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Ships to:
United States, Canada
Ships to:
United States, Canada

Details about  EPA 66cc / 80cc Motorized Bicycle Bike Motor Kit Engine

EPA 66cc / 80cc Motorized Bicycle Bike Motor Kit Engine See original listing
Item Sold
Item condition:
May 06, 2011 23:25:35 PDT
US $199.99
FREE Standard Shipping | See details
Item location:
Fast Shipping, Midwest, United States


eBay item number:
Seller assumes all responsibility for this listing.
Last updated on  Feb 11, 2011 13:21:58 PST  View all revisions

Item specifics





SPECIAL PRICING for a limited time ONLY!


We accept VISA and MASTERCARD over the phone for fast EBAY Payment!







                                       Pre-set Carb with cable installed      Quality Painted Vented Teardrop Tank       EPA Approval label on side cover                                        

           Quality Roller Bearing (Beware of Bushings)      Quality Top end built to Spec       Lower end with quality crank bearings    Larger Aluminum fuel valve

 Certified EPA approved       Extended idler    Quality Brand name       FREE large frame       Reinforced alloy push       6volt output for light

           Catalytic converter exhaust pipe          Double Boxed for Safe Shipping        adapter          button clutch lever                  (light not included)


"Russian Style" Clutch Levers are flimsy junk So called Upgraded clutch levers are not reinforced and are cheaply made snap  Bad casting cause holes

Bushings instead of quality bearings       Small, non labeled, leaky petcock       Our Chrome dished sprocket VS. Non Dished pot   Cheaply Painted Exhausts 

Bushings wear out and ruin engines           that breaks off ruining petcock and              metal flat that mis-aligns chain                that flake off


We accept VISA and MASTERCARD over the phone for fast EBAY Payment!


HIGH QUALITY SD STINGER 66/80cc EPA Approved Bike Engine Kit
66cc/80cc  SD STINGER   47x 38 mm bore & stoke;
  • Center spark plug head;                       
  • Quality bearing 202 crankcase bearings;                        
  • Needle bearing on piston pin std.
  • New Upgrade style NT carburetor design       
  • Black Catalytic muffler EPA approved              
  • EPA sticker on engine effective 2009 (Engines without EPA cert ON ENGINE are ILLEGAL!  BEWARE)
  • Same size engine as was previous called 70cc or 80cc (Many sellers LIE as there is NO SUCH THING AS AN 80cc)
  • USA EPA approved


SD STINGER 66cc Kit shown with EPA black muffler  Note:  Catalytic EPA approved mufflers cannot be made with chrome finish with present state of the art China technology.  

Buyer Beware:  Some China suppliers say they have EPA approval but in fact are using fake EPA certifications obtained illegally to export to the USA.   These kits have been observed on Ebay.    Only 2 factories in China have authentic EPA certification on 2 cycle bicycle engines.   JaiLi and YuanDong factories are listed in the EPA journal of record.  http://www.epa.gov/otaq/certdata.htm

Formula to figure engine cc displacement;
      ( multiply 3.142 x radius of bore mm squared x stroke length mm divided by 1000. )

To figure displacement for this example:  47mm bore x 38mm stroke;

Bore diameter divided by 2 = 23.5 mm radius 
To square radius multiply 23.5mm x 23.5mm = 552.25 radius mm squared
552.25mm x 3.142 = 1735.17mm
1735.17mm x 38mm = 65936 cubic milliliters;
To get cubic centimeter divide 65936 by 1000 = 65.936cc or round off to 66cc

By western standards the volume of the engine head combustion chamber is not figured in the displacement engine rating, however some Chinese factories include this volume in their engine displacement ratings therefore making the engine appear bigger than it actually is.

Down through the years China bike engine factories have always advertised their biggest engine as 80cc therefore we have listed them the same way on our website. However, the bore and stroke of an 80cc being 47x38mm only equals 66cc. Therefore there is no such thing as an 80cc bike motor and it truly does not exist and we want to make sure that you are aware of this. 


  • Toll Free Phone Line 1-888-KIT-BIKE
Wow, someone that you can actually talk to in the motorized bike kit industry.  Good luck finding that anywhere else!
  • Free Technical Support
Don't be intimidated taking on the project by yourself.  We are very knowledgeable about our engines and installs as we have sold over 3000.
We also can email you detailed pictures and skematics of the section that you may have a question about.

  • Parts Availability  

We have over $20,000 of parts in stock for our engines


  • Plenty of Stock Available

We have over 1200 kits in stock!  Dealers: Special pricing starts at 10 units and gets even better with a pallet of 40. Call NOW!

  • Factory Direct Pricing (No Middlemen) 
We actually import direct from the factory and they build our quality engines to our spec.  You'll be sorry when you end up with a junk kit by trying to save $20-$40
  • NOT "Here Today, Gone Tomorrow" EBAY Seller
Don't buy from other fly by night sellers that most likely will not be around if/when you need parts. 
We have been in business for over 43 years and aren't going anywhere!

  • Upgraded Parts

We spend alot of time and money researching and improving our engine kits.  We offer the UPGRADED Chrome intake, LARGER diameter cylinder studs, BETTER engine casting, EASY to understand instructions in ENGLISH, BETTER painted tanks and chain guards, CHROME dished sprockets, LONGER chain idlers, LARGER domed head nuts, REINFORCED alloy push button clutch lever, PRE-INSTALLED Throttle cable in the carb, HEAVY DUTY Motorcycle Grip assembly, DOUBLE BOXED for safe shipping, and RELIABLE brand name product.
we also take pride in including
a FREE Large Frame Adapter,  FREE Spare Engine Spacer (For unique frames), FREE Extra Long mounting bolts,   FREE Spark plug tool, and  FREE Clutch puller on top of our already high quality parts!

  • Authentic EPA Approved Catalytic Converter Exhaust Pipe
Keep in Mind that to be EPA approved your engine needs to have a stamp or marking on it stating the date it was manufactured and the EPA approval number which ours has.  Other engines that advertise being EPA approved that don't have this are NOT EPA APPROVED.  Remember that it is illegal to ship or use a NON EPA Approved engine in California and is the end consumers (your) responsibility.  Save yourself the fines by making sure that it is EPA approved not by just trusting what other sellers say.  Remember that these sellers are importing engines into the country illegally and have no reguard for our environment and well being.  They are just trying to make a quick buck as not epa approved engines are typically $15-$35 cheaper.


We accept VISA and MASTERCARD over the phone for fast EBAY Payment!

Call NOW for faster shipping


NEW 66cc/80cc Gas Powered Moped Kit
This kit includes everything you need to convert most any V-frame bike to a gas powered scooter.

 This is a complete BRAND NEW 2 cycle 3.5 h.p. 66/80cc engine kit, comes with every thing you need to convert your regular 26" single speed cruiser or a multi speed mountain bike into a motorized bike. Operates like a moped, gets around 150 miles on a gallon of gas.  It is designed to universally fit an most any standard "V" frame mountain bike or cruiser style bicycle. (See Below)

KEEP IN MIND You can STILL pedal the bike and ride like normal or start the engine by releasing the clutch lever. No rope pulling needed. You can stop or start the engine as you ride. Twist grip hand throttle controls speeds from 35 to 40 mph. Depending on the gear ratio. Comes with 44 tooth 9 hole chrome racing sprocket with easy to install 9 bolt universal mounting hardware that clamps over the rear wheel hub and spokes. This creates a totally independent drive sprocket and chain that does not interfere with your current drive chain or peddling.



Requires basic mechanics and simple tools, it takes about a few hours to install while using easy to follow detailed instructions (included)

Kit Includes:

NEW 2 cycle 66/80cc bearing engine with built in clutch  (Same size engine was previously called an 80cc)

Teardrop metal gas tank with quality black paint job

44 Tooth chrome sprocket dished with 9 holes

Magneto that is sealed and weatherproofed

Certified EPA approved black Catalytic Converter Exhaust Pipe

UPGRADED Clutch Lever and cable with reinforced heavy duty bracket

Twist throttle w/ kill switch and cable

UPGRADED Longer Drive chain idler for easier adjustment

UPGRADED Pre-assembled carburetor assembly

UPGRADED Fuel petcock with labels in English

High quality Japanese main bearings

CD ignition assembly

UPGRADED Size 415 motorcycle chain

Chain tensioner guide

Glossy black painted Chain guard

All the mounting brackets, gaskets, and hardware needed.

FREE Large Frame Adapter!!!

FREE Spare Engine Spacer (Large Frame Adapter for unique frames)

FREE Extra Long mounting bolts

FREE Spark plug tool

FREE Clutch puller

Complete easy to follow installation instructions and maintenance manual

Suggested Retail Price     $300.00


These engines have a top speed of about 35 MPH (pretty fast on a bicycle). Average mileage is 150 MPG!

NO Registration or license needed! (Considered Peddle Assist in most states)

With the built in clutch you maintain full function of the original bike. Pedal, shift, and ride your bike like normal. The engine kit only adds about 19lbs to your bike. When you want to engage the engine simply release the clutch hand lever and the engine springs to life. To power off simply press the included kill switch.

We have an unbeatable price!

Factory Direct Pricing!

..but hurry because these prices won't last long. This special reduced sale price will only be offered while supplies last.

Easy installation!

Terms and Conditions

By bidding you are agreeing to the terms and conditions



SHIPPING TO AK ,PR OR HI or INTERNATIONAL ADDRESSES is extra please email for a quote

What are the shipping rates?
All motors ship UPS 
When can I expect my item to arrive?
You can expect your order to be shipped out within 3-5 business days.

Call direct for faster shipping 1-888-KIT-BIKE

We do not ship on Saturdays and Sundays. 
Please keep in mind....
We strive to make every transaction a great experience for our 
customers.  Please feel free to ask questions.  Thank you and 
have a GREAT DAY!~ 
Operating this motorized bicycle or bicycle engine kit involves some risk of serious 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. Seller is not responsible for injuries and/or damages resulting from operating this motorized bicycle or bicycle engine kit . This kit comes complete with everything you need to convert any V frame bicycle to an 80cc scooter. Simply clamp on the engine, install the sprocket, gas tank, and other hardware and you should be up a running in a few of hours.




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