How to "fix" the 34/35 HTEV MIL without servo motor - Honda Motorcycles - FireBlades.org
Honda FireBlade Discussion of the Honda CBR 900RR, Honda CBR 929RR, Honda CBR 954RR, and Honda CBR 1000RR Motorcycles.

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post #1 of 40 Old 11-26-2012, 3:52 AM Thread Starter
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How to "fix" the 34/35 HTEV MIL without servo motor

Re: EVAP Valve & EGCV Servo Motor Removal
Here are the parts I bought from the local radio shack:
- 470uF 35v capacitor
- 220 ohm resistor (any wattage)
- 4.7k ohm resistor (any wattage)

Here are the steps (took me no longer than a half hour):
- Disconnect and Remove servo motor (you will need to remove, or at least raise, the gas tank to access servo motor)
- cut off servo motor connector ( leave at least a couple inches of wire on connector)
- connect green / orange wire from servo motor connector to negative terminal of capacitor
- connect one end of 220 ohm and 4.7k ohm to pos terminal of capacitor
- connect other end of 220 ohm resistor to red wire from servo motor connector
- connect other end of 4.7k ohm resistor to turquoise / pink wire from servo motor connector
- isolate and insulate all wire connections from each other
- install modified servo motor connector to mating connector
- re install tank
Voila!!


This information was posted here by Toofass4udoo eighteen months ago and has been confirmed to work. He hasn't been back here since that time and I haven't done this myself, so if you need further advice just ask or check the original thread.

https://www.fireblades.org/forums/hon...ml#post1013294

Thanks to Toofass!

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post #2 of 40 Old 11-26-2012, 11:51 AM
 
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Re: How to "fix" the 34/35 HTEV MIL without servo motor

The information is perfect for CBR929rr.....
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post #3 of 40 Old 11-26-2012, 2:32 PM Thread Starter
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Re: How to "fix" the 34/35 HTEV MIL without servo motor

Quote:
Originally Posted by Hung View Post
The information is perfect for CBR929rr.....

I would expect it to be the same for both the 929 and the 954.
They're the only bikes with the HTEV system.

People have apparently used the 1000RR servo motor to "fix" the MIL on the 929/954 so it's _possible_ this _might_ work on the '04-'07 1000RR as well.

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post #4 of 40 Old 11-26-2012, 8:46 PM
 
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Re: How to "fix" the 34/35 HTEV MIL without servo motor

If this servo motor controls some 'flaps' what are you supposed to do with them?.
I've got trouble with mine at the mo, getting code 35 but the dealer I bought from is replacing the servo for free. This has led me to look at the actual unit and from there I've seen these topics about removal.
But what would you do with the control cables coming from it, ? this doesn't get mentioned?
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post #5 of 40 Old 11-26-2012, 8:48 PM Thread Starter
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Re: How to "fix" the 34/35 HTEV MIL without servo motor

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Originally Posted by Mollari View Post
If this servo motor controls some 'flaps' what are you supposed to do with them?.
I've got trouble with mine at the mo, getting code 35 but the dealer I bought from is replacing the servo for free. This has led me to look at the actual unit and from there I've seen these topics about removal.
But what would you do with the control cables coming from it, ? this doesn't get mentioned?

You remove the cables as well.

"I won't forget that ride for a while. Maybe you're right. Living fast might be worth the final crash. Maybe that's the secret you fliers know." - Flight of the Intruder
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post #6 of 40 Old 11-26-2012, 8:50 PM
 
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Re: How to "fix" the 34/35 HTEV MIL without servo motor

And then somehow fix the flaps shut I presume?
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post #7 of 40 Old 11-26-2012, 8:52 PM Thread Starter
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Re: How to "fix" the 34/35 HTEV MIL without servo motor

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Originally Posted by Mollari View Post
And then somehow fix the flaps shut I presume?

There is a flapper valve in the airbox - remove it.
There is a rotary valve within the HTEV housing - simply wire it into one of its three positions, up, down and forward. Try all three and decide which you prefer for the way you ride.

"I won't forget that ride for a while. Maybe you're right. Living fast might be worth the final crash. Maybe that's the secret you fliers know." - Flight of the Intruder

Last edited by bladeracer; 02-01-2013 at 4:00 AM.
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post #8 of 40 Old 11-27-2012, 6:59 AM
 
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Re: How to "fix" the 34/35 HTEV MIL without servo motor

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Originally Posted by bladeracer View Post
I would expect it to be the same for both the 929 and the 954.
They're the only bikes with the HTEV system.

People have apparently used the 1000RR servo motor to "fix" the MIL on the 929/954 so it's _possible_ this _might_ work on the '04-'07 1000RR as well.
Lerry

I have CBR1000rr servo motor on my 929 already and using it for few years...
You gotta PM man...
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post #9 of 40 Old 12-06-2012, 6:39 PM
 
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Re: How to "fix" the 34/35 HTEV MIL without servo motor

Quote:
Originally Posted by bladeracer View Post
There is a flapper valve in the airbox - remove it.
There is a rotary valve within the HTEV housing - simply wire it into one of its three poisiontions, up, down and forward. Try all three and decide which you prefer for the way you ride.
Is there a noticeable difference in each position or is it subtle and down to personal style?
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post #10 of 40 Old 12-06-2012, 7:14 PM Thread Starter
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Re: How to "fix" the 34/35 HTEV MIL without servo motor

Quote:
Originally Posted by 929Erionracing View Post
Is there a noticeable difference in each position or is it subtle and down to personal style?

I'm sure there are many riders that wouldn't be able to tell the difference, but I wouldn't call it subtle myself.
As I said, try them for yourself and decide.

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post #11 of 40 Old 12-25-2012, 9:01 PM
 
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Re: How to "fix" the 34/35 HTEV MIL without servo motor

I just removed the valve all together and made a cap out of sheet metal to make it full flow all the time and tuned it.
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post #12 of 40 Old 02-01-2013, 3:54 AM
 
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Re: How to "fix" the 34/35 HTEV MIL without servo motor

Thanks for breaking the ground on researching how to do the mod in the first place!

I took the time to do your mod and write a Full how to on how this mod with step by step pictures on how to do it:
https://www.fireblades.org/forums/how...ml#post1111542

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post #13 of 40 Old 02-04-2013, 2:16 PM
 
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Re: How to "fix" the 34/35 HTEV MIL without servo motor

So according to the top post, would this be correct?
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post #14 of 40 Old 02-09-2013, 8:53 PM
 
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Re: How to "fix" the 34/35 HTEV MIL without servo motor

Quote:
Originally Posted by Slycrew View Post
So according to the top post, would this be correct?
Yep that's correct
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post #15 of 40 Old 02-13-2013, 12:10 AM
 
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Re: How to "fix" the 34/35 HTEV MIL without servo motor

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Originally Posted by bladeracer View Post
There is a flapper valve in the airbox - remove it.
There is a rotary valve within the HTEV housing - simply wire it into one of its three positions, up, down and forward. Try all three and decide which you prefer for the way you ride.
Sooo.... Could you completly remove the htev; and relace it with a 4:1 collector and have a "gp" style exhaust?? I'm just trying to learn, But I am curious. Does this comple tely take away the code safely or does it trick the computer into not showing you the warning light? Meaning; the bike still knows somthing is wrong but it cant show you because you bypassed its warning light?

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