i picked up a sportfire 440 it runs great... but when i come off of top end and let it idel it sounds as if it were starving for fuel (motor makes long pings at idle) i did the carb (single carb) and help or info would be great....

kool thanks for the info i paid $300 for it lol and its only got 321 kmh on it the owner i got is from is the orignal owner scenes 81!!

i even got the oignal orange snowsuit boots and helmet

found this in an old barn right by my house its a 1981 moto-ski gp mx its a 503fan cooled independent front suspention!! and 10" rear suspention if some one could give me some info on this sled id be happy it is mint also very mint one little crack in the cab and thats it nothing is missing and...