2007 Corona Honda Extra CBR600RR Review
…mapping, and cam timing," explains Ethell, owner of Jett Tuning. "Because of the rules in Supersport, we're only allowed to clean things up a bit." The 2007 Honda CBR600RR is crisp right out of the box, but upgrade to race-spec suspension and Jett-Tune the engine and it's time to race.In fact, AMA Supersport…