The Standard Silver 80cc engine is about 8.5" height 7" length 5" width.
Engine fits on standard 25mm - 29mm frame tube.
Larger frame size requires use of our universal face plate.
5-6 HP (horse power)
25 to 40 mph depending on the gear ratio and weight of rider
MPG 100-150 miles per gallon
Independent drive sprocket and chain does not interfere with your current drive chain and peddling