With a four stroke motor I just have to change the oil each time I take it out and check the chain tension and the air in the tires for the most part. Maybe twice a year clean the clutch out a little bit but I still haven't done that... Kind of extremely low maintenance.. I talked to my friend at the track and he has both a two-stroke shifter kart and a two-stroke one speed tag kart. He seems to like the shifter kart but says it's very finicky and always having to adjust something.. the tag kart he's done nothing but put gas in it...
