In it, he outlined the constituent bits in Muzzy’s just-released ZX-12R big-bore kit, which would deliver a quartet of forged 13.5:1 compression pistons fitted to bores 2.4mm larger than the ...

Over there, aftermarket firms even offer body kits to make ZX-12Rs look like ZZ-Rs, and three ZZ-R models – the 1100, 600 and 250 – are still strong sellers. Key styling points, such as the ZZ ...