H75 12cc Vertical 4 Cylinder OHV Gasoline Internal Combustion Engine

Features:Vintage Engine:This is a vertical four-cylinder gasoline engine with vintage appearance and design with a mechanical limiter, which allows the engine to stabilize a set speed.Water Circulation Cooling System:The engine is cooled by water circulation, with a heat sink, water pump, and fan. Equipped with ignition system, power supply 4.5V (AA battery * 3 not included).Mechanical Handicraft:This is a perfect mechanical handicraft. It is made of brass and stainless steel. It is assembled and positioned on a wooden base.RTR:It is ready to run at any time and works normally after refueling. You will feel the unique charm brought by the mechanical operation of the engine.Steps to start the engine:Step 1. Check the engine wiring from the wooden base, connect the fuel tank oil pipe, and install 3 AA batteries (4.5V)Step 2. Fill the fuel tank with 95# gasoline. The flywheel rotates clockwise multiple times on the right side of the engine (the surface of the power switch), its function c