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Phantom Edition Deluxe 2 Stroke 58cc Gas Engine Kit
Phantom Edition Deluxe 2 Stroke 58cc Gas Engine Kit
$389.99
$229.99

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  4-Stroke Engine Kits »
 

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

$379.99
Available Options:
Sprocket Configuration:

Limited Quantities Now In Stock!

   The 4G T Belt Drive 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.

Choose from either the 80 tooth main flywheel with one way bearing and 10 tooth solid drive sprocket OR 100 tooth solid flywheel with 12 tooth freewheel sprocket.

New Motorized Bicycle Engine Videos 

Here are a few examples of this kit installed...

You can find many more examples in the customer bike gallery.
Click on an image for a larger view.

Get answers to commonly asked questions in the FAQ's section.
 
Kit Includes:
  • 4 cycle 49cc 2.5 hp HuaSheng engine
  • T belt drive transmission
  • Choose 80/10 tooth or 100/12 tooth configuration
  • Universal 5/8" keyed drive shaft
  • 3 piece wide crank 
  • 1pc to 3pc 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.

New 4-cycle 49cc Bicycle Engine Kits
49cc 4-stroke bike motor kit
Easily Convert Your V-Frame Bicycle!


Engine Specifications:
 

Engine Type

Air-cooled 4-Stroke OHV Single Cylinder

Max Power(kw/r/min)

1.5 KW / 2 HP / 6800

Fuel Consumption(g/kw·h)

≤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 System

TCI

Compression Ratio

7.4

Carburetor

Float

Starting System

Recoil

Approximate Dimensions

Height - 9 1/2", Width - 11", Length - 9"



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
  


Looking For Parts, Accessories, & Additional Upgrades?
We stock a full selection of replacement parts & accessories for the 4-stroke engine kit. 

Latest Reviews
billy melvin - 01/01/2011 3 of 5 Stars!
This is my first belt drive 4 stroke bike, I have one other four stroke bike, 3-two stroke bikes. I love the belt drive system it is far superior to the tranny, in my other 4-stroke. But the connecting rod cap came loose before my first tank of fuel. Which was very dissapointing Untill then this was much faster than my 2 stroke with tuned carb,pipe, boost bottle and 36 tooth sproket. I did however put a larger rear sproket on which contributed greatly to added speed. However as due to engine I must give the following rating
Don Finch - 12/30/2010 5 of 5 Stars!
1in a half years riding now 4stroke bike with 4 g clutch still going, replaced clutch 2 times now, and that is all, motor is solid, i have over 3 thousand miles on it. still a great buy :)
Hector Pilar - 09/22/2010 3 of 5 Stars!
Finding a replacement belt for this will be hard,mine lasted over 1000 miles,all other parts are easy to come by,runs great when you have it running but,I won\'t deal with this kinda motor after my experience.
Don Finch - 08/16/2010 5 of 5 Stars!
never had a problem with 4 stroke. with the belt drive, clutches are a lil thin. but bike carrys me great i weigh 200 pds too, after 7 months still running, and i dont ride slow. (good buy)
Scott O'Grady - 05/17/2010 5 of 5 Stars!
I got this kit in April and installed it without a hitch. I have been riding for over a month now and enjoying every minute of it. Put 600 miles on it so far and the only problem I've had is a snapped clutch bell. This is the only weak point in this system that I've seen so far. Luckily I had a spare clutch bell of the same dimensions that a bit beefier than the stock set-up...still riding strong! Now if only Bicycle-Engines.com would get some more rear gas tank/rack set-ups in stock...then I would order another kit to replace my 2-stroke set-up...simple as that! And update their Bike Gallery!!! Yes again I say...UPDATE your Bike Gallery! Cheers, Scotto-
See all reviews  |  Write a review
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