over heating kdx

[skagracer]

hi got a new 2003 kdx 220 got 200 miles or 300 kms if you are a canuck like me running hard in tight tree runs the bike will overheat and boil over jetting is 142 main and plug this bang on dark brown I ride at 3500 feet and up any one got this or know of it and what the fix is hep

 

[reelrazor]

Check the water pump impeller. Also make sure the cooling system is bled and the rads are clean, inside and out.