Your Leader In The Motorized Bicycle Engine Kit Revolution

Are you still pedaling? Motorize your bicycle! It's fun, safe, and economical!

Bicycle-Engines.com is one of the first and largest importers of authentic EPA approved 2 stroke and 4 stroke SkyHawk™ & StarFire™ motorized bicycle engine kits in the US. Browse our site for the best selection of high quality gas bicycle motors, motorized bicycles, and bicycle engine parts. It only takes an afternoon to turn your ordinary bicycle into a motorized gas scooter using our complete ready to install bicycle engine kits.

For a limited time get FREE SHIPPING on all web site orders of $100 or more. Enter coupon code FREESHIP during checkout.

*Offer valid for standard ground shipping on orders in the Continental US only. Some exclusions on oversized items may apply.

*NEW* 4G T Belt Drive System

4G T Belt Drive Gas Powered V Frame Bicycle Engine Kit - 49cc 4G T Belt Drive 4 Stroke Engine Kit The long awaited 4G is finally here. Whisper quiet operation with the new T belt drive eliminates noisy, troublesome gears. Limited supply in stock. Get yours today! - 4 cycle 49cc engine with centrifugal clutch - 5 to 1 power ratio quiet transmission - No belt tensioner needed - Ball bearing clutch bell drum - 3 piece wide crank -6 month limited warranty   Only $399.99 FREE SHIPPING!

2 Stroke Starfire Gen II

Standard Bicycle Engine Kit - 58cc Entry Level Basic 2 Stroke Engine Kit -2 cycle 58cc engine with friction clutch -Get 150mpg with top speeds of 35 MPH+ -6 month limited warranty   Only $189.99	Phantom Bicycle Engine Kits Limited Edition "Phantom" Deluxe Kit -Chrome eng. w/ black powder coated cyl. -HD axle kit with drum brake -Push button clutch handle with brake lever -Dual brake lever twist throttle w/ kill switch -2 sprockets 50T (power) 44T (speed) -6 month limited warranty   Starting at $229.99
Bicycle Engines Only - 2 stroke Engines Only -Complete engine only replacement -Standard or deluxe -StarFire Gen II -6 month limited warranty. Starting at $119.99	Bicycle Engine Parts - 2 stroke 2 Stroke Factory Replacement Parts -Complete line of StarFire replacement parts -Easy access full color catalog -In stock and ready to ship -6 month limited warranty. Starting at $0.39

4 Stroke Skyhawk Stage III

Motorized Bicycle Engine Kit - 49cc Entry Level Basic 4 Stroke Engine Kit -4 cycle 49cc HuaSheng engine -Stage III gearbox (wet run option) -56T Chrome Sprocket -6 month limited warranty.   Only $369.99	Rear Mount Bike Engine Kit - 49cc Entry Level Complete Rear Mount Kit Complete 4 stroke REAR mounting kit -Includes 49cc HuaSheng engine -Stage III gear box -6 month limited warranty.   Only $419.99
Engine Mounting Kit Only - 4 Stroke Standard Mounting Kit -Complete mounting kit without engine -Deluxe adjustable mounting plate -415 heavy duty chain -6 month limited warranty. Only $219.99	Bicycle Engines Only - 4 stroke Engine Only -4 stroke engine only - HuaSheng -In stock and ready to ship -6 month limited warranty. Starting at $169.99
Gear Box Assembly - 4 Stroke Complete Gearbox Only -Stage III gearbox (wet run option) -Sealed engager control -In stock and ready to ship -6 month limited warranty. Only $119.99	Bicycle Engine Parts - 4 stroke 4 Stroke Factory Replacement Parts -Complete line of Grubee replacement parts -Easy access full color catalog -In stock and ready to ship -6 month limited warranty. Starting at $0.39