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Old 05-07-2019, 05:58 AM   #16
gixxer5150
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Not to highjack the OP's post, but I have a question myself. My R6 is tuned for MR-12, after my last track day I ran it down to the fuel light and then filled it with 2-3 gallons of 91, then went out and ran it until the light came on again.

Think I should be good, or should I start sourcing parts as the bike has been sitting since March this year?
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Old 05-07-2019, 07:39 AM   #17
FourThreeSix
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We always syphoned the MR12 out after use and then ran pump with the pump map to flush out the remainder.

Obviously a lot of folks run it with good success (noticeable gains), but I wouldn't consider it THE solution when chasing lap times.
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Old 05-07-2019, 10:57 AM   #18
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Quote:
Originally Posted by gixxer5150 View Post
Not to highjack the OP's post, but I have a question myself. My R6 is tuned for MR-12, after my last track day I ran it down to the fuel light and then filled it with 2-3 gallons of 91, then went out and ran it until the light came on again.

Think I should be good, or should I start sourcing parts as the bike has been sitting since March this year?
You're probably fine.

I also siphon out as much as possible and then run for a bit, then add a gallon or two of 91 pump and let it run for a bit again.
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Old 05-07-2019, 04:34 PM   #19
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Quote:
Originally Posted by gixxer5150 View Post
Not to highjack the OP's post, but I have a question myself. My R6 is tuned for MR-12, after my last track day I ran it down to the fuel light and then filled it with 2-3 gallons of 91, then went out and ran it until the light came on again.

Think I should be good, or should I start sourcing parts as the bike has been sitting since March this year?
You're good

I do the same but running ERC (instead of VP) & switch over to my trackday/pump 100 map to cleanse everything out. Can't afford rocket fuel all the time!
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Old 05-10-2019, 09:07 AM   #20
gixxer5150
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You're good

I do the same but running ERC (instead of VP) & switch over to my trackday/pump 100 map to cleanse everything out. Can't afford rocket fuel all the time!
Yeah the stuff is stupid expensive. I have the PCV and map switch so I can re-tune for Pump (trackdays) and MR-12 for race weekends which is my plan, just havent had the time to get that part taken care of.

Thanks for the info fellas!
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Old 05-10-2019, 12:51 PM   #21
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Well i just found out new bike I got yesterday was supposed to be mapped for pump and MR-12 is actually only mapped for MR-12....1hr before leaving for the track.

Can the bike be rode with 100 octane? or do I need to have this bike remapped before i can ride it? or find some MR-12 on short notice....

How does one go about getting the bike remapped?
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Old 05-10-2019, 04:30 PM   #22
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Well i just found out new bike I got yesterday was supposed to be mapped for pump and MR-12 is actually only mapped for MR-12....1hr before leaving for the track.

Can the bike be rode with 100 octane? or do I need to have this bike remapped before i can ride it? or find some MR-12 on short notice....

How does one go about getting the bike remapped?
If it's mapped for a certain fuel I would stick to said fuel to be on the safe side.

If your bike is mapped for MR12 via a piggy back (Power Commander or Bazzaz etc...) I would purchase a map switch (if you already don't have one), bring the second fuel you would like to run to a reputable tuner and have em go at it. (Id recommend RCR but he no longer builds/tunes, however Raul at Factory Pro does great work as well).

I know some Kit stuff allows you to toggle between 2 different maps as well. Some more info on your bike would help.
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Old 05-10-2019, 07:34 PM   #23
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If it's mapped for a certain fuel I would stick to said fuel to be on the safe side.

If your bike is mapped for MR12 via a piggy back (Power Commander or Bazzaz etc...) I would purchase a map switch (if you already don't have one), bring the second fuel you would like to run to a reputable tuner and have em go at it. (Id recommend RCR but he no longer builds/tunes, however Raul at Factory Pro does great work as well).

I know some Kit stuff allows you to toggle between 2 different maps as well. Some more info on your bike would help.
2017 ZX10RR full kit KRT engine and KRT race ECU.

They got back to me and said they where running MR-12 race and C-12 mix with pump for practice. That I can run 100 octane and be ok till I send ECU back for pump map.

A fiasco to say the least but I was able to pick up 20 gallons of MR-12. If she says I can run 100 than I'll probably mix the MR-12 and 100 for tomorrow and a couple more weekends this month then send ECU back so long as it can be double mapped. If not I'll need to figure out something to get two maps.

MR-12 is way to expensive.....

Unless C-12 is needed to mix pump and MR-12? At the moment I have no clue what C-12 is....
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Old 05-10-2019, 09:49 PM   #24
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Lots of that stuff doesn’t make sense.

Running C12 with an MR12 map sounds like a bad idea
Tuning just the ECU without the whole bike seems like a bad idea
Focusing on octane instead of O2 content seems like a bad idea
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Old 05-10-2019, 10:04 PM   #25
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Lots of that stuff doesnít make sense.

Running C12 with an MR12 map sounds like a bad idea
Tuning just the ECU without the whole bike seems like a bad idea
Focusing on octane instead of O2 content seems like a bad idea
I agree.

I don't know how comparable MR12, C12, C12/Pump is but something doesn't seem right.

I don't know how much I would rely on sending out my ECU for it to get properly mapped. If you're spending the big bucks for rocket juice, I HIGHLY recommend you get the bike on a proper dyno.
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Old 05-11-2019, 01:13 AM   #26
jaybocc2
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You have to look at your tune dude.

If the tune is just enrichment and the motor is stock, you can run pump gas without issues you just won't make the 215hp claimed on mr12.

My bike is tuned for u4.4 but it is just an enrichment tune and I usually only run pump safely no problems, it could be considered a little rich is all.

From what i understand MR12 and U4.4 enrichment tunes are virtually the same.

Again this isn't shit that can be guessed at by random internet dweebs. You need to take the time to figure out what you got and what you need.
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Old 05-11-2019, 04:58 AM   #27
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You have to look at your tune dude.

If the tune is just enrichment and the motor is stock, you can run pump gas without issues you just won't make the 215hp claimed on mr12.

My bike is tuned for u4.4 but it is just an enrichment tune and I usually only run pump safely no problems, it could be considered a little rich is all.

From what i understand MR12 and U4.4 enrichment tunes are virtually the same.

Again this isn't shit that can be guessed at by random internet dweebs. You need to take the time to figure out what you got and what you need.
Anybody in northern CA that is recommended for tuning?
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Old 05-11-2019, 05:01 AM   #28
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Originally Posted by stangmx13 View Post
Lots of that stuff doesnít make sense.

Running C12 with an MR12 map sounds like a bad idea
Tuning just the ECU without the whole bike seems like a bad idea
Focusing on octane instead of O2 content seems like a bad idea
So far this whole deal has been all kinds of questionable....Thanks for feedback
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Old 05-11-2019, 07:19 AM   #29
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Anybody in northern CA that is recommended for tuning?
Not all tuners are created equal. I personally have had work done by RCR & Factory Pro, both great builders/tuners in my book.
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Old 05-11-2019, 10:53 AM   #30
jacob11379
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Not all tuners are created equal. I personally have had work done by RCR & Factory Pro, both great builders/tuners in my book.
I 100% get that. Same quote I tell customers about contractors....

I Google these guys when I get some time....Thanks
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