49cc 4G T Belt Drive Complete Gas Powered Engine Kit

This 4 stroke motorized bicycle engine kit comes with everything you need to convert most V-frame bicycle to a 49cc gas powered scooter. Simply clamp on the engine, install the sprocket, gas tank, and other hardware and you'll be up a running in a couple of hours. Installation requires some tools and a moderate mechanical apptitude.

High quality 4 stroke Hua Sheng engine gets you 150mpg with top speeds of about 35 MPH (pretty fast on a bicycle). These things are built to last and require virtually no maintenance.

With the included clutch you maintain full function of the original bike. Pedal and ride your bike like normal. When you want to engage the engine simply give the engine gas and go. To power off simply press the included kill switch.

Features an 80 tooth or 100 tooth freewheel pulley with 9 and 10 tooth solid sprockets. NOTE: a small front pulley is better for hills, a large front pulley allows for higher speeds.

Only basic tools required for installation, tools we recommend using are:

SAE & Metric open end wrench set, Ratchet & metric socket set, Needle-nose pliers, Vise-Grip pliers, Allen wrenches, Phillips head and slot head Screwdrivers, Ruler or tape measure, Permanent marker ("Sharpie" or equivalent), Drill with 3/32" and 15/64" (or 1/4") bits, Cable Zip Ties, Medium strength thread locking compound - "Blue Loctite" #242 or equivalent. Note: thread locking compound can melt certain types of plastic, so use on metal only.

• 4 cycle 49cc 2.5 hp HuaSheng engine
• T belt drive transmission
• 80/100 tooth pulley, 9/10 tooth sprocket configuration
• Tapered 1/2" drive shaft with factory OEM centrifugal clutch
• 3 piece wide crank
• 1pc to 3pc bottom bracket conversion kit
• 48 tooth 9 hole chrome sprocket - NOT compatible with Zeda Angel Roller Bike
• 2.5L fuel tank
• Twist throttle & cable with kill switch
• Heavy duty chain
• All the mounting brackets, gaskets, and hardware.
• Complete users manual / installation instructions.
• 6 month limited warranty.

Click here for a demonstration on measuring your frame for the 4G kit.

This kit is legal in almost all states. Most laws stipulate that any motorized vehicle under 50cc is legal to operate without a license, registration, or insurance. You can find a kit with a larger engine, but you will be required to have a drivers license and you must license, register, and insure your scooter. Don't bother with the hassle--get the biggest engine available that doesn't require license, registration, and insurance!

DISCLAIMER: Operating this motorized bicycle or bicycle engine kit involves some risk of bodily injury . Buyer accepts responsibility for any and all vehicle operation that may lead to personal injury, economic loss, social distress, other losses, costs and damages. Bicycle-Engines.com is not responsible for injuries and/or damages resulting from operating this motorized bicycle or bicycle engine kit . This kit is not recommended for use by persons under 16 years of age. Obey all traffic regulations. Always wear a helmet while riding. Remember that you are riding a motorized bicycle and other traffic may not be able to see you. Never operate your motorized bicycle on a pedestrian through way or sidewalk while the engine is running. Never operate your motorized bicycle in an unsafe manner. Check local and state laws before riding on streets. Engines larger than 48cc are not legal to operate on the street.