Need suggestions to fix a oil leak in engine

Mar 19, 2019
Kent, ohio
Hey, I have a oil leak coming from where the cylinder meets the crankcase. Wondering if I could use some yamabond or JBweld to fix it? It’s a very small crack where the two crankcases meet. Here’s a picture of it, any help would be great!

To be honest you would be fighting a loosing battle trying to seal the cases without splitting them, You may could get away with some yamabond4 on the area and then install base gasket and torque down and let sit a full 12 hours or more before leak down testing, But it's hard to say if that would be enough, Check your case half hardware you may have some that have came loose over time ?.
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