crf 250 maintenance schedule

[hardkore]

i am geting a second hand 05 model crf 250 tomorow and was wondering what times i would have to do things like oil changes piston rings and al that stuff i live in australia and it is not like i fang the living shit out of it any advice wuld be good from those people who know what they are on about

[forsaken]

I would check everything (check oil levels, chain, coolent etc) clean the air filter every 2.5 hours or after every ride.. i would replace the oil and filters every 15 hours worth of work and the RingsPiston every 6-12 months or when its starting to lack a little power.