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I built a brand-new Rotary Valve Engine, and it works!

Many of you have seen the process of making this rotary valve engine with different intake and exhaust system and how I tried ...
AJ Restorations on MSN

Tiny 2 7cc Vintage Style Four Stroke Engine Fun

Having fun with a Tiny 2.7cc Vintage-Style Four Stroke Engine – watch it roar to life! This little engine is full of surprises, and you won’t believe what it can do #TinyEngineFun #FourStrokeEngine #V ...