
Long Case GY6 Scooter Engine - 50cc, 80cc or 100cc
You have the option of getting this engine in 50cc or 80cc or 100cc with the big bore racing engine. This is the 4-Stroke complete engine, short crankcase. For the 80cc big bore engine we install a 47mm cylinder and piston. For the 100cc big bore engine we install the 50mm big bore cylinder and piston.