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Description
SC Engines SC91A-S 2-Stroke Glow R/C Aero Engine (Rear Needle)SC Engines SC91A S 2 Stroke Glow R C Aero Engine (Rear Needle) Key Features Twin needle carburettor. Twin bearing (phenolic) crankshaft. ABC piston and liner. Schnuerle ported cylinder and liner. Efficient hemispherical combustion chamber. Tough & rigid single billet crankshaft. Twin, locking, propeller nut design. Ultra tough webbed crankshaft housing. Easy starting and smooth running. Full spares availability. What's in the Box 1x SC 91A S two
- SC Engines SC91A-S 2-Stroke Glow R/C Aero Engine (Rear Needle)
-
Key Features
- Twin needle carburettor.
- Twin bearing (phenolic) crankshaft.
- ABC piston and liner.
- Schnuerle ported cylinder and liner.
- Efficient hemispherical combustion chamber.
- Tough & rigid single billet crankshaft.
- Twin, locking, propeller nut design.
- Ultra-tough webbed crankshaft housing.
- Easy starting and smooth running.
- Full spares availability.
What's in the Box
- 1x SC 91A-S two-stroke aero engine.
- 1x Torpedo silencer with pressure nipple.
- 1x Silencer gasket.
- 1x Silencer mounting screw set.
- 1x Instruction manual / operating sheet.
Needed to Complete
- 1x Medium glow plug.
- 1x 13x10 to 15x8" propeller.
Product Description
Not too many years ago the joy that we R/C club flyers experienced in owning and operating two-stroke glow engines was taken away. Whether we liked it or not, we were driven to use exclusively electric or petrol power systems in our models. Not anymore. SC two-strokes are back, better than ever and poised to indulge your passion for engineering and your desire to enjoy all forms of R/C propulsion.
Enjoyed by owners due to their easy starting, endearing handling, smooth running and clean throttling, an SC two-stroke engine will enrich your R/C experience no end. That's a fact. Boasting a beautifully cast matt-finished crankcase with twin phenolic bearings, a sturdy, single billet crankshaft and twin needle carb with, in the most part, rear-mounted main mixture adjustment, these are engines that look good and run beautifully.
Fit a smooth-running SC two-stroke to your latest build and you'll not only be adding variety to your R/C life, you'll be adding guaranteed satisfaction and a hint of nostalgia.
Engine Technical Specifications
Weights & Dimensions
Weight 728g 25.68oz Shipping Weight 1.02kg 2.24lbs Engine Size 0.91 cu. in. Displacement 14.91mm3 Cylinder Bore 27.3mm Cylinder Stroke 25.5mm Recommended Usage Environment Outdoors Colour Silver
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
Lots of extras!
Size: 2+12+12+2 pack
The brushes are a bit flimsier than the original but otherwise fine. I needed it for the rectangular filters more than anything
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Reviewed in the United States on March 7, 2026
★★★★★ 5
EUFY 11S
Size: 2+8 pack
Used to replace the ones for my EUFY 11S vacuum. They fit just like the ones and got my vacuum back to cleaning really good. Didn’t realize how loud my vacuum had become until I replaced these parts.
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Reviewed in the United States on December 19, 2025
★★★★★ 5
Get this!
Size: 3+12+12+2+1 pack
Very nice pack of essentials for my robot.
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Reviewed in the United States on March 17, 2026
★★★★★ 5
Side brush screw PSA 🤪
Size: Eufy B-18Packs
Reviewing parts for Eufy L60
Review posted for some PSA
When you get the brush replacement this kit comes with a tiny screw driver DO NOT USE THAT TINY SCREWDRIVER TO UNDO YOUR SIDE BRUSH IT WILL STRIP THE OEM SCREW AND MAKE IT USELESS.
the screw driver included fits the screws that are about 2 mil wide the side brush screw is different. Grab a regular screw driver to undo a side brush.
The main rolling brush cover is different but the rubber part still hits the floor at proper height so I don’t see a big issue there.
When replacing the filter the filter cover was a little snug but I don’t see a big problem there just be aware to close the cover all the way but be careful not to push too hard so the plastic clips don’t break on the cover.
Don’t forget to wipe down all the seals when installing the filter to maintain the seal integrity to keep the suction at top intensity.
The dust bags seemed to be cut out with a stencil which gave the cardboard a better appearance than the oem cut out dust bags so that was interesting, dimensions were identical when comparing so I don’t anticipate any issues!
Over all I’m glad we have cheaper alternative replacement parts that can be used so thank you! ❤️
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Reviewed in the United States on January 30, 2025
★★★★★ 5
Great parts replacement kit for Eufy!
Size: Eufy B-18Packs, Size: Eufy B-18Packs
This kit has made it nice keeping up with our Eufy robot vacuum. All parts were free of defect and fit as it should. Instead of replacing individual piece by piece, I now just change all of the replacement parts at one time and it’s good to go for a while! Great value. Great quality. Will definitely be buying this kit again!
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Reviewed in the United States on April 7, 2026