So I have been trying to get info on the Hobbyking, Trackstar and SkyRc analyzers. Do any of these test 1/8 motors (550-690 size)? And if not, who makes one.

Thanks

I have the SkyRC version and while I haven't personally tested either of my 1/8 scale motors, I see no reason as to why they wouldn't work. Only issue I see is the motor holder might be too small. But measuring timing advance and RPM/amp draw/etc should be fine.

I just threw my new HW G3 Motor in the Turnigy/Trackstar branded motor analyzer.
It worked fine the only problem is that you can't change the direction of rotation, so you can only measure in the "normal" rotation and not in reverse which might be needed for some models.