Built all brand new This was a 26inch road master granite peak mountain bike with a 80cc 2 stroke engine equipped which had a stock horsepower of 2.75HP since then i have made some upgrades: 1)bored out both intake and exhaust holes 2)added on a high performance racing carb 3)removed the baffle on the exhaust giving it as much air to breathe 4)swapped headers out and replaced it with a dual spark plug head giving better performance and combustion in the cylinder along with adding another CDI 5)swapped 44T sprocket to a 32T for better acceleration and speed 6)upgraded fuel tank from 1/4gallon to a 1/2 gallon getting about 100miles per gallon 7)upgraded kickstand 8)upgraded racing piston 9)new tires 10)specifically reinforced rims made to withstand speeds of 70-90mph 11)Headlight, Rear light, Speedometer 12)upgraded clutch and clutch handle 13)have new brake pads for it 14)LED lights on rims It is a daily driver puts out about 9HP now and i have reached a top speed of 67mph on this bike still have all original parts that come with it sits at an idle Condition: Like new