RETROL & OKMO Ball Top Engine Model Kit that Runs on Gasoline, Mini Water-Cooled Single-Cylinder 4-Stroke Hit and Miss Internal Combustion Engine with Ignition System & Wooden Base

Specifications:

.Material: Metal + Wood

.Model: B01

.Form: Ready to Run (RTR)

.Engine Type: Gasoline Internal Combustion Engine

.Displacement: 3.6cc

.Cylinder Diameter: 16mm

.Stroke: 19mm

.Speed: 300-3000 rpm

.Power: Approxl. 0.2ps

.Cooling Method: Water Cooling

.Startup Method: Manual/Electric Drill Start

.Ignition Method: Mechanical Ignition

.Spark Plug Type: British Thread 3/16-40 Spark Plug

.Starting Power: 1.5V (use 1 AA battery)

.Lubrication Method: Oil Channel Lubrication

.Lubrication Ratio: Gasoline/Engine Oil is 25:1 to 30:1

.Fuel: Gasoline (95# or higher is recommended)

Engine oil: 2T/4T engine oil (10W50 is recommended) 2T)

.Product Weight: 1600g

.Package Weight: 1800g

.Product Dimensions: 20.4 x 10 x 18.4cm

.Package Dimensions: 25 x 18 x 20cm

.Packing: Graphic Carton

.Ages: 16+

Package list:

Engine(with Wooden Display Stand and Isnition System)*1

Drill Starter Stiek *1

Aecessory Bag *1

Instruetion Manusl *1

Directions

Included

• ✨【Authentic Ball-Top Structure】Recreating the classic hopper-style engine, this functional metal model integrates a ball-top tank, mechanical igniter, and wooden base. At 20.4×10×18.4cm, it provides an immersive way to study miniature engine principles in offices, maker spaces, and desktop display areas.
• ⚙️【Precision Metal Engineering】Featuring CNC-machined components, balanced flywheel, and stable crankshaft oil channel lubrication, the B01 engine offers a refined mechanical feel. Its smooth manual or drill-assisted start appeals to collectors and users seeking hands-on interaction with functional engineering models.
• 【Efficient Water-Cooling Layout】The cooling structure supports steady operation across the 300–3000rpm range, while the 3.6cc displacement and 16mm×19mm cylinder configuration help users better understand 4-stroke behavior. Ideal for enthusiasts engaging in model study, presentation, or demonstration.
• 【RTR Setup for Immediate Use】This ready-to-run engine includes ignition box, 1.5V power supply interface, and start accessories. Designed for adults 16+, it allows learners, hobbyists, and mechanical collectors to experience realistic engine startup sequences in a safe and approachable format.
• 【Decorative & Educational Value】With its metal construction and retro wooden base, the B01 engine serves as both a unique conversation piece and a functional educational tool. Suitable for gifting to engineers, model enthusiasts, hobby collectors, or individuals who enjoy industrial-inspired décor.