Doc J, I have no Nos plans, but have the option to up the boost from 8 psi, to 10.5psi, with a bottle of nitro on hand if I get
that desperate to blow it up.
The 175 is a complete hybrid,,all is revealed here,,
http://www.dlra.org.au/forum/viewtopic.php?f=18&t=556The DLRA does not seperate 2 & 4 stroke, and the CBR 121 isn't a record,(I don't think?),just the fastest cbr250 (my personal target)