Gears - Page 2 - Kawasaki Ninja H2 Forum
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post #11 of 142 Old 12-26-2016, 04:09 PM
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Hey Racer172 on the track, and the street, with your setup,
Is your bike always staying cool? Thanks
Yes, so far. I've been careful not to keep it up in the high RPMs for extended periods. Usually doesn't go above 200f. At one point on the track a couple weeks ago I was out there for 20+ min. pushing hard and it climbed to 220f so I took 1 cool-down lap and boost temp came down. 230-240f is the danger zone for meltdown. I will be installing the intercooler soon.

2016 Ninja H2 ľAkropovic Exhaust .. Stage III gears .. Velocity Stacks .. H2R Fuel Pump .. DynoJet PCV .. DNA race filter .. FlashTune .. DynoTuned .. BST wheels .. Yosh fender eliminator.. SBS brake pads .. Lightech gas cap
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post #12 of 142 Old 12-27-2016, 10:38 AM Thread Starter
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So, I noticed, bear racing do a stage 1 gear which is a small increase in boost and just changes the top gear. Might do this with the flash, filter and exhaust for this season and then go further, if necessary, this time next year. Any thoughts/experience with bear racing products?
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post #13 of 142 Old 12-27-2016, 10:59 AM
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So, I noticed, bear racing do a stage 1 gear which is a small increase in boost and just changes the top gear. Might do this with the flash, filter and exhaust for this season and then go further, if necessary, this time next year. Any thoughts/experience with bear racing products?
Not sure but be good to see results. I set the goal to beat my 153bhp at PCR racing dyno I know you up for the challenge.
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post #14 of 142 Old 12-27-2016, 11:27 AM
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So, I noticed, bear racing do a stage 1 gear which is a small increase in boost and just changes the top gear. Might do this with the flash, filter and exhaust for this season and then go further, if necessary, this time next year. Any thoughts/experience with bear racing products?
I have a full set of wings from Bear and his communication and customer service is top notch. I don't have any gears installed, but Bear Racing manufactured the RG62 gears so the experience should be consistent.
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post #15 of 142 Old 12-27-2016, 04:40 PM Thread Starter
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Nick, 153 will be easy to beat! The challenge has been accepted?
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post #16 of 142 Old 12-29-2016, 04:49 AM
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So, I noticed, bear racing do a stage 1 gear which is a small increase in boost and just changes the top gear. Might do this with the flash, filter and exhaust for this season and then go further, if necessary, this time next year. Any thoughts/experience with bear racing products?
I saw that also.... I'm thinking of doing the stage one also. I already have Dons flash and auto blipped down and my own AKR system with a ton of light weight mods including BST wheels. I'd love the stage two but I want it completely safe and don't want the added weight of the intercooler set up or the potential hassle of the lower gear bolt coming loose. Quite frankly she's more than enough now but what's a little more lol. I just picked up the new Ducati 1299S Anniversario so I'm splitting some time with her and will give me a chance to add the gear and have the map checked to be on the safe side.....
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post #17 of 142 Old 12-29-2016, 06:03 AM
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The information about rider weights is interesting. I'm around 14 stone, or 90 kilo, plus a bit when kitted up. My race leathers etc probably add another stone.

The H2 accelerates so strongly that rider weight has a lesser effect than on many other bikes. Look at it this way, if you can't get onto full throttle without it wheelying then rider weight is not a factor.

My H2 needs to be in fifth gear before I can get anywhere near wide open throttle, even then it needs care. Believe me, when doing a standing-mile top speed run and it's still trying to pick the front up at over 180 mph you have enough power.

By far the biggest limitation to a high top speed on the H2 is it's poor aerodynamics.

I have Don's flash 1 which is the early version and it still has the 13,000 rev limit. Since my bike's peak is at 12,000 it's geared accordingly. However, since I have already set the UK records for the Stock class I am considering the supercharger gears as a way to be competitive in the Modified Stock class - but I will probably need the later ecu flash and I assume it will need a lot more fuel. Does anyone know where the limit is with the standard fuel pump and injectors?

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post #18 of 142 Old 12-29-2016, 07:31 AM
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The information about rider weights is interesting. I'm around 14 stone, or 90 kilo, plus a bit when kitted up. My race leathers etc probably add another stone.

The H2 accelerates so strongly that rider weight has a lesser effect than on many other bikes. Look at it this way, if you can't get onto full throttle without it wheelying then rider weight is not a factor.

My H2 needs to be in fifth gear before I can get anywhere near wide open throttle, even then it needs care. Believe me, when doing a standing-mile top speed run and it's still trying to pick the front up at over 180 mph you have enough power.

By far the biggest limitation to a high top speed on the H2 is it's poor aerodynamics.

I have Don's flash 1 which is the early version and it still has the 13,000 rev limit. Since my bike's peak is at 12,000 it's geared accordingly. However, since I have already set the UK records for the Stock class I am considering the supercharger gears as a way to be competitive in the Modified Stock class - but I will probably need the later ecu flash and I assume it will need a lot more fuel. Does anyone know where the limit is with the standard fuel pump and injectors?
To answer your last question, I'm running the Stage II SC gears with only the lower injectors spraying more fuel with the PCV. I've had no issues with fuel starvation relating to fuel pump limitations. I used the dyno as my testing ground. I believe they say you should upgrade the fuel pump when you go stage III. I get 66-75 miles on a tank now with the Stage 2 depending on how hard I'm thrashing it. Definitely a guzzler for sure, but I've had no starvation issues.
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post #19 of 142 Old 12-29-2016, 07:44 AM Thread Starter
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How about heat? I spoke with Pierre at bear racing and he said it will be fine. What's your experience?
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post #20 of 142 Old 12-29-2016, 07:57 AM
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Originally Posted by Vmax+h2 View Post
How about heat? I spoke with Pierre at bear racing and he said it will be fine. What's your experience?


Heat is an issue for H2's in general.


Here are my thoughts/opinions on the Stage 1 and 2 in bullet point format:

  • Highway droning at a steady pace - Heat is not an issue
  • Track Day sessions of 15 minutes - Heat is not an issue
  • Drag Racing at the strip - Heat is not an issue
  • A Single Top Speed Run - Heat is not an issue
  • Moderate RPM Canyon runs - Heat is not an issue
  • Dyno Sessions. Bike needs to cool down periodically - Heat is an issue
  • Fast Highway runs at redline for 30+ miles - Heat is an issue
  • Hard riding in the dead of summer - Heat is an issue
This is just off the top of my head based on my personal experience. This list could obviously grow down the road.
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