guywithfz10
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Registered: Sept 1, 2016 17:49:46 GMT -7
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Post by guywithfz10 on Apr 1, 2018 10:38:12 GMT -7
I'm planning on selling my de-cat setup and going back to stock exhaust so I can install my rearsets but I'm too lazy to re-install my servo motor and hook up the cables again.
Has anyone tried wiring the EXUP valve open? My friend has a RSV4 and I know those bikes eventually throw a code when you wire the baffle open for a long time so I wanted to know if it also happened on the FZ-10.
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decepticonfz10
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Waiting for Winter to end is killing me, new Rubber+0 Snow ASAP!!
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Registered: Jun 30, 2017 3:48:26 GMT -7
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Post by decepticonfz10 on Apr 1, 2018 10:48:47 GMT -7
I'm planning on selling my de-cat setup and going back to stock exhaust so I can install my rearsets but I'm too lazy to re-install my servo motor and hook up the cables again. Has anyone tried wiring the EXUP valve open? My friend has a RSV4 and I know those bikes eventually throw a code when you wire the baffle open for a long time so I wanted to know if it also happened on the FZ-10. I got a servo buddy by Graves. You can lock the butterfly ExUp open and shouldn't have an issue. This is what I did prior to Decat |
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guywithfz10
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Posts: 218
Likes: 160
Registered: Sept 1, 2016 17:49:46 GMT -7
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Post by guywithfz10 on Apr 1, 2018 13:35:48 GMT -7
I'm planning on selling my de-cat setup and going back to stock exhaust so I can install my rearsets but I'm too lazy to re-install my servo motor and hook up the cables again. Has anyone tried wiring the EXUP valve open? My friend has a RSV4 and I know those bikes eventually throw a code when you wire the baffle open for a long time so I wanted to know if it also happened on the FZ-10. I got a servo buddy by Graves. You can lock the butterfly ExUp open and shouldn't have an issue. This is what I did prior to Decat Awesome. Thanks for the info. |
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Post by RedAndBlack on Apr 2, 2018 11:35:18 GMT -7
I haven't messed with it since I got mine so I'm not sure, but I thought the valves were spring loaded to remain in the open position in case of failure?
You might not need to do anything.
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decepticonfz10
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Waiting for Winter to end is killing me, new Rubber+0 Snow ASAP!!
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Post by decepticonfz10 on Apr 4, 2018 11:00:11 GMT -7
I haven't messed with it since I got mine so I'm not sure, but I thought the valves were spring loaded to remain in the open position in case of failure? You might not need to do anything. Indeed they are spring loaded to be in full open position in case of servo failure or other electrical malfunct. I just "Budget locked" it to have extra precaution, using mechanics wire or hardened flexible single filament wire. |
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cheddle
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Registered: Apr 7, 2018 19:53:23 GMT -7
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Post by cheddle on Apr 7, 2018 19:57:48 GMT -7
Not quite right... my aussie delivered MT10SP in fact has the valve wired CLOSED in case of a failure.
I have 'bypassed the exhaust valve by:
disconnecting the cables at the servo motor
disconnecting the cables at the exhaust valve
dissembling the flapper valve and reversing the spring and assembly to hold the valve open - note that its roughly 90% open in this configuration.
The servo motor is still connecting so NO error codes have been generated.
It is difficult to tell if there is any change in power at all however I can confirm by manually actuating the valve while the bike idles that there is GREAT IMPROVMENT in the sound department :-)
I actually don't even feel the need to put a pipe on it at this stage.
An alternative method would be to drill out the screws securing the exhaust valve and remove the flap entirely
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decepticonfz10
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Waiting for Winter to end is killing me, new Rubber+0 Snow ASAP!!
Posts: 45
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Registered: Jun 30, 2017 3:48:26 GMT -7
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Post by decepticonfz10 on Apr 9, 2018 5:02:10 GMT -7
Not quite right... my aussie delivered MT10SP in fact has the valve wired CLOSED in case of a failure. I have 'bypassed the exhaust valve by: disconnecting the cables at the servo motor disconnecting the cables at the exhaust valve dissembling the flapper valve and reversing the spring and assembly to hold the valve open - note that its roughly 90% open in this configuration. The servo motor is still connecting so NO error codes have been generated. It is difficult to tell if there is any change in power at all however I can confirm by manually actuating the valve while the bike idles that there is GREAT IMPROVMENT in the sound department :-) I actually don't even feel the need to put a pipe on it at this stage. An alternative method would be to drill out the screws securing the exhaust valve and remove the flap entirely The cat/butterfly valve and servo is heavy. A decat pipe is the cheap and easy solution. $90. Bike is 24lbs lighter without stock cat. But the servo can be left plugged in or removed. And a servo buddy can be installed. $60. All US currency. Also you are correct about the valve being closed in the state of malfunction. Sorry for misinformation. |
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guywithfz10
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Post by guywithfz10 on Apr 9, 2018 16:19:39 GMT -7
I wonder if theres an easy way to take the valve out completely? I was having a look at the assembly and haven't really decided yet how I am going to keep the valve open.
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eyeofmaat
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Post by eyeofmaat on Apr 10, 2018 21:37:09 GMT -7
I was doing this the other week. It looked like there was 2 possible methods.
the method I chose to do was:
1. Remove muffler so you can see the valve inside
2. disassemble valve from top and remove string. reassemble
3. Remove both cables from motor under seat
4. pull on respective cable until valve is fully open.
5. put a cable tie on the cable to hold it in the open state. fold the cable back under the seat
6. reinstall muffler
this would allow you to return it to stock if you somehow needed too. (reinstall spring and reconnect to motor)
Since you don't want to re-install cables, the following might be more suitable for you.
Whilst i was fiddling with this, i did notice a screw on the shaft inside the pipe. If you rotate the valve 180 degrees you would see it.
it appeared that you might be able to remove the screw and the flaps would come off the shaft. without the flaps, it wouldn't matter which position the valve was in, as there would be nothing to block the flow of gasses.
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mt10mike
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Post by mt10mike on Oct 23, 2018 8:32:08 GMT -7
But has anyone ran this for awhile to find out of any issues like check engine light or reduced power? Or taken this set up the the dyno to see if it effects anyway all?
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revolvingrain
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Registered: Nov 15, 2017 12:14:29 GMT -7
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Post by revolvingrain on Oct 23, 2018 18:10:17 GMT -7
I used a bit of JB weld, works great and if you take your time you can make it look nice like it came like that.
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