BobC
Pro
Posts: 1736
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posted September 03, 2012 11:36 PM
 Edited By: BobC on 4 Sep 2012 07:42
Dynojet O2 Optimiser
Just trying to get my head around which parts I need to order for my 2012 ZZR1400 (ZX-14R).
On a European bike do I need the Dynojet O2 Optimiser if I'm using a Brocks CT and PCV? I wasn't intending to go for Autotune, just an exhaust and the correct Brocks fuel map in the Power Commander.
Reading earlier posts it appears that the FI light will come on without an optimiser but it wasn't clear if this was just for Autotune applications and I couldn't find anything specifically about the 2012 bike. Does the O2 Optimiser plug into the loom in place of the OE lambda sensor or do I need a bung welded into the mid-pipe for it? Any information appreciated.
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Candy Thunder Blue 2006 ZZR1400
Stock wheelbase
Max: 205.4 mph in 1.25 miles
2012 ZZR1400 in Golden Blazed Green
Brock CT Full System. etc
Max: 203.1 in 1 mile (so far)
  
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cruiserman_83
Expert Class
Posts: 144
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posted September 04, 2012 03:56 AM
European spec models will need an optimiser with power commander. otherwise yhe ecu will override the pcvcorrections when in closed loop mode
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BobC
Pro
Posts: 1736
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posted September 04, 2012 06:37 AM
quote:
European spec models will need an optimiser with power commander. otherwise yhe ecu will override the pcvcorrections when in closed loop mode
Thanks for that cruiserman_83. Do you know if the European bike will run "normally" without showing any fault codes if I don't fit the optimiser?
____________
Candy Thunder Blue 2006 ZZR1400
Stock wheelbase
Max: 205.4 mph in 1.25 miles
2012 ZZR1400 in Golden Blazed Green
Brock CT Full System. etc
Max: 203.1 in 1 mile (so far)
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GREYHOUNDMOSES
Expert Class
Posts: 324
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posted September 04, 2012 08:13 AM
Bob I don't know of the setup with the 2012 but with my 2009 you need to fit the o2 sensor into the new pipe.
If you don't connect up the o2 sensor you will get an FI warning and in view of the other "glitches" with the electronics on the 2012, you may find the bike defaults to some "safe" fuel map, ie reduced power.
The optimiser works WITH the O2 sensor. It doesn't replace it. The ECU will still overide the map in the closed loop area (low revs/ low throttle openings) but the optimiser lowers the AFR in the closed loop area of the fuel map. When racing, the only time you'll be in the closed loop area is on the return road 
If any body is putting a Euro bike on the dyno, it would be interesting to see if disconnecting the O2 sensor throws the ECU into a reduced power map?
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cruiserman_83
Expert Class
Posts: 144
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posted September 05, 2012 01:17 AM
quote:
Bob I don't know of the setup with the 2012 but with my 2009 you need to fit the o2 sensor into the new pipe.
If you don't connect up the o2 sensor you will get an FI warning and in view of the other "glitches" with the electronics on the 2012, you may find the bike defaults to some "safe" fuel map, ie reduced power.
The optimiser works WITH the O2 sensor. It doesn't replace it. The ECU will still overide the map in the closed loop area (low revs/ low throttle openings) but the optimiser lowers the AFR in the closed loop area of the fuel map. When racing, the only time you'll be in the closed loop area is on the return road
If any body is putting a Euro bike on the dyno, it would be interesting to see if disconnecting the O2 sensor throws the ECU into a reduced power map?
think that covers it
i have run 11000km with my full system, no pcv without issues. installed factory sensor into midpipe and away i gp
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