makkayz125

i ride at break water moto cross track and i ride a yamha yz 125 1992 which i have just rebuilt the back shock and motor and have put 1999 plastics on it also a pro circut exaust race tune fork settings and afam bars .....etc......etc i would like to buy a new bike as this model is to high on mantinance and i would like to up grade to a 250 .....i get the poor old 125 into top gear in no time and because of this i have blown it up 2 times and have melted the crank seal. and i´m also a 1st year motor bike apprentice machanic