Why is my Honda CB250 motorbike spewing out so much smoke?

When I run my bike it gives off a lot of smoke when riding and at the lights. As far as I can tell it runs fine, but just smokes a lot. It was so bad tonight that the taxi behind me was pretty much engulfed by smoke, so much so I was worried if he could see the road properly or not. I of tern take it on longish distances (over an hour of riding at about 90ks an hour (56 miles. Could that have damaged it ( I know its not exactly designed for that)

Check your oil level, if it's low your burning oil, take it to a bike garage and et them to sort it out or sell it depending how much the bike was when you brought it

Smoke… I'd say you are burning oil… And your rings are shot… But that's just a guess.

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