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    How to Mix Oil & Gas for a 2 Stroke Motor

    We go over how to mix your oil & gas for a 2 stroke motor. The ratio of oil to gas is 1 oil to 16 gas for

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66/80cc BBR Tuning Black Angle Fire Bicycle Engine Kits - 2 Stroke Item# FH-BEK80-B

SALE Price: $169.95
List Price: $349.95

Availability: In stock

From: $169.95

To: $347.70

Price as configured: $169.95


Gasoline operated products are NOT compliant with Environmental Protection Agency ( E.P.A. ) or California Air Resources Board (C.A.R.B) for the use on/off Public roads. Upon purchase, the buyer agrees to use products for racing (closed-course competition) only and NOT for on/off public roads.

If you’re looking for a performance engine that'll last, look no further than our 66/80cc Black BBR Tuning bicycle engine kit! Perfect for those comfortable with faster engines and have a desire to get up and go, the BBR Tuning bike engine kit will have your ordinary beach cruiser soaring down the street . There's no rope pulling needed and you can stop or start the engine as you ride: just pedal the bike normally and start the engine by releasing the clutch lever.

All of the BBR Tuning bike engines feature the latest upgrades, including Japanese bearings and clutch components. We make certain that all of our manufactures abide by strict quality control assurance measures and use the highest quality material so that we can make certain that all of our customers get only the best. Made for experienced riders and builders, our BBR Tuning 66cc engine kit is ready soar- are you?

 ** Please note: Sprocket Clamp Assemblies included with BBR Tuning 2-Stroke 48cc and 66/80cc, and 4-Stroke 49cc bike engine kits come with only 1x set of metal plates. Older production of these assemblies included 2x sets, but from testing and redesigning, existing engine kits and engine kits in the future will only require 1x set. This redesigned assembly helps secure your rear wheel sprocket better than in previous production.

On top of our strict quality assurance measures, we also back our engines with an industry leading 6 month warranty

Product Dimensions and Specifications

The BBR Tuning 66/80cc engine kit is about 8.5" height 7" length 5" width. The bike engine kit fits on standard, male frames with tubing of 25mm to 29mm in diameter. Larger frame sizes require drilling into bike frame with a stationary bolt and use the universal face plate to mount the front of the engine.

2.75 HP (horse power)

25 to 40 mph depending on the gear ratio and weight

Fuel Economy: 100-150 miles per gallon

The engine chain does not interfere with your current drive chain and peddling because it rides on the opposite side of the bike sprocket.


Product Requirements

Installation is a breeze! The rider only needs some basic hardware skills, tools, and around 2-3 hours for installation and fine tuning adjustments (Note: Seller is not responsible for misuse or this kit or any warranty after installation).

*Note* CNS Carburetor upgrades will require extra matierial to fit flush around the manifold. This can be remedied by wrapping the manifold with electric tape or using PVC to fill in the gap between the carburetor port and the maifold. 

 Fits Most 26" Wheeled Bikes (Mountain, Cruiser, Chopper, Road) with V-frame. The frame should have 9-11” of clearance between the bottom bracket and top bar, and the diameter of the frame tubes should be 25-29mm (around an 1”).


Package includes *(Products pictured may come in different colors but does not hinder performance.)

1. 2011 Black BBR Tuning 66/80cc 2-Stroke Engine

2. Low Profile Carburetor

3. Upgraded Chrome Muffler

4. Complete Clutch Cable Assembly with Clutch Wire Clip

5. Drive Chain Idler Pulley

6. Top Quality Japanese 202 Main Bearings

7. 415 Bike Engine Drive Chain

8. Drive Chain Guard

9. 2-Stroke Spark Plug

10. Electron Ignition Coil (CDI)

11. Locking Alloy Clutch Lever

12. Upgraded Twist Throttle and Cable With Grip

13. Updated 1.5L Black Teardrop Gas Tank (approx. ¼ of a gallon)

14. Fuel Line

15. Throttle Cable

16. Gasoline Tank Switch

17. Sprocket Clamp Assembly

18. 44 Tooth Chrome Drive Sprocket with 9 Holes

19. Large Spring (Heat Shield Spring)

20. Extension Spring (Recoil Spring)

21. High Quality Japanese Bearings on Both Ends of Crank

22. Kill Switch

23. Magneto

24. Required Hardware and Gaskets

25. Bonus: Spark Plug Removal Tool (While Supplies Last)!

26. Bonus: Standard Universal Bracket

27. Complete Easy to Follow Installation Instructions

Disclaimer: Operating this motorized bicycle and bicycle engine kit involved 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. Upon purchase, the buyer agrees to use products for racing (closed-course competition) only and not for on/off public roads.

Disclosure of accurate engine size: While we have chosen to use the long standing factory branding engine size of "80cc", the true displacement of the bicycle engine is 66cc. Down through the years China bicycle engine manufactures have advertised their biggest engine as 80cc, therefore we have listed them in the same way on our website. However, the bore and stroke of an 80cc being 47x38mm equals 66cc. Therefore the true displacement of the 80cc bike motor is 66cc. In the west, the volume of a cylinder is calculated by using the formula Volume = Pi x Radius Squared x Stroke. However, in the east the displacement of an engine includes the area of the cylinder head's combustion chamber as well as the volume of the cylinder. Therein lies a discrepancy between measuring standards by the manufactures in China with those in the United States. However, all "80cc" engine kits on the market today are actually 66cc in displacement size if measuring by US standards.

Best Price Guarantee

BikeBerry.com is committed to providing our customers with the best price available online! At BikeBerry.com we work hard to offer the most competitive pricing available, but if you find a lower price online, let us know and we'll match it! In fact, if you find a lower price within 30 days of your original purchase date, we'll refund you the difference.

Complete the Best Price Guarantee form below to request a quote or price difference refund.

Best Price Guarantee Terms and Conditions:

Item must be the identical model from an authorized U.S. dealer. Specifically, the product must have the same U.S. manufacturer's warranty, model number, and contain the same components. BikeBerry.com will price match only in-stock products.

BikeBerry.com reserves the right to verify another online company's product availability and price before issuing a price match.

BikeBerry.com does not match auction websites or refurbished products.

The Best Price Guarantee does not apply to obvious pricing errors or clearance/close-out items.

Best Price Guarantee applies to the total purchase price of the item. Total purchase price includes shipping, taxes, or other discounts.

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Customer Reviews

Great buy! Review by Huffy-Davidson
this kit came with EVERYTHING I needed to install onto the bike. The instructional DVD was very vague on details, but if you go to www.youtube.com/bikeberrycom there are more detailed and easy to follow videos. Cant wait to turn heads on my Huffy-Davidson AGAIN!!!

-Landon (Posted on 4/14/2014)
nice kit,easy install Review by mksoflo
Ordered the 66cc got it FedEx in about 8 days easy install with minor mods . Hand tools ,cutoff wheel needed.some carb ajustmentsand it runs sweet .everything needed comes in the kit. The only problem I had was getting the clutch adjusted I got a bad cable but a call to b.b.and anew one is on the way all in all I have to give the experience five berrys (Posted on 11/15/2013)
Great product, highly reccommended Review by Ronnie
I recently used this engine kit to motorize a Nirve Red Star 26" beach cruiser. Everything needed was in the box, and it was sitting on my doorstep six days after ordering. Assembly time was about 15 hours. If this is your first gasbike build like it was for me, find someone with small engine/motorcycle engine experience to help you. The engine started right up with no problem, and runs great. Actually, it runs REALLY great. Because the manufacturer recommends a very rich fuel mixture during the break in period, expect your first spark plug to foul quickly. The standard carburetor included works very well. I am very pleased with both the price and the worry free performance of the Flying Horse kit. I've had a total blast on my gasbike, and for a complete kit like this under 200 bucks, you just can't go wrong. I have yet to go for a ride without being stopped by people that want to ask questions and take a closer look. I highly recommend this engine kit for anyone looking to build a gasbike. You couldn't ask for more inexpensive, efficient and fun transportation. I'm currently on my fourth gallon of gas, and the only problem I've encountered was replacing the sparkplug. Great performance and quality for the money. Do it! You won't be sorry. (Posted on 10/19/2013)
great product Review by meWA
Runs great, its alot of fun to ride. The fuel valve that was in the kit did not work, so i had to get a fitting and a new valve. but no other problems! Washington buyers beware!!!!! This is not a way around not having a drivers license. In Washington state, a motorized bicycle is considered a moped. You must have a drivers license, mirrors, head light, tail light, turn signals, brake light, DOT approved helmet and a license plate. You can and will go to jail over that here. It is possible to get all of these things. Iv done it. so good luck. (Posted on 4/29/2013)

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