H2 to ZX12
Needs a job
two stroke power
Posts: 3674
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posted June 15, 2008 05:31 PM
Regular Gas? High test? Ethenol?
I've read in here that several of you run regular gas in your 12R. The first time I did it, the engine ping/knocked pulling away from a traffic light. I immediately topped off my tank with premium and drove easy till I used up that tank.
I was having a conversation with my local gas station owner, who is a mechanic.
He felt that ethenol was harmful to engines, reduced gas mileage, and hurt performance. It made me wonder if the regular gas that I tried in my 12R had ethenol in it.
comments? thought? Regular? Premium? Premium is $4.20 here now
   
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psycho1122
Pro
Posts: 1608
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posted June 16, 2008 06:00 AM
Another reason to have your 12R mapped.
I have mine mapped with 91 pump in the tank. Weather it's oxygenated or not, I will get the correct A/F out the pipe.
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You say PSYCHO like it's a BAD thing!!
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2000redrocket
Pro
Posts: 1662
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posted June 16, 2008 12:14 PM
i used 89 in my bike like some did with no issues. now i have a advancer on now so i use high test now. before it worked ok on 89. just be carefull.
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2000redrocket
Pro
Posts: 1662
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posted June 16, 2008 03:00 PM
if you canset your bike up for E85 i think it is rated at 105 octane i think.
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tshultz
Zone Head
Posts: 556
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posted June 16, 2008 03:36 PM
I have put 87 in my bike when it was empty for drag racing no knocking or pinging.
But for street riding I always used 90.
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KZScott
Needs a life
high on speed
Posts: 7235
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posted June 16, 2008 06:12 PM
took dads bike for the first test run tonight. 87 octane and advanced 3 degrees.i have been told 4 degrees is ok on 87....
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01 ZX-12R 8.84 @ 156.3 no bars, DOT tires. Pump Gas, NA.... turbo 8.47 @ 164.
00 ZX-12R 8.62 @ 165.2 no bars, slicks, Pump Gas, 55 shot.... turbo 8.32 @173
00 ZX-12R Fastest NA Kawasaki in the world 1: 222.046 1.5: 226.390 Loring AFB
00 ZX-12R street turbo 1: 227.9 1.5: 234.1 Loring AFB
00 ZX-12R LSR turbo 1: 263.1 1.5: 266.5 Loring AFB Worlds fastest ZX-12R
CMG Racing RCC Turbos
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dougmeyer
Needs a job
moderated
Posts: 2713
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posted June 16, 2008 09:45 PM
When you cut back on the octane you are removeing safety factor. What works at night might scuff a piston on a hot afternoon. On a stock bike it's probably OK, but on anything with advanced timing or more compression or sustained high speed in high outside air temps I wouldn't do it. Just not worth the chance.
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It's not that I think you're dumb, it's just that so much of what you know isn't true....
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H2 to ZX12
Needs a job
two stroke power
Posts: 3674
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posted June 17, 2008 03:07 AM
thanks all, the only mods to my bike are an arata pipe and a pc3 with a map for the arata.
It runs fairly rich. The temp outside, when it pinged was in the high 80's - low 90's.
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KZScott
Needs a life
high on speed
Posts: 7235
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posted June 17, 2008 02:25 PM
im in canada... might have something to do with it
dads bike is stock internals besides the head clean up and muzzy dummy shaft
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01 ZX-12R 8.84 @ 156.3 no bars, DOT tires. Pump Gas, NA.... turbo 8.47 @ 164.
00 ZX-12R 8.62 @ 165.2 no bars, slicks, Pump Gas, 55 shot.... turbo 8.32 @173
00 ZX-12R Fastest NA Kawasaki in the world 1: 222.046 1.5: 226.390 Loring AFB
00 ZX-12R street turbo 1: 227.9 1.5: 234.1 Loring AFB
00 ZX-12R LSR turbo 1: 263.1 1.5: 266.5 Loring AFB Worlds fastest ZX-12R
CMG Racing RCC Turbos
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