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Stirlingkit SEMTO ENGINE ST-NF2 DIY Build a Nitro 4 Stroke 2 Cylinder Engine Kit That Runs- FS-L200AC
Stirlingkit SEMTO ENGINE ST-NF2 DIY Build a Nitro 4 Stroke 2 Cylinder Engine Kit That Runs- FS-L200AC, view 2Stirlingkit SEMTO ENGINE ST-NF2 DIY Build a Nitro 4 Stroke 2 Cylinder Engine Kit That Runs- FS-L200AC, view 3Stirlingkit SEMTO ENGINE ST-NF2 DIY Build a Nitro 4 Stroke 2 Cylinder Engine Kit That Runs- FS-L200AC, view 4Stirlingkit SEMTO ENGINE ST-NF2 DIY Build a Nitro 4 Stroke 2 Cylinder Engine Kit That Runs- FS-L200AC, view 5Stirlingkit SEMTO ENGINE ST-NF2 DIY Build a Nitro 4 Stroke 2 Cylinder Engine Kit That Runs- FS-L200AC, view 6
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SEMTO ENGINE ST-NF2 DIY Build a Nitro 4 Stroke 2 Cylinder Engine Kit That Runs- FS-L200AC

$199.99–$379.99

In stock at stirlingkit.com

The SEMTO ST-NF2 is an entry-level, pocket-size four-stroke twin-cylinder engine kit co-developed with Toyan, offered in gas or nitro and four colors. It uses a 480 brushed starter motor run from a 2S battery and dual timing belts. Prices run $199.99 to $379.99 depending on starter and add-ons.

Shop now at Stirlingkit →Code start

See all 2,738 Stirlingkit products·Visit stirlingkit.com

Color
Red · Blue · Silver · Black
Powered
Gas (Send After Sep 30) · Nitro (Send After Sep 30)
Version
Engine + Starter · Engine Only · Engine + Starter + Supra STL

Price and stock from stirlingkit.com, refreshed daily. We may earn a commission if you buy.

Highlights

  • 4-stroke inline twin, DIY kit
  • Gas or nitro versions
  • CNC aluminum with color anodizing
  • Dual synchronous belt timing
  • 480 brushed starter, 2S battery start

Best for

Students and new hobbyists who want their first running engine kit on a budget.

Things to consider

  • Battery must be bought separately.
  • Simplified structure compared with Toyan's premium engines.
  • Listing showed delayed ship dates for some versions; confirm.

Key specs

Price$199.99–$379.99
Layout4-stroke, 2 cylinder
FuelGas or nitro
Starter480 brushed DC motor
ColorsRed, blue, silver, black

Our take

An approachable first running-engine kit.

SEMTO ENGINE ST-NF2 DIY Build a Nitro 4 Stroke 2 Cylinder… at a glance

BrandStirlingkit
Price$199.99–$379.99
TypeToyan engine
Options4 colors, 2 powereds, 3 versions
AvailabilityIn stock at stirlingkit.com
Couponstart
ReturnsThe about page lists a 30-day return or exchange. All returns need an RMA requested via…

Price check

At $199.99, the SEMTO ENGINE ST-NF2 DIY Build a Nitro 4 Stroke 2 Cylinder… is toward the top of Stirlingkit's price range, whose 2,729 listed products run $0.54 to $11,000.

Similar items from other brands we track run $79.99 to $126.49.

Buying from Stirlingkit

Stirlingkit is a good source for hobbyists who want running miniature engines, Stirling and steam models, and build kits that most toy stores never carry. Skip it if you need fast, cheap returns, since everything goes through an emailed RMA to a Shenzhen address. Check the shipping method and warehouse at checkout first, because airmail can take 15 to 35 business days.

Shipping
Airmail takes 15 to 35 business days, EMS 5 to 8, and DHL Express 3 to 7. Shipping fees vary by product, warehouse, and destination and show on each product page and at checkout.
Returns
The about page lists a 30-day return or exchange. All returns need an RMA requested via service@stirlingkit.com, and items must include original packaging and accessories with no physical damage.
Warranty
The about page lists a 1-year warranty and lifetime customer support.

Read our full Stirlingkit review and shop all products →

Frequently asked questions

Do I need an ESC?
No, the listing says it can start by connecting a 2S battery directly.
Is a battery included?
No, you need to supply your own.
How much is the SEMTO ENGINE ST-NF2 DIY Build a Nitro 4 Stroke 2 Cylinder…?
Stirlingkit lists it at $199.99–$379.99 on stirlingkit.com. We refresh prices throughout the day, but always confirm the final price at checkout.
Is there a coupon code for the SEMTO ENGINE ST-NF2 DIY Build a Nitro 4 Stroke 2 Cylinder…?
Stirlingkit's store-wide code start can be entered at checkout on stirlingkit.com. Stirlingkit sets the discount, and some items or sale prices may be excluded.
What is Stirlingkit's return policy?
The about page lists a 30-day return or exchange. All returns need an RMA requested via service@stirlingkit.com, and items must include original packaging and accessories with no physical damage.
How long does Stirlingkit take to ship?
Airmail takes 15 to 35 business days, EMS 5 to 8, and DHL Express 3 to 7. Shipping fees vary by product, warehouse, and destination and show on each product page and at checkout.
Does the SEMTO ENGINE ST-NF2 DIY Build a Nitro 4 Stroke 2 Cylinder… come with a warranty?
Stirlingkit's published warranty terms: The about page lists a 1-year warranty and lifetime customer support.
What options does the SEMTO ENGINE ST-NF2 DIY Build a Nitro 4 Stroke 2 Cylinder… come in?
Color: Red, Blue, Silver, Black. Powered: Gas (Send After Sep 30), Nitro (Send After Sep 30). Version: Engine + Starter, Engine Only, Engine + Starter + Supra STL.
Where can I buy the SEMTO ENGINE ST-NF2 DIY Build a Nitro 4 Stroke 2 Cylinder…?
The SEMTO ENGINE ST-NF2 DIY Build a Nitro 4 Stroke 2 Cylinder… is sold directly by Stirlingkit on stirlingkit.com. The Shop now button on this page goes straight to the product there, and code start can be applied at checkout.
Is the SEMTO ENGINE ST-NF2 DIY Build a Nitro 4 Stroke 2 Cylinder… in stock?
Yes. Stirlingkit lists it as in stock on stirlingkit.com as of our latest check. Stock and prices refresh throughout the day.
Is Stirlingkit a legit store?
Stirlingkit is a good source for hobbyists who want running miniature engines, Stirling and steam models, and build kits that most toy stores never carry. Skip it if you need fast, cheap returns, since everything goes through an emailed RMA to a Shenzhen address. Check the shipping method and warehouse at checkout first, because airmail can take 15 to 35 business days. Our full Stirlingkit review covers shipping, returns and what to check before ordering.
Is the SEMTO ENGINE ST-NF2 DIY Build a Nitro 4 Stroke 2 Cylinder… expensive?
At $199.99 it is toward the top of Stirlingkit's range ($0.54 to $11,000 across 2,729 products), and similar items from other brands run $79.99 to $126.49.

More from Stirlingkit

Shop all Stirlingkit →

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