Originally Posted by
sosidge
The TT-02 high speed gear set will fit with the use of some alternative shims/spacers - HOWEVER the TT-02 gearing is very different, and the "fast spur" for a TT-02 is larger than the largest TT-01 spur so you will actually go a lot slower unless you source some special 0.6mod spur gears or try to get everything to line up with 48 or 64 pitch gears instead (not easy considering the TT-01 has fixed positions for the motor).
The 55 Spur with a 28 pinion in the TT-01 gives a ratio of around 5:1.
My plan is actually to switch over to the 48 or even 64p gears and use an aftermarket motor plate anyway so that wont be to bad if it only requires a few shims. Thanks