T120 Running Ruff

Discussion in 'Technical Help' started by Kktulsa, Jun 2, 2024.

  1. Kktulsa

    Kktulsa New Member

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    Bike is a 2023 t120 black. The bike pulls real smooth thru 1-4th gear. Put pulls real ruff when accelerating thru 5th and 6th gear. Smooths out when you level throttle out. Is this normal?
     
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  2. Wishbone

    Wishbone First Class Member

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    Nope, what do you mean by ruff, holding back, kangarooing? bit more info would help, speeds revrange etc
     
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  3. Kktulsa

    Kktulsa New Member

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    Just not smooth. Maybe feels like cutting out. I am thinking maybe lean. I have had Harley’s do it and then a new tune cured it. Do they have a tune that they do with the 600 mile service? I did the service myself. 5th gear 50-60. 6 th gear 60-70. Maybe I am lugging it. Not sure what range this motor enjoys
     
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    Last edited: Jun 3, 2024
  4. triumph900

    triumph900 Active Member

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    What rpm range when going to 5th/6th?
     
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  5. triumph900

    triumph900 Active Member

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    4th gear at 55 mph is ~3000 rpm on my T120, so 5th gear @ 50mph is a bit too soon. You might be feeling the result of a bit of lugging. I can ride all day on secondary roads and never use 6th gear. Experiment with shift points see how it goes.
     
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  6. Wishbone

    Wishbone First Class Member

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    I got a tune from the States for my T120 search DNK tuneworks, it works great but if yours is new maybe best to speak to a dealer?
    I can run my T120 from 2500 upwrds in sixth
     
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  7. Kktulsa

    Kktulsa New Member

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    Thank you all. When it quits raining out here. I will check it better. I think maybe need to be a little higher rpm’s when shifting. I got bad habits with the Harley’s of their low rpm.
     
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