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Author Topic: 2015 TZX 190 Tach reads 7000 plus rpm  (Read 3647 times)

7TCU

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2015 TZX 190 Tach reads 7000 plus rpm
« on: March 11, 2015, 10:20:02 PM »

I have had trouble with my tach it reads way to high. The dealer adjusted it then replaced it it has not improved any ideas what needs to be done. I hate going in for service.
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7TCU

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Re: 2015 TZX 190 Tach reads 7000 plus rpm
« Reply #1 on: March 12, 2015, 06:45:18 PM »

Looks like the dealer wants to put one more tachometer in I hope the second replacement fixes the problem
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BassmanRudy

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Re: 2015 TZX 190 Tach reads 7000 plus rpm
« Reply #2 on: March 12, 2015, 08:54:58 PM »

My 2009 has done that several times. Then next time it works fine. I have no idea what causes it but kinda scary when you are used to seeing 5600 and then next time 6600!!
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ʇuǝɹq

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Re: 2015 TZX 190 Tach reads 7000 plus rpm
« Reply #3 on: March 12, 2015, 09:05:42 PM »

Mine will do that, and I just tap on the guage and it fixes itself.

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Re: 2015 TZX 190 Tach reads 7000 plus rpm
« Reply #4 on: March 12, 2015, 09:19:35 PM »

I have the same problem as BassmanRudy.  At first scared me too!  Now I just ignore it as I know what my engine should sound like at a given rpm, in about 500rpm increments.
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Mike Cork

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Re: 2015 TZX 190 Tach reads 7000 plus rpm
« Reply #5 on: March 13, 2015, 07:12:35 AM »

Not sure what model you have but if the second tach doesn't fix it, be sure they check input. I would assume they already did that.

By chance to you have a volt meter on the instrument panel? Are you having charging problems? On older model engines, tach issue can be a sign of stator problems.
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7TCU

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Re: 2015 TZX 190 Tach reads 7000 plus rpm
« Reply #6 on: March 13, 2015, 10:22:42 PM »

It's a 2015 the tach is steady it just reads way high
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Mike Cork

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Re: 2015 TZX 190 Tach reads 7000 plus rpm
« Reply #7 on: March 14, 2015, 08:00:06 AM »

Only two things it can be, the input from the motor or the tach. On a 2015, the computer should tell them exactly with it is.
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Pferox

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Re: 2015 TZX 190 Tach reads 7000 plus rpm
« Reply #8 on: March 14, 2015, 08:45:56 AM »

You sure the motor itself isn't running high?  Just a thought.
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7TCU

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Re: 2015 TZX 190 Tach reads 7000 plus rpm
« Reply #9 on: March 14, 2015, 09:08:52 AM »

You sure the motor itself isn't running high?  Just a thought.

The last time I had it at the shop they said I had not been over 5700 RPM. Since then it has bumped the Rev limiter once or twice.
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jhollis01

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Re: 2015 TZX 190 Tach reads 7000 plus rpm
« Reply #10 on: August 13, 2015, 07:38:07 PM »

I just saw this post and I have the same exact problem. I have a tzx 190 that is a little over a year old and the tach will read around 6800 at WOT. I've had it back at the dealer a few times they adjusted the original twice then replaced it and its still reading high. TCU, did u ever figure anything out?
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7TCU

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Re: 2015 TZX 190 Tach reads 7000 plus rpm
« Reply #11 on: September 30, 2015, 09:32:09 PM »

I just saw this post and I have the same exact problem. I have a tzx 190 that is a little over a year old and the tach will read around 6800 at WOT. I've had it back at the dealer a few times they adjusted the original twice then replaced it and its still reading high. TCU, did u ever figure anything out?

The problem was under the engine cowling was about all I could get out of them
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