The two main types of dirt bikes are motocross and trail bikes. Yamaha, Kawasaki, and Honda all make these types of dirt bikes.
For stroke engine bikes use the engine oil as gear oil. In case of a two stroke engine you can use regular 80 W / 90 gear oil.
4 stroke
Single cylinder 4 stroke. See link below for full 09 engine specs.
the top speed of a 150cc dirt bike can depend on a lot of things like if its a 2 stroke or a 4 stroke engine what kind of terrain your on and how much you way but the average is about 50-55mph
buy garden engine oil from Halfords then follow your manual instructions for a mix
depends on your age and height
there is no such thing as a 1 stroke only 2 and 4
no those bikes are not made for those kind of roads
A Kawasaki kx85 has a 29 horsepower engine. This kind of dirt bike also has a two stroke, single cylinder 84 cc motor.
What kind of engine? lawnmower, car.
Best to use two stroke oil. Mix it with the petrol, (I guess you know this)