http://tinyurl.com/q4gd6kh
6.5HP GAS ENGINE GO KART LOG SPLITTER MINI BIKE STREAM EASY START MOTOR
Engine type: 4-stroke 25� single-cylinder with air-cooled
2 and 5/16 inch length with Keyway 3/16" counterclockwise rotation.
Compression ratio: 8.5:1
Displacement: 196ml
Max power output: 4.8kw/3600rpm