Author Topic: ZH2 TOP SPEED (after flash tune)  (Read 1790 times)

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Offline ZEEEE_H2

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ZH2 TOP SPEED (after flash tune)
on: October 23, 2021, 11:09:39 PM
So the fastest indicated speed on my mostly stock ZH2 is 188 MPH, with a phone GPS speed app saying 173 MPH. This is at roughly 7300ft of elevation, 63F, with a baro pressure of 29.88. For those at or near sea level, what's is your new record now that the bike is flashed?


#1

Offline nelsonRzh2

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Re: ZH2 TOP SPEED (after flash tune)
Reply #1 on: October 25, 2021, 07:34:01 PM
Awesome!! :763: :762:

#2

Offline ZEEEE_H2

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Re: ZH2 TOP SPEED (after flash tune)
Reply #2 on: October 26, 2021, 05:42:06 AM
*Originally Posted by nelsonRzh2 [+]
Awesome!! :763: :762:

Is that sarcasm? lol

#3

Offline nelsonRzh2

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Re: ZH2 TOP SPEED (after flash tune)
Reply #3 on: October 26, 2021, 07:08:56 AM
You’re the first one to check speed!  I wasn’t sure what it maxed out at!  :763:

#4

Offline Zninjaduc

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Re: ZH2 TOP SPEED (after flash tune)
Reply #4 on: October 26, 2021, 06:37:12 PM
Haven't  had it flashed yet but pretty sure I have the record. Lowest max speed 125 mph

#5

Offline JD

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Re: ZH2 TOP SPEED (after flash tune)
Reply #5 on: October 28, 2021, 03:08:47 PM
the fact that the speedo is so wrong pisses me off. They do it on purpose for some reason and need a swift punch in the nuts. If there is a mod to adjust the speedo to read CORRECTLY I'm in.
Life is short.. better ride fast

#6

Offline TSloper

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Re: ZH2 TOP SPEED (after flash tune)
Reply #6 on: October 28, 2021, 03:27:07 PM
You’ll only ever be accurate at the tire diameter they calibrated against. As your tires wear error will continue to be introduced. The diameter will decrease and the reported speed will be higher than actual.

#7

Offline nelsonRzh2

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Re: ZH2 TOP SPEED (after flash tune)
Reply #7 on: October 28, 2021, 04:01:04 PM
Hi, Speedohealer by Healtech is awesome and super easy to put on and calibrate. I have used it 4 times every time I change sprockets and Add teeth or just stock. If I change my gearing I will by the Speedohealer. 

https://www.healtech-electronics.com/products/sh/

#8

Offline JD

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Re: ZH2 TOP SPEED (after flash tune)
Reply #8 on: October 29, 2021, 02:16:46 AM
*Originally Posted by TSloper [+]
You’ll only ever be accurate at the tire diameter they calibrated against. As your tires wear error will continue to be introduced. The diameter will decrease and the reported speed will be higher than actual.
I dont get it. I havent changed the tire diameter other than normal wear. Thanks for the healer link, ill probably get but seems a shame I gotta add $100 to the bike cost to make the speedo read accurately
Life is short.. better ride fast

#9

Offline nelsonRzh2

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Re: ZH2 TOP SPEED (after flash tune)
Reply #9 on: October 29, 2021, 03:59:07 AM
You’re very welcome!! Very true it should be dialed in from factory!!👍😊