Most people who recite Surah Yasin regularly learned it by ear, which means they carry both the good habits and the errors of whoever they learned from. Working through the surah with tajweed in mind is one of the most useful things a regular reciter can do, and it does not require starting over.
One thing to be clear about first: tajweed is learned from a teacher. Articulation points in particular cannot be corrected by reading a description of them, because you cannot hear yourself accurately. What an article can do is tell you what to listen for and where in the surah to concentrate.
The rules that come up most in Surah Yasin
Noon sakin and tanween
These four rules account for more of the surah than anything else. Izhar, where the sound is pronounced clearly before the throat letters. Idgham, where it merges into the following letter. Iqlab, where it converts to a meem sound before ba. Ikhfa, where it is concealed with a light nasal sound before fifteen letters.
Ikhfa is where most self-taught reciters lose marks. The nasal sound should last roughly two counts and the tongue should not touch the articulation point of the noon. A common error is to pronounce a full clear noon and then the next letter, which turns ikhfa into izhar.
Meem sakin
Three rules: merging into a following meem, concealment before ba, and clear pronunciation before everything else. The concealment before ba is frequently dropped entirely by fast readers.
Madd
The natural madd of two counts is the baseline, and the longer madds are what give recitation its shape. The most common error here is inconsistency, holding a madd for four counts in one place and two in another within the same recitation. Pick a length and hold it across the whole surah.
Qalqalah
The five qalqalah letters produce an echoing bounce when they carry sukoon. At the end of a verse the bounce is stronger. Surah Yasin ends many verses on these letters, so this rule is audible throughout.
Ghunnah
A noon or meem carrying shaddah gets a full two-count nasal sound. This is a short, simple rule and one of the easiest to fix.
Letters that cause the most trouble
Non-Arabic speakers usually struggle with the same small set. The distinction between the two h sounds, the two s sounds, the two d sounds, the two t sounds and the two z sounds. The ayn, which has no equivalent in most languages. The qaf, which is produced further back than a k. The heavy letters that require the back of the tongue to rise.
Confusing these is not a stylistic matter, because several of them change meaning. This is the strongest reason to have someone listen to you.
Stopping and starting
Where you stop changes meaning. The stop marks in a printed mushaf are the accumulated work of scholars of recitation, and they are not suggestions. The main ones to learn are the compulsory stop, the prohibited stop, the permitted stop, and the pair of marks indicating that stopping at one of two places is preferred.
If you run out of breath mid-verse, the correct procedure is to stop at a word boundary and resume from a point that makes sense, usually the start of the phrase, not from the exact syllable where you stopped.
A practice method that works
Take one page at a time rather than the whole surah. Listen to a reciter known for clear, slow recitation, at a speed you can follow. Recite the page yourself, record it on your phone, and play both back. The gap between the two is usually obvious even to an untrained ear, which is what makes recording effective.
Then find someone qualified to listen, even once a week, even online. The Quran was transmitted by listening and repeating, and there is no substitute that has ever worked as well.
Our audio page has recitations from several reciters, including ones suited to slow following. If your goal is memorisation rather than recitation quality, see how to memorise Surah Yasin.
Do not let tajweed stop you reciting
A caution worth stating plainly. Some people stop reciting because they are afraid of making mistakes. The well-known narration describes the one who recites with difficulty and struggles with it as having a double reward. Perfection is the direction, not the entry requirement.
Frequently asked questions
Is tajweed obligatory?
Scholars distinguish between the level of correctness required to avoid changing meaning, which is generally treated as obligatory, and the refinements of recitation style, which are recommended. Reciting to the best of your ability is what is asked of you.
How long does it take to learn tajweed for Surah Yasin?
Learning the rules takes weeks. Applying them consistently to one surah usually takes a few months of regular practice with feedback.
Can I learn tajweed from videos alone?
You can learn the rules that way. You cannot reliably correct your own articulation, because the errors you cannot hear are exactly the ones that persist.