1993 Honda VT 600 C Shadow "jerking second third gears" Questions

...second gear although the guy who sold it to me said its just a really short gear. It has a jerking motion if you don't almost immediately shift it into third. It almost seems as if it very quickly ...

...a nasty job it's not quite an engine rebuild. Hope this helps i have a 99 r1 that jerks in second gear when i open up the throttle but e=when i shirt to third it stops it only happens in second ...