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


Regular price: $379.99

Our price: $299.99

4.01/5 (592 votes)
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. Click to learn more about your centrifugal clutch. 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 a 100 tooth solid flywheel with 12 tooth freewheel sprocket.

Kit Includes:
  • 4 cycle 49cc 2.5 hp HuaSheng engine
  • T belt drive transmission
  • 100/12 tooth 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
  • 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.


Optional Upgrades:

Thumb Clutch And Brake Mid Frame Kick Stand Heavy Duty Axle Kit
  • Engine TypeAir-cooled 4-Stroke OHV Single Cylinder
  • Max Power(kw/r/min)1.5 KW / 2 HP / 6800
  • Fuel Consumption(g/kwh)≤480
  • Fuel Consumption(L/h)0.78
  • LWA(dB(A))101
  • Net Weight(kg)7
  • Displacement(cc)49.1
  • Fuel Tank Capacity(L)--
  • Oil Capacity(mL)250
  • Ignition SystemTCI
  • Compression Ratio7.4
  • CarburetorFloat
  • Starting SystemRecoil
  • Approximate DimensionsHeight - 9 1/2", Width - 11", Length - 9"

What Customers Are Saying

49cc 4G T Belt Drive Complete Gas Powered Engine Kit
49cc 4G T Belt Drive Complete Gas Powered Engine Kit
4.01/5 (592 votes)
  • Robert Sanderson
    I got my 49 cc 4 G T back in March of 2012.
    I love it. I ride my bike 30 miles one way to work everyday. I have over 2000 mile on my engine.
    It still works like the day I got it.
    The technical support I got from Robert over the phone and vie E-mail was awesome.
    Everybody stops me and ask me about my bike.
    They all love it.
  • david smith
    I changed to the belt drive 6 or 7 months ago.Was the best thing I ever did. The help over the phone was great. It solved some problems and made none. Fantastic.
  • Alex Blevins
    Some other sellers are selling a cheap knock off of this kit. There is a reason it's cheaper. Spend the extra for a Grube kit. You won't be sorry.
  • Karl Bivens
    Dianne was a joy to deal with! After getting the complete run around and being ripped off by another Vendor who claims to be the ONLY importer of grubee products..., I will be sending lots of business this way!
  • John Crawford
    I purchased my kit well over a year ago and it works today just as well, if not better after break in, as the day I first started and rode it. I had some issues with the belt drive and one way sprocket, but Robert was a really big help in it all. I got a replacement with a different ratio and after running it, found it better anyway. I am running a beach cruiser with this on it and it pulls my 230 lbs down the road a steady 25 to 30 MPH all the time. Some folks like different equipment, that is okay. Go grab the stuff if you like, but with a little patience and a very small amount of upkeep, this kit runs and runs and runs! Want to go faster? Buy a motorcycle. This was designed to be fun and relatively safe as the hobby goes. I get stopped and asked about it all the time. I will definitely be sending business here for sure. Advice? Take your time, mind your measurements and do it right the first time. Don't be stupid, ride safely. Remember, it is a BICYCLE with an engine. But most of all, have fun! I live in Colorado and this thing tackles the hills fairly well! I still have to pedal sometimes, but when I do, it feels like I am pedaling something very light because of the engine's help! Quiet compared to most two strokes, don't have to mix fuel and oil, just pull up and fill up (I cried as I had to pay 67 cents to top off one day after riding to and from work for a week, 30 miles of city traffic), centrifugal clutch allows engine to idle when stopped. Continuing to go strong! New tires next season, LOL! Thanks Gang!
  • johneaslan@dodo.com.au
    I have ausa shipplng address and from there sendinf on tome in western australa.