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Specification
Brand : Helixsun
BulletPoint1 : .Crankshaft: Adopts asynchronous crankshaft structure for strong power, smoother function and a max speed of up to 16000rpm.
BulletPoint2 : .Miniature: Treated by aluminum CNC processing and oxidation coloring, the delicate engine features a meticulous surface, compact structure and lightweight body.
BulletPoint3 : .Note: Starting Ignition set is not included, please prepare or buy it by yourself. If you have any questions about the product, please contact us in time.
BulletPoint4 : .Rocker Arm: The short rocker arm makes the valve switch function more accurate.
BulletPoint5 : .Carburetor: Enjoy easier adjustment and more sensitive throttle response thanks to the brand-new signal carburetor.
Color : Silver
CpsiaCautionaryStatement : choking_hazard_contains_small_ball
EducationalObjective : Game and play
ExternallyAssignedProductIdentifier : 6213960786264
IsAssemblyRequired : 1
ItemName : Helixsun SEMTO ST-NF2 Engine Model Kit, 7.0cc DIY Assembly L2 Engine, Miniature Inline Twin-Cylinder Four-Stroke Air-Cooled Nitro Engine Internal Combustion Engine Model
ItemPackageDimensions_Height : 11.2 centimeters
ItemPackageDimensions_Length : 14.5 centimeters
ItemPackageDimensions_Width : 11 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : hobby-rc-vehicle-engines
Manufacturer : Helixsun
ManufacturerMinimumAge : 180
Material : Metal
ModelName : Engine
PartNumber : Z15U07R7B54X4W
ProductDescription : Specifications:

.Color: Red
.Material: Metal
.Brand: SEMTO ENGINE
.Model: ST-NF2
.Form: Kit Version
.Engine Type: Nitro Interal Combustion Engine Model
.Valve Mechanism: SOHC
.Displacement: 7.0 (3.5*2)cc
.Cylinder: Inline Double-cylinder
.Stroke: Four Stroke
.Cyilinder Diameter: 16.6mm
.Stroke: 17.00mm
.Speed: 4000-16000rpm
.Power: 0.6ps
.Cooling Mode: Air Cooling
.Lubrication Mode: Mixed Oil Lubrication (add grease)
.Starting Mode: Electric
.Ignition Mode: Ignition Modules (Not Included)
.Type of Electric Plug: F-type Four-stroke Electric Plug (Not Included)
.Starting Voltage: 7.4V 2S Li battery (Not Included)
.Fuel Type: 20-25% Nitro Fuel
.Product Dimensions: 11.2 x 9 x 9.2cm
.Product Weight: 535g
.Package Dimensions: 14.5 x 11 x 11.2cm
.Package Weight: 1000g
.Packing: Graphic Carton
.Ages: 16+

Package Including
.1*Engine Model Kit
.1*Instructions
ProductSiteLaunchDate : 2025-06-03T09:26:00.313Z
Size : 11.2 x 9 x 9.2cm
Style : Silver
SupplierDeclaredDgHzRegulation : not_applicable
TargetAudienceKeyword : Unisex
Theme : SKYMECHMAN TRENT