ZX12-5807
Expert Class
Posts: 137
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posted July 06, 2012 11:18 PM
Timing Advance
Just wondering how much timing advance ZX12's like and how much would be to much? I primarily use my bike for drag racing and use a good high octane race fuel. I have been running at 4 degrees advanced. I am curious if it would benefit advancing the timing more.
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2001 ZX12 1287cc
2001 ZX12 1317cc Lee's head
  
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Hibs
Expert Class
Posts: 127
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posted July 06, 2012 11:23 PM
Well, if you primarily use it for drag racing, do some trial and error. Run the bike a few times, get a base line, then start bumping timing and see how it effects ET and MPH. If you start pinging or the bike slows down, back it off. That's going to be your absolute best bet.
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ZX12-5807
Expert Class
Posts: 137
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posted July 07, 2012 01:17 AM
Thanks for the advice Hibs, I was thinking the same thing. I know it will be different for each setup and I know you can run more timing with some of the better race fuels. I am still curious to see what the most timing advance people have run on there 12s.
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2001 ZX12 1287cc
2001 ZX12 1317cc Lee's head
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ZX12-5807
Expert Class
Posts: 137
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posted July 10, 2012 11:02 PM
Has anyone ran more than 6 degrees advance?
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2001 ZX12 1287cc
2001 ZX12 1317cc Lee's head
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smokeysevin
Novice Class
ZX12r-STX15f hybrid motor
Posts: 82
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posted September 04, 2012 06:38 AM
I am interested in looking at the timing curve for a 1427, I am using a zx12r based engine in my jetski with a stock zx12r timing map but I am using a 69.2 mm stroke and would like a place to start before I just start tossing more in.
Sean
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1498 cc
69.2mm stroke
83mm bore
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