125cc, 4 stroke, manual transmission. This thing is very fast! kick start, suspension!! This is way faster and much comfortable than all the 110cc superbikes. The bike starts up at 1 kick and is very fast! I will throw in a brand new extra carbuerator. Im asking $400 for the bike or best offer! Give me a call (818) 497-7446 or email me : bmpower007@yahoo.com.