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Iglobalbuy 50cc/ 80ccBicycle Engine Kit 2-Stroke Cycle Petrol Gas Motor Engine Kit for Motorized Bicycle 26"/28" Bike (Black) (80cc)

3.9 out of 5 stars 296 ratings

$128.99

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Brand Iglobalbuy
Horsepower 1.6 hp
Item Dimensions LxWxH 16.9 x 7.9 x 12.8 inches
Item Weight 22.9 Pounds

About this item

    This fits your .
  • Make sure this fits by entering your model number.
  • The 2-stroke petrol engine mixing Ratio of Fuel(90#) and Engine Oil: 16: 1 for New sets, 20: 1 after Running 500Km.
  • This 50cc/80cc bicycle engine easy to install. The rider only needs some basic hardware skills, tools, and fine tuning adjustments (Note: Seller is not responsible for misuse or this kit or any warranty after installation).
  • Fits Most 26"&28'' Wheeled Bikes (Mountain, Cruiser, Chopper, Road) 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").
  • To start the 2-stroke engine, move the choke lever to "on" position, hold in clutch, pedal the bike to get some speed, and then release the clutch gradually.
  • To stop the 2-stroke engine, choke the carburetor completely with the lever on the carburetor. Alternatively, slow speed, hold in clutch and press the kill switch on twist-grip throttle.6. If you want to use your bicycle as a common bike, just disengage clutch, then press the silver button at the side of clutch, the motor will not be started.

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Product Description


This bike motor kit comes with everything that you will need, except gas and oil! You will be able to stop or start the engine as you ride. 80CC 2-stroke engine kit will fit 26" or 28" Bicycle.

Specification:
air-cooling
Net Weight: 10.5kg
Driving Ratio 18:01
Ignition Mode CDI
Compression Ratio 6:01
Mode of Engine Single cylinder
2-stroke Bore & Stroke 40mm X 38mm=48 cm3
Max. Power 1.6Kw/6000r/min (3 horsepower/6000r/min)
Rated Power 1.15Kw/5000r/min (1.6 horsepower/5000r/min)
Type of Sparking Plug Z4C 14MM Volume of oil Consumption 1.5L/100km
Mixing Ratio of Fuel and engine Oil: 16:1 for new sets, 20: 1 after running 500km
Fuel type No.90 Lubrication Oil oil for 2-stroke petrol engine (or oil for 10W/40.10W/30)
Type of Clutch Friction Plate / Dry Cooling mode Natural air cooling Speed Limitation 30km/hour

Package Included:
1X Full 80cc 2-Stroke Engine Motor Kit (Bicycle Not Included)

Note: The engine will be installed by yourself, and you will receive what you see in the pictures.

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Customer reviews

3.9 out of 5 stars
3.9 out of 5
296 global ratings

Top reviews from the United States

Reviewed in the United States 🇺🇸 on November 8, 2016
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4.0 out of 5 stars Read the reviews and you wont be surprised.
By arc on November 8, 2016
I read several dozen reviews, both good and bad. If you do that you won't be surprised or disappointed. Quick shipping. All parts included. Only manufacturing defect were the bolts. The motor mount bolts were bent, one muffler mount bolt bent, one bolt stripped. (Why they ship with those on the motor is beyond me) I straighten or replaced the boots (Ace hardware, 6 mm standard thread worked) Paint all looked good. Instructions are worse than worthless. U tube is your friend, (is your friend, is your friend ) for installation instructions. I imagine every bike needs some modification. I had to buy new derailure controls and move the rear caliper brake cable. Installation of the motor and rear gear was pretty easy. Clutch cable easy. Throttle was more of a pain, holding that spring while placing that cable into the throttle assembly was hard for me. (As an aside I saw in the utube video them testing the electrical connections by turning the engine with the spark plug close to the engine body to check for spark - I didn't get a spark but the motor ran so I don't know what's up with that). With it all done it was time to see if it ran. I used to be a biking geek and own a bike stand. This was a big help for installation, and to start it the first time. If you can get a hold of one of those that would make the install easier. So I put it on the stand in the garage and after about 15 minutes got that bad boy running! It runs rough at first like for the first 1/2 tank. I did put a bit (a teaspoon or so) of oil down the spark plug hole before running. I have taken several long rides but have been very gentle with the engine (don't wind it out, from a stop I peddle a bit and then let the clutch out gently) Couple things - chain has loosened up so I need to take out another link. The gas take migrates sideways - I am leery of tightening it to much for fear of damaging the tank - I . At first the vibration was significant but now after about running a tank of gas it is not near as bad but it does vibrate. You need to put clamps or zip ties around the gas line connections, it will vibrate off if you don't. I took it to a muffler shop to bend the muffler (they have those tools - namely a torch) it was just a bit to far out and would just hit the crank. Motorizing a bike for $125, what can I say - it's a blast.
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Reviewed in the United States 🇺🇸 on March 21, 2016
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4.0 out of 5 stars A good buy for the money. Know what you're getting. Not for a Novice Mechanic...
By TommyA on March 20, 2016
I have read many of the harsh comments on here and while some are accurate, I feel that much of it is unfair. I have attempted to put together a review that will help you make a decision as to whether you want to take on this project or not.

My Notes....
1. Item as described - YES
2. Item arrived quickly - YES
3. Damaged in Shipping - YES - They could pack it a little better to ensure this doesn't happen. It was nothing I couldn't fix. I had a dented gas can and some bent mounting bolts. I took care of it.
4. Materials and Metal cheap and Made in China - YES - That being said, if you really thought you were buying a High Quality, US Made motor for $130.00, then you should probably not be in charge of purchasing things. You get what you pay for...learn this.
5. Design and Setup - GOOD - It's a nice idea and the design is sound. There are some improvements that could be made but they would probably drive up the price and nobody would buy it.
6. Install - NOT EASY - It took about 6 Hours, but was fun. There is a lot to overcome and adapt to as every bike is different. If you are not mechanically inclined, do not even try to do this. And I don't mean that you change your own oil and can change a tire. I mean REAL Mechanical ability. I promise you that those who are complaining about the install and getting it to work, do not have the mechanical ability they thought they had. Instead of blaming the seller, take a hard, long look in the mirror. You are not as good as you thought you were. This thing takes some skill.
7. Speed - 20 to 25 mph easy - I got it going and am running about 20 to 25 mph on average. It will do 30 - 35 mph, but the bike does not like going that fast. It is a Beach Cruiser after all. Those complaining about the speed should probably go after a different project.
8. Durability - OK - I don't feel this thing is made of materials that will last a long time but I have found replacement parts online that make it seem as though I can at least keep it running if I choose. I would treat it like your baby and don't ride it too hard or expect too much.

Some tips.....
Take your time and make sure everything is lined up.
The chain lining up is a BIG DEAL. Take your time and get this part right.
Oil the cylinder as instructed and keep the oil mixed as indicated.
You need to pedal the bike from a start to help get the motor going. It is designed to keep you rolling, not start you off. It wears out the motor unnecessarily. Also, use the same technique to assist the motor when going up hills. It will help your motor last longer.

Overall I am pleased with the kit. For the money, it is a fun little project. It was challenging and is a fine running little bike.

Hope this helps!
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Reviewed in the United States 🇺🇸 on May 16, 2022