The Retrol Panhead R30 V-Twin Motorcycle Engine Model is a fully functional miniature gasoline engine inspired by the classic Panhead V-twin motorcycle engines of the 1970s, including by manufacturers such as Harley Davidson. Designed with authentic styling and precision-machined components, the model recreates the distinctive mechanical layout and character of vintage V-twin engines. With exposed moving parts, a working carburettor, and an air-cooled structure, the R30 offers an engaging demonstration of internal combustion engine mechanics. It is ideal for collectors, model engineering enthusiasts, and educational display. Key Features Classic Panhead V-Twin DesignInspired by traditional Panhead motorcycle engines, featuring authentic engine proportions, classic body lines, and an air-cooled configuration. Highly Detailed EngineeringOne of the more complex miniature engines in the range, incorporating realistic components such as a working carburettor, lift-type throttle mechanism, and exposed mechanical assemblies. Precision Metal ConstructionManufactured from brass and stainless steel components using precision machining processes to ensure durability, accuracy, and smooth operation. Stable Wooden Display BaseMounted on a wooden base that provides stability during operation and makes the model suitable for display. Ready-to-Run Engine ModelSupplied with ignition components and starting accessories, allowing the engine to be operated for demonstration. Suitable for both experienced collectors and newcomers to model engines. Collector’s Display PieceA distinctive mechanical model ideal for collectors, engineering enthusiasts, or as a unique gift. Specifications Brand: RETROL Model: R30 Engine Type: V-Twin Double-Cylinder 4-Stroke Gasoline Engine Model Scale: 1/5 Displacement: 4.2 cc Cylinder Bore: 13 mm Stroke: 16 mm Cooling System: Air-cooled Ignition System: CDI Electronic Ignition Starting Method: Manual pull start or electric drill start Spark Plug: 3/16-40 threaded spark plug Lubrication: Fuel mixture lubrication (Gasoline : 2-stroke oil = 25:1) Recommended Fuel: 95# gasoline (unleaded petrol equivalent) Starting Power: 3 × AA batteries (4.5V total, not included) Dimensions & Weight Engine Dimensions: 120 × 80 × 110 mm Wooden Base: 150 × 120 × 30 mm Overall Dimensions: 15 × 12 × 14 cm Product Weight: approx. 1.2 kg Package Dimensions: 20 × 20 × 20 cm Package Includes Retrol Panhead R30 V-Twin Engine Model Electric drill connecting shaft (starting rod) Manual pull starter Spare O-ring set Instruction manual Age Recommendation: 14+