Build it.
While you're not likely to build much of a functional motorcycle from Mecano pieces, I like the idea of "if you can't have it, build it" to apply to custom bike building -- have a vision for something and go build it. Great render of the Mecano bike as well!
![Mecano Moto 2](https://dn3bmh8yk8vvw.cloudfront.net/zrpHEgQ4iPk2MN9BMhN1eC699Jw=/_16785.jpg)
Mecano Moto 2
![Mecano Moto](https://dn3bmh8yk8vvw.cloudfront.net/P5s4W01vStQIdQNzQhwZQl7jqUY=/_16786.jpg)
Mecano Moto