When you think of pit bikes, Apollo is one of the first that comes to mind. What more could you ask for with their selection of 50cc, 70cc, 110cc, 125cc and 150cc gas engines. Perhaps a one-stop shop source for replacement parts. Get 2 It Parts has what you need. If you want to bump that 50cc motor up to a 70cc, we have got you covered. If you fried the clutch on your Apollo dirtbike, we have you covered. If you let your dirtbike sit over the winter without fuel stabilizer and gummed up your carburetor, you guessed it. We've got you covered!