Didactic Four Stroke-cycle Engine Demonstrator Finger Engine Version:Old Version giving you a real assembly

giving you a real assembly experience

Fixed Mode: U-shaped Neddle

ignition battery

#12 Needle Valve Base for TOYAN EngineFeatures:

Lubrication Ratio: 30: 1

Didactic Four Stroke-cycle Engine Demonstrator Finger Engine Version:Old Version giving you a real assemblyDidactic Four Stroke cycle Engine Demonstrator Finger Engine Features:. Tribute to the classic: Tribute to the first four stroke internal combustion engine in history, this internal combustion engine model adopts a single cylinder four stroke 2 valve double cam ejector structure, with a simple structure, light and exquisite, and is a mini handcraft that you can't put it down.. Sophisticated craftsmanship: All metal refined, highly textured metal