> > R1200やらｴﾚｸﾄﾗｸﾞﾗｲﾄﾞみたいな空水冷に(;´Д`)ｺｽﾄが合わないけど
> 空水冷てどんなの(;´Д`)

https://www.motorcycle.com/manufacturer/harley-davidson/2017-harley-davidson-milwaukee-eight-engines-tech-brief.html
こんなの(;´Д`)

https://www.motorcycle.com/blog/wp-content/uploads/2016/09/0905116-Harley-Davidson-Milwaukee-Eight-8507.jpg

参考：2021/02/01(月)14時49分07秒