The principal components that are likely to wear and suffer long term damage are the selector drum and forks.
When rebuilding the assembly however, where possible, replace all the interfacing parts, including this component, for a cleaner sharper gearshift.
If you want to discuss this ROLLER,4X8, please go the forum and post a message.For questions about Honda Trx300ex Fourtrax 300ex 1997 (v) Usa, please write a message in the forum.
Trx300ex Fourtrax 300ex 1997 (v) Usa forum
posts from the Honda TRX300EX FOURTRAX 300EX 1997 (V) USA forum