what is the best regulator to fit,& where as the standard reg is small,is it ok under the airbox,or is fitting a bigger reg better,as you see cheap regs on e,bay, or can you fit a genuine honda reg of another model if so what models are best,as found some dodgy wiring,om my bike,crm250ar,so want to replace my regulator with a good one that will last,where is the best place to mount it,so it keep cool