929 build - CBR Forum - Enthusiast forums for Honda CBR Owners


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Old 03-16-2017, 11:00 PM
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Default 929 build

Hey everyone,
So I'm finally getting to my 929 build.
Here is my Fireblade's story that leads up to this post.
I bought the bike back in 2012, and wrecked it in 2012, ended up getting new frame since my old one was thrashed, went through the head prior to putting engine in new frame(had valves and head cleaned) installed 954 TB's, PCIII, ignition module, Jardine exhaust from midpipe, HASS midpipe delete, 1 down 3 or 4 up on sprockets, and PC LCD display with map switch. Ended up taking 954 TB's off due to a no start(my *** hooked up the coil wires wrong. I'm a car/diesel mechanic, thought 1 was next to cam gears/timing chain like most engines) and installed 929 TB's without the ignition module as well. Installed 929 map and started. It ran great, but had a noise from the case. I broke a piece off the chain tensioner but was told it would still work. I replaced it after the first start with a manual adjuster and started a second time. Didn't tighten it too much at all. Still had noise at start up, so I tightened more, but noise remained. Pulled valve cover only to find the chain wore through the guide and threw plastic through the engine. Removed cam shafts and timing chain hardware. It sat for a couple months in my garage, then I moved to a new house where I had some room to work on it. My original plan was to order new timing chain hardware (chain and guides) and go back to what I had before. I haven't bought the stuff yet because I was waiting for money. So I pulled the oil pan and cleaned entire engine with brake clean and air last weekend. Cleaned up my camshafts to install to check valve lash prior to reassembly with new chain and such(had the ends ground during disassembly and cleaning and never checked it :-/ I know, SMH at myself) while cleaning my intake cam I noticed some damage had occurred to one of the lobes.
And here we are today, my dilemma. I did some research and found out that the 954 camshafts have a higher lobe duration then the 929's. I was thinking about installing a 954 intake camshaft and keeping the 929 exhaust camshaft. I'm​ putting the 954 TB's back on it whether or not I install the 954 camshaft. I planned on having it tuned by EDR Performance​ out here in Oregon(super reputable shop and have an awesome dyno) when I'm all done doing things.
So here is my ultimate question. Has anyone ever heard of somebody doing the cam swap between the 900 Fireblade's at all? And if so, how did it work??
I know, super long post. Thanks for reading it all the way through :-)
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Old 03-17-2017, 10:55 AM
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I'm doing the same cam mod, kind of. I;m going to use both 954 cams as they were designed to be used together. along with the throttle bodies, I want to try to swap the ECM to a 954. I will need to sit down with wiring diagrams and change the connectors. If that works out, I will get a much better brain running the system.

But as of right now, the parts sit next to the bike in a box....
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Old 03-17-2017, 01:53 PM
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Yeah I thought about doing both camshafts, but I did the HTEV delete/airbox mod. So I want to keep a lil back pressure.
Get a Power Commander and you don't need to change anything ECU related :-) :-)
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Old 03-17-2017, 02:42 PM
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I have one. It's actually the Yoshimura version from back in the days of 2001...
The 954 processor is faster and has more memory (16bit vs. 8bit). It's a second generation designed to replace and refine all the FI issues of the gen 1 ECM that the 929 got. Smoother throttle control and better fuel delivery would be a plus.

Besides, I already have one.... so why not.
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Old 03-17-2017, 04:17 PM
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True that. I might try to find an old 954 ECU then. Could always use something to make these Fireblades liven up :-) :-)
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