diodes

Sorry in advance if this should be in the electrical sub-forum. After reading many, many posts about LED turn indicators and tail light mods, I noticed a lack of electrical work in installing, say, a CBR or cat eye tail light. I suppose my question is this: (prelude) I want to have an...

Hi, I`ve got a CDI that I am trying to fix and as you can see, all the normal diodes (not the zener ones) have been corroded away. Who knows what kind of diodes these are and what modern-day replacements I can use? Thank you!