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Ready to start really burning rubber? The BBR Tuning 100cc Motorized Bicycle Engine Kit is one of the most powerful 2-Stroke motorized bicycle engines out there, outperforming even the most supped up 66/80cc motors in torque and top-end speed. If you're looking for some major power without spending an arm and a leg on a pre-ported engine with all the bells and whistles, this engine kit is what you need.
1-Piece Cylinder
The 1-piece cylinder offers you more consistent, even torque than 2-piece cylinders. Coupled with a 50mm bore and high, these engines carry more weight, run cooler, start much easier, and keep your power output more consistent than other 2-stroke bike motors.
High-Performance Components
A high-performance engine is nothing with components to back them up. This kit comes with upgraded components to increase this engine's longevity and performance, including...
Yamaha-style high-performance CDI for more consistent spark.
Super magneto for flawless starts every time.
Speed carburetor for increased speed and torque.
Pre-drilled ports in the clutch plate for smoother engaging/disengaging.
Upgraded allen studs all around the engine make this a secure, long-lasting engine.
Balanced Crank
Unlike inferior 2-strokes with barely balanced cranks, this crank is balanced and paired with upgraded crank bearings. The stuffed crank case sits tight to the crank, which helps increase the compression of your motor.
** Please note: Sprocket Clamp Assemblies included with BBR Tuning 2-Stroke 48cc, 66/80cc, and 100cc, as well as 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 100cc bike 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.
3 HP (horse power)
30-40 mph depending on the gear ratio and weight
Fuel Economy: 100-150 miles per gallon
Bore and Stroke: 50mm x 40mm
Average Power: 1.8kw-1.9kw/8000r/min
The engine chain does not interfere with your current drive chain and peddling because it rides on the opposite side of the bike sprocket.
Complete Digital Installation Guide
Each BBR Tuning bicycle engine kit comes with an easy-to-follow installation guide that takes you step by step through installing, adjusting, and fueling your brand new engine kit for the ride of your life.
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).
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”).
BBR Tuning 100cc Motorized Bicycle Engine Kit Includes:
BBR Tuning 100cc Motorized Bicycle Engine 3+ HP Engine with one piece cylinder/head
50mm Bore, 40mm Crank Stroke
NT Carburetor
Angled LD Z8C spark plug
Super magneto
Yamaha-style high performance CDI
Upgraded allen bolts
Balanced crank w/ upgraded bearings
Stuffed crank case (thicker crank case around bearings)
40mm Intake Manifold
Round exhaust port - 21 mm diameter
High wrist pin piston
89mm crank rod
Mounting Kit & Accessories:
High-performance CDI with Yamaha components
Black teardrop gas tank (1.5L) w/ new fuel cap, fuel valve, fuel filter, and fuel line
415 Heavy duty chain
Chainguard
Chain tensioner w/ bearings
21mm Chrome Exhaust Muffler
Complete throttle assembly
Clutch Lever and Cable
Drive sprocket removal tool
Spark plug removal tool
Universal Mounting Bracket
9 Bolt Sprocket Clamp Assembly
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.
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.
Disclosure of accurate engine size: While we have chosen to use the long standing factory branding engine size of "100cc", the true displacement of the bicycle engine is 78.6cc. Down through the years China bicycle engine manufactures have advertised their biggest engine as 100cc, therefore we have listed them in the same way on our website. 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 "100cc" engine kits on the market today are actually 78.6cc in displacement size if measuring by US standards.
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