Radiator,,overflow tank,,waterpump,,hoses are what youre gonna need aswell as an exhaust to flow it...........This place is selling them as well.
http://www.petrolscooter.co.uk/engine-39cc-liquid-cooled-complete-polini-911.html
What else would I need just a radiator?? How much power do they have???
For the past two weeks its been raining on and off practically every other day around here....You cant go by the forecast anymore....LOLI am putting one in a MTA2 frame with X7 wheels and extended rear arms. The rain put a big dent in my plans,lol.