I just did my CBT - can you suggest a 125cc motorcycle to commute on?

I've done my CBT and I'm now looking for motorbikes which are eligible in this category. I'd be riding my bike to work for an average distance of 30 miles each way. Could you please suggest a used 125cc...

I'm 16 and want a motorcycle - can I legally put a 50cc engine into a 125 supermoto until I turn 17?

I'm 16 years old and want to get a motorcycle. I like the Supermoto style, but 50cc Supermoto are so expensive and I would grow out of it quickly. I was wondering if I could buy a 125cc Supermoto and put...