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Product Description


This 80cc petrol gas engine kit is used to upgrade the regular bike to a motorized bike. After converting your bike, you’ll be able to enjoying riding at a faster speed, which can reach 38km/h. It almost runs as fast as a motorcycle or scooter, making your outdoor trip more convenient. This engine kit fits most 26″ or 28″ bikes with V-frame.


Mode of Engine:Single cylinder, air-cooling, 2-stroke
Bore & Stroke:47mm & 40mm
Rated Power:2.5Kw/5000r/min (3 horsepower/5000r/min)
Max Power:3.5Kw/6000r/min (5-6 horsepower/6000r/min)
Ignition Mode:CDI
Model of Chain: 415
Chain Length: 110 links
Compression Ratio:6:01
Driving Ratio:18:01
Fuel Type:No.90
Capacity of Tank:2L
Speed Limitation:38km/hour
Lubrication Oil: oil of 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
Type of Sparking Plug:Z4C 14MM
Volume of oil Consumption:2.5L/100km
Type of Clutch:Friction Plate / Dry
Cooling Mode:Natural air cooling

A complete engine kit for converting your bike
Heavy duty metal engine body for added durability
Super fuel-efficient, only consuming 2.5 litre fuel per 100km
Fast and smooth, can speed up to 38km/h
Comes with all needed hardware for easy installation
Fit for most type 26″ and 28″ bikes, such as mountain bikes, road bikes,cruisers, choppers.

Package included:

1x Black 80cc 2-stroke engine
1x Sprocket clamp assembly with hardware
1x Exhaust muffler
1x Push button clutch
1x Heavy duty chain
1x Bearing chain tensioner / idler
1x Carburetor
1x CD ignition coil
1x Kill switch (on throttle)
1x Chain guard
1x Spark plug
1x Exhaust pipe clamp
1x Plug removal tool
1x Manual
All the needed mounting brackets, gaskets, and hardware


The kit includes all the parts and instructions necessary to convert your bike.
Please also take into account that the motor will use a mix of gasoline and oil. The oil is used as a lubricant. Without it, the performance and longevity of the motor will be reduced. Please refer to the manual for further information including gasoline/oil ratios.
If you have any questions,please contact us for technical solutions.

1. All payments must be prepaid.

2. We
only accept payment via Paypal. Please kindly check if you’ll be able to do the
payment via PayPal before placing an order,Payment must be received
within 7 days after order is made.

1. We don’t seem to be responsible for undeliverable address. We reserve the right to charge the shipping fee again for returned items because of wrong address.

2. Items are generally shipped out the next business day after your payment has been cleared (Sat. & Sun. excluded.)

The item will be shipped from our US warehouse to United States, which is more faster than from aboard.
2-9 working days to:USA
4-10 working days to:Canada

it may take a bit longer time, because of local dispatches ,
Customs checking, High Season period, eg. x’mas or other reasons. Your patience is all the time appreciated

2-9 working days to: USA
4-10 working days to: Canada
12-20 working days to: Other countries

1. We offer 14 days money back guarantee return policy.

Our warranty does not extended to any products that are physically
damaged or that don’t seem to be under normal operating conditions because of
misuse or improper installation on the buyer/user’s part.

3. For all returned products, buyers MUST contact us for the returning address.

In all cases, buyers pay shipping fees at their own cost to return
products for exchange or refund. We will be able to be responsible for the postage
of replacements. Refund will be made upon receipt of the returned item.

specialized in manufacturing and selling Camera
equipment, camera materials and specialty products. We are all the time
working according to international standards and serve our customers
from in all places the world. Taking the purpose of “meeting different
requirements from our overseas customers”,

.Your comments about
our products are welcomed. We hope to have the opportunity to establish
business relationships with you. Our goal is “providing you both high
quality products and the best prices”.
We maintain
high standards of excellence and strive for hundred percent customer
satisfaction. Feedback is very important to us. We hope that you contact
us immediately before you give neutral or negative feedback, so that we
can address your concerns. It is impossible to address issues if we do
not know about them!

Dear friend: Welcome to contact me my services are available: Monday To Friday: 8:30 to 18:00 (Beijing China time)
1. We are in different time zones, all through the working time, We will be able to
reply your email within 24 hours. If it’s non-workdays, please kindly be
patient and considerable to give us a little more time.
2, please contact us with ebay message if we made a deal on ebay. E-mail is steadily filtered as spam.
3, Please wait for our reply to your email, We will be able to do our best to help you solve the problem.



On Jul-25-17 at 20:59:16 PDT, seller added the following information:




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