Hard to shift into the 1st gear

Probable cause(s)
  1. 1st synchro ring defective.
  2. 1st/2nd synchro sleeve and hub defective.
  3. 1st gear defective.
Notes
  • Check the 1st synchro ring.
  • Check the 1st/2nd synchro sleeve and hub.
  • Check 1st gear.