Performance record of a '96 Yamaha TDR 125cc bike, 22000km engine, 6000km piston and rings. Already showing a little decrease in performance, but still acceptable.
- Decatalysed exhaust
- Optimised engine (polished ports, enlarged reed-valve, tweaked carburation 260 main-jet, 30 idle-jet)
- Factory gearbox wheel 16 teeth
8 secs?
Schumi2202 3 months ago 3