Some of the least expensive dirt bikes for sale as of 2015 are the 2013 Kuberg Start at $1,099, the 2009 Yamaha PW50 at $1,199, the 2012 Yamaha PW50 at $1,290, and the 2009 Yamaha TT-R50E at $1,299. These are all for sale new; used bikes are slightly less expensive.
Prices for used bikes on eBay are generally comparable to the price of less expensive dirt bikes purchased new. Local classified ads may offer prices that online sales can't match. The Axle Geeks dirt bike page compares different bikes by quality, price and other factors to help shoppers make wise decisions.