O.S. 40cc 4ストローク ガソリンエンジン GF40
詳細はWEBで確認ください
http://www.os-engines.co.jp/index_j.htm
O.S.GF40
This is a four stroke engine whose exhaust note matches scale models.
Quick response and torque feeling of four stroke engine suit aerobatic and sport
models too.
More Infomation Visit our website.
http://www.os-engines.co.jp/english/index.htm
