Upgraded 100cc Bicycle Engine Kit 2 Stroke Bicycle Motor Kit Low Fuel Consumption Bike Engine Kit Air Cooling Bicycle Engine Kit 2024 New Motorized Bike Kit 36/44 Teeth Full Set

As with any one-size-fits-all kit, you may have to improvise to make it work for your particular bike. The instructions are completely useless, especially the wiring instructions, but it is believed that the red and black of the coil connects to the red and black of the engine unless you add a headlight, then white wire it, and the emergency switch wire connects one to the two red wires and one to the two black wires. Trust! It was easy to start the first time, no damper needed. Overall, this is a great kit and I love it! Laughed so hard when I rode it that my face hurt!

Fun fun , and more fun!!!

Everything I needed ,Got it quick for a good price

Parts are packaged (screws,nuts,bolts and washers are mixed up and not separated so it's basically a guessing game of what goes where.

I rode it about 6 miles then the rings hung on casting defe and both broke and gilded both piston and cylinder bad then it locked up in contacted Amazon they said send pictures did maker said they would send parts if it was there fault it's been about 3weeks to a mouth and I've heard nothing known Amazon says it's to late to return itJ

Just fuelled up and tried the engine it starts very well and doesn't struggle at all. Good quality petrol engine and fuel efficient. Low noise, used it for a day and it works well.

My kit did not include the coil. I started doing all this work, getting all stoked, and now its a doorstop. Check for all parts before beginning.

I've had it installed for a while and now test drove it. The engine fitted just like it did when I first bought it new and there was nothing unusual about it. It even runs faster and has very good horsepower.