Warm Tips: These 2 are the same engine but with 2 different logos on the cover, one is OTTO MOTOR which is off production now, one is SEMTO ENGINE. Orders after 12th, Dec will be shipped with the new logo SEMTO ENGINE. Any advice, please email us at service@enginediy.com
Attention Please: All the stocks are sold out now. The engine is quite popular that it runs out of stock shortly. But please don't worry, our factory now is speeding up its production and it will be restocked soon. 200Pcs will be restocked at the end of Feb and 250Pcs will be restocked at the begin of March. All orders will be shipped out depending on the order time when it is in stock and it is for presale now. Appreciate your kind understanding and support as always!
High Simulation: The engine model with a realistic appearance and red sport elements meaning thunderbolt movement, whcih gets closer to a real engine.
Miniature IC Engine Model: Treated by aluminum CNC processing and oxidation coloring, this SEMTO/ OTTO & TOYAN engine features a meticulous surface, compact structure and lightweight body.
Dual Synchronous Belt Pulley: The timing structure of a dual synchronous belt pulley greatly reduces the risk of gear jumping in high-speed operation.
Rocker Arm: The short rocker arm makes the valve switch operation more accurate.
Carburetor: Enjoy easier adjustment and more sensitive throttle response thanks to the brand-new signal carburetor.
Electrical Starting: Equipped with a high-torque starting motor for a more convenient and smooth start.
Enjoy DIY Fun: You can walk through the internal structure and mechanical operation principle of the engine while enjoying DIY assembling fun with the desktop engine model.
Wide Applications: Blending perfectly with a gearbox for superior compatibility and an excellent guarantee to upgrade, the product makes a stunning mechanical artware, an ideal gift for mechanical engine enthusiasts and a superb teaching aid for demonstration teaching in physical & mechanical classes.
Warm Tips: Starting Ignition set is not included, please prepare or buy it by yourself. If there is any questions or advice, please feel free to contact us service@enginediy.com
Know More: .Material: Metal .Brand: SEMTO/ OTTO MOTOR & TOYAN .Model: ST-NF2/ FS-L200AC .Form: Kit Version .Engine Type: Nitro Internal Combustion Engine Model .Valve Mechanism: SOHC .Displacement: 7 (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: 800g .Packing: Graphic Carton .Ages: 14+
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Questions about Shipment
Q1 : Do you ship worldwide? A1 : Yes, we can ship worldwide. Q2 : Where you ship goods from? A2 : Our warehouse is located in China, the goods will be shipped from China mainland.
Q3 : What is the shipping cost? A3 : For giving customer good shopping experience, we offer free international shipment.
Q4 : What is the shipping time? A4 : For expected delivery date, please check in this page: Expected Delivery Time
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Questions about Return & Refunds Q1 : What items are returnable? A1 : a)- We can accept returns or exchanges within the 30-day period. b)- All returned items must be in the original condition: unused, unwashed, and unworn. No exceptions. Q2 : How do I return a product? A2:Contact with Enginediy Service Team service@enginediy.com to confirm details to make sure the item is meet the return condition. After the agreement, Service Team will send the detailed return information, please offer return tracking number after return shipment. Q3 : What is you refund policy? A3 : Refunds are processed within 1-5 business days, after you received our confirmation on the cancellation.
Q4 :How will you refund me? A4 : The refund are applied to the original payment method.
The Otto-Sempto engine I tested, it is as always with Toyan engines, Toyan can make very precise CNC parts but the concept for engine development should be reconsidered.
The engines all have a shortcoming, they leak, the carburetors cannot be adjusted precisely and they get too warm.
There is considerable potential for improvement here.
The conversion kit is not needed to run the engine as a gasoline engine.
Two solenoids and the Cison double CDI are sufficient.
M
Matt Sperring (Sydney, AU)
Awesome in every way!
I bought this engine for my 11 year old son’s Christmas present for us to assemble together & his words: “the best present I’ve ever got” sums it up perfectly! The build quality of this little engine’s unbelievable & the assembly was very straight forward with easy to follow instructions found on the EngineDIY.com website.
I highly recommend this engine & the customer service I received when asking questions prior to purchasing this engine was fantastic!
B
Ben (Auckland, NZ)
my first ever engine kit
To begin with, I'm really impressed with the quality of the parts for this engine. I enjoyed putting it together as I learnt more about engine basics. Very satisfying experience. I would say instructions needs bit more clarity but there are few YouTube videos to help. I also got the starter pack with it, had problems with glow plugs but was sent a new set. Worth the price and it's quite fun. Note to add high temperture grease to the camshaft
F
Filiberto Bagattoni (Milan, IT)
Bellissimo motore ben fatto,ottimo rapporto qualità prezzo
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