ive got to start somewhere so here goes ive rode motocross and enduro bikes and set suspension sag ,rebound ,compression is there a genral rule to set up a trials bike ive bought a beta techno 250 97 im 13 stone ? also the exhausts quite coked up in the mid section how can i clean this out ..last but not leased the tyres are shot it any advise wouls be welcome thanks

Michelin x11's or IRC (good in the mud) run rear at 4 and front at 6, go to 3 in the mud for the Mich rear 4 if you go IRC. I didnt like the front IRC so stick with Mich on the front.

thanks for the reply on tyre but can anyone help with the other questions ??