CBR929RR servo motor cable movement - Honda Motorcycles - FireBlades.org
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post #1 of 8 Old 01-05-2017, 9:24 AM Thread Starter
 
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CBR929RR servo motor cable movement

So I've removed the full exhaust system off the bike and when I disconnected the servo motor cables on the exhaust side I manually pulled on the cables to rotate the pulley to get the cables out.

But I remember reading somewhere that if you manipulate the servo motor position manually that an error will pop up.

Am I going to have to reset this now?
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post #2 of 8 Old 01-05-2017, 11:37 AM
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Re: CBR929RR servo motor cable movement

Short answer: Yes

Long answer: Nope. You can reset the infamous 34 & 35 codes all you want. If the HTEV system isn't either; A. 100% intact and functioning properly or B. fully deleted and a "Servo Buddy" (or other similar product) installed, be prepared to have that red illuminated MIL starig you down and annoying the crap outta you, until one of the two aforementioned things happens.

I performed the latter on my RR2 ($55 off ebay) and all is well
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post #3 of 8 Old 01-05-2017, 12:35 PM
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Re: CBR929RR servo motor cable movement

I think it only reads the servo motor operation during normal use (since you moved it out of normal position you will trigger a code), but why leave the weight of the motor and cables hanging about doing nothing? My MIL is always on now but I know why so it no longer bothers me... electrical tape might tidy it up to where you don't see it,, but I like to watch the codes blink by once in a while to make sure it is just 34 and 35 (I have one other too as the flapper motor has also been removed along with those cables).

Anyway - whilst annoying to have the light there (blinks in neutral after starting, goes solid when in gear) at least I know it is not a "big" issue. I'd rather have the weight savings of getting rid of old useless parts (Bike is currently at 400lbs dead with an almost-full tank).
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post #4 of 8 Old 01-09-2017, 10:31 AM Thread Starter
 
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Wouldn't mid range response by disabling the servo motor and exhauSt valve movement?
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post #5 of 8 Old 01-09-2017, 11:33 AM
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Re: CBR929RR servo motor cable movement

Wait, you put the standard exhaust back on the bike from a full system? The short answer in that case is yes.

However- any full system is probably going to give you more mid-range and top-end power than the standard system would (or it should at least). I am not sure why you would want to go away from a full system to go back to standard that adds more weight and probably is going to drop a little bit of power to boot.

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post #6 of 8 Old 01-10-2017, 7:35 AM Thread Starter
 
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Re: CBR929RR servo motor cable movement

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Originally Posted by RRDemon View Post
Wait, you put the standard exhaust back on the bike from a full system? The short answer in that case is yes.

However- any full system is probably going to give you more mid-range and top-end power than the standard system would (or it should at least). I am not sure why you would want to go away from a full system to go back to standard that adds more weight and probably is going to drop a little bit of power to boot.

Haha no, I should have clarified what I meant by removing the "full exhaust system" - I removed the headers, control valve section, muffler etc. of the OEM system.
If I had a good aftermarket system I wouldn't go back to the stock system, but I don't have one.

Only the muffler is non-standard. It's a Remus Genesis.

Either way, I ran the bike for a bit today and there's no error showing up. Revved past 3000 rpm and saw the exhaust valve pulley rotate. Rode for about 2km, but I don't think I went up to 8000rpm. Seems to be working OK with no error code, for now...
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post #7 of 8 Old 01-10-2017, 8:16 AM
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Re: CBR929RR servo motor cable movement

As I reviewed this thread yesterday, I meant to ask... since you never really mentioned replacing the stock exhaust. Please excuse my presumptuous nature in thinking you were upgrading.

I ran my RR2 with servo motor/cable issues for a little bit. Codes came up at full throttle, but that's where mine was failing.

Is your (OEM) system completely reinstalled now?

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post #8 of 8 Old 01-10-2017, 10:55 AM
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Re: CBR929RR servo motor cable movement

Glad to hear you didn't pick up any codes (at least <8k). I can't say I go over the 8k marker too often myself, though it does happen from time to time =) ..gotta keep myself in-tune.

You can usually get a second-hand system for a relatively reasonable price from fleabay. I picked up a full-Ti Arata system for $600(usd) compared to the $1,900(usd) clearance price Arata has tagged on them new. The end pipe new alone would cost me $680 alone... so with no dents and only a few minor scratches on the can (normal use scratches.. not crash scratches) it was a helluva deal on a good system. One thing - your can becomes useless as it is only designed to bolt to the standard mid-pipe... so you do have to find the whole shebang front to back.

May be worth a look-see to ascertain what is available to you =)

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