Years ago when I first started hanging out around Thumper land on ADV I helped a fella whose XR600 transmission locked up and wouldn't shift. It turned out to be the real fine spring on the shift shaft.
Gearshaft Return Spring # 24624-MT3-000
Steve in SF
87 Harley FXRS-SP ~ 06 KTM 625 SMC ~ 72 Honda CB750/915cc ~ 92 XR600/654cc ~ 95 XR650l/675cc ~ 03 CRF450r ~ 05 CRF450x ~ 02 XR650l/675cc ~ 86 YZ490 ~ 93 YZ80 ~ 93 XR650l Project