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Cracked left Side Engine Case

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I am posting this for a friend. He has cracked his left side engine case and has been looking for a replacement but it seems everyone wants to sell both sides as a set. Can you buy just the left side or are they matched.

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It is recommended that you buy them in pairs. At least Yamaha recommends that, from my research.

You can make them work though with 1

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From what I understand, it has to do with the crank center line. Replacing one half might cause your crank to be out of alignment, and result in more problems than you just solved.

If the crack is not in a bearing cup or other stress area, I would just look into having it welded. This can be difficult if the crack is in a spot that is thin.

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