Meanwhile...the odometer, trip meter, etc. are (most likely) pretty accurate because they don't have the same error programmed into them.
Ninja H2 SX Top Speed
- Champ87
- Supercharged!
- Posts: 949
- Joined: Mon Apr 09, 2018 1:43 am
- Location: NW Indiana US
- Bike(s): Current bikes: 2018 H2 SX SE, '73 Yamaha RD350, '74 Kawasaki H1E
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Re: Ninja H2 SX Top Speed
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Champ87
It's amazing how fast you can go when you take your time.
Re: Ninja H2 SX Top Speed
I can understand the speedometer being optimistic
if the speedometers were dead nuts on and someone changes tires to a taller profile then the speedometer would be pessimistic and if someone got a ticket for speeding while their speedometer said they were below the limit...sounds like a lawyers wet dream
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- THOR
- Low Boost
- Posts: 179
- Joined: Mon Jul 23, 2018 12:31 pm
- Location: London
- Bike(s): Kawasaki H2 SX SE
Re: Ninja H2 SX Top Speed
GPS results for the Kawasaki's OEM none touched.
H2 - 231 ps 298.97 km/h weight 238kg
H2 SX - 200 ps 294.24 km/h weight 260kg
ZZR1400 - 200 ps 298.73 km/h wieght 269kg
H2 - 231 ps 298.97 km/h weight 238kg
H2 SX - 200 ps 294.24 km/h weight 260kg
ZZR1400 - 200 ps 298.73 km/h wieght 269kg
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Re: Ninja H2 SX Top Speed
Have you taken advantage of the long straight (closed course) roads in your area and gotten a GPS speed of your bike de-restricted yet?vcyclenut wrote: ↑Mon Jul 30, 2018 4:44 pmI can understand the speedometer being optimistic
if the speedometers were dead nuts on and someone changes tires to a taller profile then the speedometer would be pessimistic and if someone got a ticket for speeding while their speedometer said they were below the limit...sounds like a lawyers wet dream
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Stock with airfilter 164whp 84ft.lbs
De-restricted + tuned 213whp 97ft.lbs
Full vandemon exhaust with tune 221whp 99ft.lbs
On Race Fuel 233whp 103ft.lbs
Re: Ninja H2 SX Top Speed
no, it will run out of gear before power , I will once I get the new sprockets
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Re: Ninja H2 SX Top Speed
If the information in gearing commander it's correct the stock redline should get the bike to 192mph (theoretical) once it's de-restricted. A 13,000 rpm redline should get the bike to 200mph (theoretical). Is something wrong in the gearing commander inputs I used?
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Stock with airfilter 164whp 84ft.lbs
De-restricted + tuned 213whp 97ft.lbs
Full vandemon exhaust with tune 221whp 99ft.lbs
On Race Fuel 233whp 103ft.lbs
- Champ87
- Supercharged!
- Posts: 949
- Joined: Mon Apr 09, 2018 1:43 am
- Location: NW Indiana US
- Bike(s): Current bikes: 2018 H2 SX SE, '73 Yamaha RD350, '74 Kawasaki H1E
- x 83
- x 198
Re: Ninja H2 SX Top Speed
Those numbers seem correct. The H2 SX Gearing Calculator spreadsheet linked elsewhere on this site gives the same numbers. I recall that during break-in 6,000 rpm gave around 93 mph. That corresponds with the spreadsheet.
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Champ87
It's amazing how fast you can go when you take your time.
Re: Ninja H2 SX Top Speed
its correct, I am just not comfortable with the current weather doing a long top end run over 12k, could just me being paranoid but the boost temps go up so fast on boost, I just don't think it would be good for it to do an extended run with the load , boost and rpm's that high.
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Re: Ninja H2 SX Top Speed
The numbers that Thor posted show it topping out just shy of 183mph stock. Do you guys think that's a power/ drag issue or a limiter?
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Stock with airfilter 164whp 84ft.lbs
De-restricted + tuned 213whp 97ft.lbs
Full vandemon exhaust with tune 221whp 99ft.lbs
On Race Fuel 233whp 103ft.lbs
- Champ87
- Supercharged!
- Posts: 949
- Joined: Mon Apr 09, 2018 1:43 am
- Location: NW Indiana US
- Bike(s): Current bikes: 2018 H2 SX SE, '73 Yamaha RD350, '74 Kawasaki H1E
- x 83
- x 198
Re: Ninja H2 SX Top Speed
I would guess that's the limiter. A while back DeRox posted up a video of his H2 SX running an indicated 299 kmh (186 mph) on the Autobahn. His video also has GPS speed that confirms the speed does not increase when the limit is reached - even though it's not quite at the redline.
Interestingly, the GPS speed only shows 284 kmh when the speedo is at 299. That's about 5% error and a significantly lower speed than the 183 mph (295 kmh) listed in Thor's post.
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Champ87
It's amazing how fast you can go when you take your time.
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