Intro

Verse
The whole verse is repetitive in that its order is C, F, and finally G. (C F G……C F G )
Play this 4 times:

Then play this 1 time:

Chorus
There are 2 different guitar parts in the chorus. Here’s what they sound like together:
Guitar 1
The first guitar part is just playin the now familar C, F, G, chords:

Guitar 2
Guitar 2 plays in between the chords. It’s quite similar to the licks played in the intro:

Riff Resources
Complete Transcription To “La Bamba ” (PDF)
Complete Transcription To “La Bamba ” (Power Tab)