Some gasoline engines for bicycles include the Dragon Fire 66cc/80cc two-stroke engine by Flying Horse and the Jeet Racing 80cc bike motor. The Black Stallion 66cc/80cc bicycle motor and the GasTrike 212cc trike engine are other good examples.
The Dragon Fire is a 2.75 horse power engine capable of top speeds ranging from 25 to 40 mph depending on the gear ratio and weight on the bike. The engine kit fits on standard male frames with tubing of 25 to 29 millimeters in diameter and gets 100 to 150 miles per gallon.
The Jeet Racing 80cc bike motor is a two-stroke engine with 2.75 horsepower and a friction clutch. It has a chrome-lined cylinder wall and a head with center-fire spark plugs.
The Black Stallion 66cc/80cc bicycle motor is a two-stroke engine with 2.75 horse power capable of reaching 25 to 40 mph depending on gear ratio and weight. It can get up to 150 miles per gallon and comes with a six-month warranty.
The GasTrike 212cc trike engine is a four-stroke engine with 6.5 horsepower that's capable of reaching 3600 rpm. The maximum torque is 8.1 foot-pounds at 2500 rpm, and it has a sound rating of 108 decibels. It has a recoil-type start and uses a counter-clockwise shaft rotation direction.