Vintage 2-Stroke Dual Spark plug heads explained

Here’s what I know about the dual plug cylinder heads. The motors here are a Yamaha DT400, Honda mr175, and a Kawasaki F11.

[@chadhanebrink8009]

Great info. Currently restoring and MT250 and it’s the first time I’ve come across this

[@jkwhite1128]

Quality info

[@jimharrington9464]

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