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Have you verified this by pulling your codes after disconnecting it?

Nope, it does not.
I disconnected the the servo mechanically and electrically in preparation for installing full termis I had on order. Between the disco and termi arrival, I took the bike in to the dealer (GP in San Diego) for the first service. Within minutes of them having the bike, they came out and asked why I had it disconnected and that it was throwing a code.
 

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Discussion Starter #26
I disconnected the the servo mechanically and electrically in preparation for installing full termis I had on order. Between the disco and termi arrival, I took the bike in to the dealer (GP in San Diego) for the first service. Within minutes of them having the bike, they came out and asked why I had it disconnected and that it was throwing a code.


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I was thinking just mechanically. On my CBR I just disconnected the cable from the servo motor, it still thought it was actuating a valve and never threw a light. Unless there is some sort of position feed back I don't see why this wouldn't work.
 

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I was thinking just mechanically. On my CBR I just disconnected the cable from the servo motor, it still thought it was actuating a valve and never threw a light. Unless there is some sort of position feed back I don't see why this wouldn't work.
This would be the disconnection I was referring to. Didn't occur to me anyone would dig around and disconnect the motor. :confused:
 

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Discussion Starter #28
This would be the disconnection I was referring to. Didn't occur to me anyone would dig around and disconnect the motor. :confused:
There was mention of throwing a code due to disconnecting it and in ADATT's post he mentioned disconnecting it electrically. That is why I mentioned just disconnecting the cable and leaving it to think it is functioning.

I disconnected the the servo mechanically and electrically in preparation for installing full termis I had on order. Between the disco and termi arrival, I took the bike in to the dealer (GP in San Diego) for the first service. Within minutes of them having the bike, they came out and asked why I had it disconnected and that it was throwing a code.


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From what some say even disconnecting only the cable will show a fault code if dealer checks as when it does the self check on startup the servo ends up in the wrong spot
 

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curiosity got the better of me and I disconnected the cable that attaches to the exhaust flapper valve under that little protective cover,
This is on a monster 821.
The exhaust tone is quieter now
The bike is significantly smoother and is happy to cruise along at lower constant rev. before in sport mode trying to do a constant 4000 rpm in some gears it would start lurching as if not happy.
It no longer pops and farts on deceleration like it sometimes would
But
It is down on power through the lower rev range and seems slower to rev.?????

I should have taken a photo of the linkage cable on the flapper as I have no clue which way I took it off lol.
 

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Did this mod yesterday and love the result; was thinking it may be just a placebo however it's not. Feels much smoother down low and it's much easier to control constant throttle throughout all rev range(s). I removed the entire flapper motor, cable,'power feed. The only thing left is the flapper ass'y inside the pipe
Very pleased.


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How you reconnect the flap cable?
I cant get enough slack to get the end in the little hole and then get the wire over.. do I have to undo the nut?
I think the cable is no longer protruding as far as it did when I first disconnected the valve.
The bike has lost low end power and is running rich with it disconnected.
 

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How you reconnect the flap cable?
I cant get enough slack to get the end in the little hole and then get the wire over.. do I have to undo the nut?
I think the cable is no longer protruding as far as it did when I first disconnected the valve.
The bike has lost low end power and is running rich with it disconnected.
Pull hard on the cable. If the bike was started it pulls in a little. It should come out enough to get it back on.
 

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Hey Guys...

I got my full Termi exhaust in and my left over 2014 1200S should be here any day now. the full system does come with a "cap" plug that you use after you disconnect the flapper motor...

I'm just wondering where the plug for the servo runs to and what's the easiest way to access it?

Instructions say "Fit motor connector cover (21) on socket (O)
of the main wiring.
Close the electrical components
compartment following the indications
given in the chapter "Reassembling the
electrical components compartment".

I can't wait to start wrenching on this thing!

THANKS!
 

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Update on the fault showing up when valve is just unpluged.
I went yesterday to the dealer to replase my full of water instrument cluster with an empty one. I was watching him uploading the update and at the end of the procedure the valve fault came up (on his computer). I told him I had disconected the plug, he ask me if the bike was any better, I reply, end of story!
So it does show up! but I am hapy as long as it's not coming up on the instuments!!!
 

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Hey Guys...

I got my full Termi exhaust in and my left over 2014 1200S should be here any day now. the full system does come with a "cap" plug that you use after you disconnect the flapper motor...

I'm just wondering where the plug for the servo runs to and what's the easiest way to access it?

Instructions say "Fit motor connector cover (21) on socket (O)
of the main wiring.
Close the electrical components
compartment following the indications
given in the chapter "Reassembling the
electrical components compartment".

I can't wait to start wrenching on this thing!

THANKS!

It's underneath where the battery compartment is located. No need to lower the battery just make sure to insert a pin so the battery doesn't drop down; unscrew the 2 compartment bolts, lower the compartment and you'll see the connector for the flapper motor. Unplug it and connect your cap, reassemble.


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Hi everyone,
Has anybody considered that the exhaust valve may also be used for the purpose of exhaust brakes, similar to a diesel.
Those who have removed it or disabled it, presumably permanently open, have noticed any difference in engine braking.
Larry
 

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Flapper

I installed the termigoni race kit carbon fibre it that came with the ecu flash key, in Australia at least this ECU map did something that deactivated the flapper, I no longer see it move anymore the dealer confirmed that this is normal. Performance wise I'm not sure if it makes a difference however the mapping definately deactivates it though and leaves it in the "open" position, dealer confirmed this.
 

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I installed the termigoni race kit carbon fibre it that came with the ecu flash key, in Australia at least this ECU map did something that deactivated the flapper, I no longer see it move anymore the dealer confirmed that this is normal. Performance wise I'm not sure if it makes a difference however the mapping definately deactivates it though and leaves it in the "open" position, dealer confirmed this.
Since it's a "race" system, there is no need for using the flapper to restrict sound.
 
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