Originally Posted by chastro

Any bright ideas about how to get to the inner motor screw (i.e. the one hidden behind the spur) if your spur doesn't have access windows in it?

As it stands, to change a pinion I'll have to: fit the pinion, put the motor in the right position using the outside screw, remove the top deck, remove the spur, do up the inner screw, replace the spur and top deck.

p.s. I know other cars have this layout... including x-rays... but I have no experience as the cyclone-black had motor screws above and below the pinion.