CBR400RR NC29

Early NC23 on left with NC29 head NC36 engine right. Intro This blog entry is to list and share what will fit the CBR400RR-L NC29. I have mostly collated it for cross compatibility of NC23 parts as such I will also have a list on parts that do not fit from this machine. I will also list items such as fuel pumps that will fit from other models but clearly aim not going to tell you that an AUDI A4 door does or does not fit, because that would be silly. It doesn't by the way, you can have that one. I will update this periodically as I find things that do or do not fit and update the version number as I go. All of the latest updates will be in red. Engine Stuff: Engine code: NC23E102xxx CBR400RR NC23 1988 Too far forward & low Different upper mount The engine is not a straight bolt in. The spacing is substantially different at the rear with the rear barrel mount missing. The case rear upper mount is too high and aft so it fowls the water tank before far...

This one is short and sweat, a simple bolt in mod in fact. The stock ignition has a hard red line, top speed restrictor and a restrictive ignition curve that an HRC ignition unit would sort right out along with associated HRC mods. Clearly these mods aren't about anymore but  GF Racing UK  have you covered with their fully programmable plug in ECU which conveniently comes with the HRC map already installed. I ordered mine after the dyno runs  previously mentioned and very quickly got an email from the owner of GFR. He didn't have an ECU in stock and offered to lend me his unit from his own bike! I was in no hurry for it so thanked him and waited patiently (what a guy though!). When the box did arrive, fitting up was a pretty easy process: Remove tail fairing on LHS. unplug and remove stock ECU. Fit GFR ECU under OEM ECU rubber boot. Plug in GFR ECU. Reassemble fairings. Then all all I needed to do was chuck my kit on and go ring the little CBR's neck! Th...