I want to say Honda didn't install them on their D15 engines, but the slightly longer stroke D16 (and every engine of larger displacement) got one.
I had to check, and the Insight's 1.0L 3 cylinder has a harmonic damper. That surprised me a bit as I imagine it's probably an accessory loss, turning some crank motion into heat.
Maybe all timing chain motors have one? I could see a belt as providing some damping.
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