I have to add the cam shaft.
It is provisionally set yet.

I do not know the specifications of the gear. I will visually counted illustrations and photos.

I’ve placed a cam shaft guides
カムシャフトのガイドを装着しました。
Isotta Fraschini AS500 for Piaggio pegna P.C.7

I was upside down the cylinder head.
And I have placed the spring and tappet.
Spring is double.

Perfect materials for this engine is missing.
I guess a combination of some materials.
It is a study level still, but you can understand form.このエンジンの完璧な資料は見つかっていません。
私はいくつかの資料を組み合わせてそれを推測中です。
まだ習作の段階ですがおおよその形はわかります。