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Gasgas Jtx 270 Carb Jetting

gasgasjtx270
in Gas Gas

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can someone please tell me what main jet my 1997 gasgas jtx 270 should have please because i believe it is running rich?  thank you

  • Quote

    The JTX270 came with a 122 main jet as standard. These were always too rich. We used to run these with a 118 and some with a 115, try both. Standard needle was a D36, tend to be a bit lean at low revs, a D34 works very well.

    Bye, PeterB.

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