SEMTO ST-FL2 8.6cc 2 Cylinder Engine DIY Kits Nitro 4 Stroke Model Engine for Beginner

Product details

SEMTO ST-FL2 8.6cc L2 Engine Kit, 4-Stroke Inline Twin-Cylinder (KIT Version)

Features:

.RC Model Compatibility: Designed for RC model vehicle applications, the compact 8.6cc engine provides expansion space for clutch and transmission upgrades. It is suited to custom RC builds where enthusiasts want to explore different drivetrain configurations.
.CNC-Machined Aluminum Construction: The engine body uses CNC-machined aluminum with sandblasted anodized finishing, presenting the structure and mechanical character of a real SOHC automotive engine. Its detailed construction also makes it suitable for desktop mechanical display.
.8.6CC Inline Twin-Cylinder Power: Featuring a 2×4.3cc inline twin-cylinder, four-stroke configuration, single carburetor, and adjustable cam system, the engine offers accessible tuning. Electric starting and an integrated centrifugal water pump support convenient operation and temperature management.
.DIY Engine Assembly Experience: Build a functioning internal-combustion engine from the kit and explore the structure and operating principles of a four-stroke engine during assembly. Suitable for hands-on mechanical projects, engineering enthusiasts, and STEM demonstrations.
.Multi-Application Engine Kit: Suitable for RC model modification, mechanical education, classroom demonstrations, and personal collections. Kit Version Notice: Ignition equipment, water-cooling equipment, fuel tank and lines, mounting base, battery, and other supporting components may require separate preparation according to the intended setup.
Product Description:
.The SEMTO ENGINE ST-FL2 is a four-stroke nitro engine kit designed for RC modification enthusiasts and mechanical engine hobbyists. Its compact configuration is intended for real RC modification applications while bringing the mechanical character of an automotive engine into a miniature format.
.This is a functioning internal-combustion engine kit that requires assembly. The aluminum components are CNC-machined and anodized, with a SOHC automotive-engine layout that showcases the structure and movement of a four-stroke engine.
.The ST-FL2 combines accessible tuning characteristics with a 1.2 HP output and a 3,000–20,000 rpm operating range. Its single carburetor, adjustable cam system, electric starting system, and built-in centrifugal water pump provide a platform for exploring engine operation.
.It can be used for 1/8-Scale RC model modification, STEM and mechanical demonstrations, hands-on assembly projects, or desktop mechanical collections. The kit format allows enthusiasts to experience the assembly process and study the operating principles of a miniature internal-combustion engine.
.Important: This is a KIT version. Please verify the included components and prepare any additional supporting equipment required for your setup before operation. Follow the instruction manual during assembly, installation, fuel preparation, and use.

Specifications:

.Material: Metal
.Brand: SEMTO ENGINE
.Model: ST-FL2
.Engine Type: Nitro Internal Combustion Engine
.Version: KIT Version
.Displacement: 8.6cc (2 × 4.3cc)
.Cycle: Four-Stroke
.Cylinders: Inline Twin-Cylinder
.Bore: 18.00 mm
.Stroke: 17.00 mm
.Cam Train: Single Overhead Camshaft (SOHC)
.RPM Range: 3,000–20,000 rpm
.Power: 1.2 HP
.Cooling Method: Water Cooling
.Cooling Water System: Built-In Centrifugal Water Pump
.Lubrication: Mixed / Oil-Mist Lubrication
.Starting Method: Electric Start (480 Brushed Motor)
.Glow Plugs: F-Type Glow Plug ×2
.Ignition Equipment: 2-in-1 Ignition Module
.Water-Cooling Equipment: Water Tank and Fan-Cooled Radiator
.Fuel: 25% Nitro Fuel
.Product Weight: 900g
.Package Weight: 1400g
.Product Dimensions: 11.31 x 9.15 x 10.34cm
.Package Dimensions: 14.5 x 11 x 11.2cm
.Packaging: Graphic Carton
.Age: 16+