Spose they all get hard to start if they arent looked after. making sure valve clearance is done etc always helps. My atomik was always hard to satrt since i got it but after cleaning the carb and doing valve clearance , u just kick it and it idle perfect
heres just a few options not knowing where u are BUT im sure u can use this as a guide
http://cgi.ebay.com.au/Honda-CRF50-Motorbike_W0QQitemZ320317446232QQcmdZViewItemQQptZAU_Motorcycles?hash=item320317446232&_trksid=p3286.c0.m14&_trkparms=66%3A2|65%3A1|39%3A1|240%3A1318
the other end of the spectrum
http://cgi.ebay.com.au/2004-Honda-CRF50-Loads-of-Extras-Big-Spent_W0QQitemZ330285667496QQcmdZViewItemQQptZAU_Motorcycles?hash=item330285667496&_trksid=p3286.c0.m14&_trkparms=66%3A2|65%3A1|39%3A1|240%3A1318
and yes older ones goe cheaper this is just a guide maybe if you would like something built stronger than a china
thanks mate,
oh and themountain I have never a motorbike before lol!