Originally Posted by
blis
Could be a oneway bearing problem?
It could also be that the inside the two speed housing gets a little oily (a common problem with some cars) from fuel or freshly oiled bearings. Scrape the surface of the 2 speed clutch shoes clean with a knife, and clean the inside of the housing with Methylated spirits, and see if helps.
We have to do this a lot in our Kyosho, and a mate of mine has the same problem every time he services and oils his two speed housing bearings in an XRay NT1.
Kindest regards,
Lars.