshop floor just outside the killing ground. The contrasting colour shows red to beady little eyes suggesting danger, but will make any movement such as that caused by the orange