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Ubesgoo 2 – Stroke 50cc Engine Kit Fits Most 26″ or 28″ Wheeled Bikes with V – Frame for Bicycle Mountain and Road Bike Gas Motorized Motor Bike

Original price was: $56.48.Current price is: $36.02.

SKU: IMOI78105 Category:
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Description

Tips:
Before install the engine, please lubricate the inner components first and you should pour some lubricating oil into the cylinder bore from the spark plug hole, then drain off the lubricating oil and install the engine. Please keep in mind that the motor will use a mix of gasoline and oil. The oil is used as a lubricant. Without it, the performance andlongevity of the motor will be reduced.

-This 2-stroke 50cc engine kit is perfect to upgrade the regular bike to a motorized bike, you can enjoying riding at a faster speed, which can reach 30km/h as fast as a motorcycle or scooter

-Fits most 26″ or 28″ wheeled bikes with V-frame. The frame should have 9-11″ of clearance between the bottom bracket and top bar, and the diameter of the frame tubes should be 25-29mm (around an 1″)

-Key parameters: Max. power 1.6Kw/6000r/min (3 horsepower/6000r/min),Super fuel-efficient, only consuming 1.5L fuel/100km

-Lubrication Oil: oil for 2-stroke petrol engine (or oil for 10W/40.10W/30); Mixing Ratio of Fuel and engine Oil: 16:1 for new sets, 20: 1 after running 500km

-Mode of Engine: Single cylinder, air-cooling, 2-stroke Natural air cooling; The rider needs some basic hardware tools, skills and around 2-3 hours to install. Add some lubricant into the air cylinder before starting

Specifications:
1. Engine Mode: Single Cylinder, Air-cooling, 2-stroke
2. Bore & Stroke: 40mm x 38mm=48 cm3
3. Rated Power: 1.15Kw/5000r/min (1.6 horsepower/5000r/min)
4. Max. Power: 1.6Kw/6000r/min (3 horsepower/6000r/min)
5. Ignition Mode: CDI
6. Compression Ratio: 6:01
7. Driving Ratio: 18:01
8. Fuel Type: No.90
9. Type of Sparking Plug: Z4C 14MM
10. Volume of Oil Consumption: 1.5L/100km
11. Type of Clutch: Friction Plate / Dry
12. Cooling Mode: Natural Air Cooling
13. Speed Limitation: 30km/hour
14. Lubrication Oil: Oil for 2-stroke Petrol Engine (or Oil for 10W/40.10W/30)
15. Mixing Ratio of Fuel and Engine Oil: 16:1 for new sets, 20: 1 after Running 500km
16. Net Weight: 22.05 lbs / 10 kg
17. Suitable for: 26″ or 28″ Bicycle

Package Includes:
1 x 50cc Engine Kit

Reviews

★★★☆☆

"Went with the XL and the weight feels balanced and premium. Took it on a road trip last weekend. I'm in Portland, OR. Happy with my purchase."

Patricia Murphy Patricia Murphy Aug 13, 2026
★★★★★

"Ordered the refurbished unit and it does exactly what it's supposed to do. I keep it in the car for road trips. I'm in Phoenix, AZ. Would buy again."

Nicholas Turner Nicholas Turner Aug 2, 2026
★★★★★

"Order processed quicker than the estimate. It's handled my daily dog walks without issue. Glad I went with this one."

Travis Singh Travis Singh Jun 25, 2026
★★★★★

"Got the olive green and the weight feels balanced and premium. Brought it to a tailgate and it performed. Color is slightly darker than the listing photo but I actually like it. Five stars from me."

Patrick Diaz Patrick Diaz Jul 2, 2026
★★★★☆

"Got the travel size and the grip is comfortable for long sessions. Used it during a move and nothing shifted. Solid deal, no regrets."

Samuel Roberts Samuel Roberts Jul 8, 2026
★★★★★

"Packaging was secure and nothing moved. Build quality is better than the photos suggested. Running it through my routine for a month. Worth the money."

David Moore David Moore Jul 19, 2026
★★★★★

"Picked the blue one and the stitching has held up better than expected. Took it on a road trip last weekend. Happy with my purchase."

Rebecca Stewart Rebecca Stewart Jul 5, 2026
★★★★★

"Packaging was secure and nothing moved. It does exactly what it's supposed to do. I use it in the garage most evenings. Five stars from me."

Victor Rodriguez Victor Rodriguez Aug 9, 2026
★★★★★

"Ordered the 3-pack on sale and the stitching has held up better than expected. Took it on a road trip last weekend. Worth the money."

Steven Roberts Steven Roberts Aug 4, 2026
★★★★★

"Chose the stainless version and the screen is sharp and bright in daylight. It lives in my gym bag now. I'm in Chicago, IL. Worth the money."

Mark Miller Mark Miller Jul 3, 2026

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