I purchased the honda cbr 125 about 4 months ago, the gearbox seems to need some time to adjust before it can be used effectively, as for the first 1000 miles i had continuous problems with gear changing, however now that ive done over 4000 miles i experience no problems with the gearbox. No other problems have occured during these 4 months but i purchased the cbr125 brand new so didnt expect any. As for riding the cbr125 is a fantastic introduction to motorcycling i throughly enjoy riding this bike, shown by the milage, it has the slick looks without showing off to much and has the handling of a bicycle but the acceleration of a mini motorcycle, it´s a mini cbr. only thing i would change about this motorcycle is the wheel size, the skinny wheels means you have to continually compensate for cracks or breaks in the road as the motorcycle will follow them. my question is about de-restricting the cbr125, is it possible and how would i go about de-restricting the cbr125? thank you for reading