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Old 11-02-2010, 03:31 AM   #1 (permalink)
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Thumbs up Ninja 250 Dyno sheet - HP before/after snorkel removal!

I had my 2008 Ninja 250R dynoed, keep in mind it was bone stock. We did a run (in black) first, then another with the snorkel removed (blue), the red run is with the TYGA full system.

As you can see at peak it gained 1.5HP! It smoothed out the power, and while it doesn't show it, the stock A/F was really rich from the factory. The snorkel evened out the A/F although it was still rich.

A more detailed report on the dyno run is here: RacingOrder.com Washington Based Motorcycle Racing TYGA Ninja 250R Race Exhaust System Dyno Results
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Ninja 250 Dyno sheet - HP before/after snorkel removal!-ninja-250r-tyga-exhaust-dyno-results-vs-stock.jpg  
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Old 11-04-2010, 01:51 AM   #2 (permalink)
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Holy crap. that's quite a bit. I didn't think that you'd be able to get that kinda of power gains from a 250.
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Old 11-04-2010, 02:46 AM   #3 (permalink)
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wow 4rwhp from desnorkle and full system...nice. What's the drivetrain loss on these
26rwhp * ~22 = 32 factory hp rating
32.4 * ~22 = 38 hp?

is that right, sounds really high
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Old 11-04-2010, 12:13 PM   #4 (permalink)
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I do not think it is all that much. 10%? 28 would be 25.2?
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Old 11-04-2010, 12:21 PM   #5 (permalink)
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no torque or afr reading?
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Old 11-04-2010, 01:28 PM   #6 (permalink)
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Also... were these done back-to-back on the same day? or were they different days, etc
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Old 11-04-2010, 01:41 PM   #7 (permalink)
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True true that is a good question... if they where different days that would make a big difference... nice catch
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Old 11-04-2010, 01:46 PM   #8 (permalink)
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Also... were these done back-to-back on the same day? or were they different days, etc
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True true that is a good question... if they where different days that would make a big difference... nice catch
All 3 runs were done the same day, back-to-back.
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Old 11-04-2010, 01:51 PM   #9 (permalink)
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All 3 runs were done the same day, back-to-back.
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Old 11-04-2010, 01:51 PM   #10 (permalink)
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no torque or afr reading?
I was going to add that in since people were asking, the torque was progressively better and it was lean @ low RPMs and really rich up top. It evened out after I put the TYGA full system on, but I'll still be jetting my bike and doing another run to see what the final numbers look like.
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