take it you are,


formula 1, open to pure race bikes,

supersport,600cc production class,

superstock,1000cc production,

senior is the top 75 bikes setting the fastest times of the week,entry published on the thursday.

lightweight were 250cc 2 stroke,no longer

ultra lightweight were 2 stroke 125's,no longer,

nothing to do with weight though.

or something like that,its late.