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$628.99
Joytopiaminds SEMTO 7.0cc Inline Double-Cylinder Four-Stroke Air-Cooled ST-NF2 Nitro Engine Set Includes F-Type Electric Plug, 75ml Fuel Tank, Silicone Oil Pipe, and Brush Start Ignition Power Module
★★★★★
$628.99
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2 availableColor: ST-NF2 Engine + Starter Ignition Kit
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1
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About this item
- ✨【Complete Engine Kit】 Includes SEMTO ST-NF2 7.0cc twin-cylinder nitro engine (pre-assembly required), F-type electric plug, 75ml fuel tank, 50cm oil pipe, and 3-in-1 ignition module - all essentials for immediate operation
- 🔩【High-Precision Engineering】 CNC-machined aluminum alloy with oxidation coating, dual synchronous belts, and asynchronous crankshaft for smooth 16,000 RPM performance
- 🔌【Smart 3-in-1 Ignition】 Integrated brush starter/ignition/power module (7.4-11.1V compatible) with push-button start and T-plug battery connection
- 📚【Educational DIY Experience】 Demonstrates SOHC valve mechanics & combustion principles - ideal for physics classrooms, hobbyists, and mechanical art displays (Ages 15+)
- 🛠️【Enhanced Functionality】 Features short rocker arms for precise valve control, air-cooled design, and compact 11.2x9x9.2cm size with graphic manual
Product description
SEMTO ENGINE ST-NF2 7.0cc Mini Inline Double-cylinder Four-stroke Air-cooled Nitro Interal Combustion Engine Model Kit (Red) 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 .Type of Electric Plug: F-type Four-stroke Electric Plug .Starting Voltage: 7.4V 2S Li battery .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: 15+ Package Including .F-Type Electric Plug * 1 .Fuel Tank * 1 .1*Oil Pipe .1*Ignition Power Module .1*Engine Model Kit .1*Instructions
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What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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