tools help drive cog tool please stuck

  1. sp1ke

    what tool removes small drive cog gt 80

    hi im a little stuck the small drive cog on my new engine wont come off i need the extractor pulling tool ive tryed a bicycle crank extractor but it was to big does anyone know where this tool is used is it a motorcycle one like the clutch ? where can i get one ? or what size is it ?