The teeth round over time due to constant kicking instead of getting the bike to top dead center and hitting it. A new pinion and spring solves this. You've found a bodge and a half!
__________________
2006 EC300 Enduro - Ignitech CDI - 38/NECW#2/165 FMF gnarly, FMF shorty, .50 front 5.7 rear
2016 RM-Z450
|