I have built a pullstart/kick start setup. Due to the cold weather, I haven't actually tried starting the engine. It does at least crank, but only about one revolution per kick. I was supprised how much foot force it required. Perhaps a longer lever would help but don't want to do that unless I have too.
Oh yes before even starting this project I had to do some upgrading on the weak basic pull starter offered for these HT engines.
1. Replaced plastic pawl with a steel pawl
2. Replaced the pull start post with a steel post and steel backer plate.