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    Throttle membranes

    Discover quality membranes for fuel and vacuum system parts designed to restore precise operation and reliability to your motorcycle. Our selection covers common fuel pump and carburetor applications, helping you fix performance issues caused by worn or cracked diaphragms.

    Choose from membranes made of resistant materials that withstand fuel, oil, and temperature changes, ensuring stable fuel delivery and vacuum control. Each part is selected for accurate fit and consistent performance in real riding conditions.

    Why choose membranes from starmoto.eu?

    • Reliable replacements for worn or damaged diaphragms
    • Compatible with a wide range of motorcycle fuel and vacuum systems
    • Helps improve starting, idling, and throttle response

    If you are unsure which membrane fits your bike, check your model specifications or contact support for help finding the right spare part.

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      carburetor main jet Polini for Mikuni - 85carburetor main jet Polini for Mikuni - 85
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      carburetor main jet Polini for Mikuni - 85
      Special Price €4.85 Regular Price €6.40 -24%
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      carburetor main jet Polini for Mikuni - 90carburetor main jet Polini for Mikuni - 90
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      carburetor main jet Polini for Mikuni - 90
      Special Price €4.85 Regular Price €6.40 -24%
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      carburetor main jet POLINI Mikuni - 95carburetor main jet POLINI Mikuni - 95
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      carburetor main jet POLINI Mikuni - 95
      Special Price €4.85 Regular Price €6.40 -24%
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      carburetor main jet POLINI for Mikuni 100carburetor main jet POLINI for Mikuni 100
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      carburetor main jet POLINI for Mikuni 100
      Special Price €4.85 Regular Price €6.40 -24%
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      carburetor main jet POLINI for Mikuni - 105carburetor main jet POLINI for Mikuni - 105
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      carburetor main jet POLINI for Mikuni - 105
      Special Price €4.75 Regular Price €6.70 -29%
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      carburetor main jet POLINI Mikuni - 110carburetor main jet POLINI Mikuni - 110
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      carburetor main jet POLINI Mikuni - 110
      Special Price €4.75 Regular Price €6.70 -29%
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      carburetor main jet POLINI for Mikuni - 115carburetor main jet POLINI for Mikuni - 115
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      carburetor main jet POLINI for Mikuni - 115
      Special Price €4.85 Regular Price €6.40 -24%
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      carburetor main jet POLINI for Mikuni - 120carburetor main jet POLINI for Mikuni - 120
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      carburetor main jet POLINI for Mikuni - 120
      Special Price €4.85 Regular Price €6.40 -24%
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      carburetor main jet POLINI for Mikuni - 125carburetor main jet POLINI for Mikuni - 125
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      carburetor main jet POLINI for Mikuni - 125
      Special Price €4.85 Regular Price €6.40 -24%
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      carburetor main jet POLINI Mikuni 130carburetor main jet POLINI Mikuni 130
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      carburetor main jet POLINI Mikuni 130
      Special Price €4.85 Regular Price €6.80 -29%
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      carburetor main jet POLINI for Mikuni - 140carburetor main jet POLINI for Mikuni - 140
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      carburetor main jet POLINI for Mikuni - 140
      Special Price €4.85 Regular Price €6.40 -24%
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      carburetor main jet POLINI for Mikuni - 145carburetor main jet POLINI for Mikuni - 145
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      carburetor main jet POLINI for Mikuni - 145
      Special Price €4.85 Regular Price €6.40 -24%
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      carburetor main jet POLINI for Mikuni 150carburetor main jet POLINI for Mikuni 150
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      carburetor main jet POLINI for Mikuni 150
      Special Price €4.85 Regular Price €6.40 -24%
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      carburetor main jet POLINI for Mikuni - 155carburetor main jet POLINI for Mikuni - 155
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      carburetor main jet POLINI for Mikuni - 155
      Special Price €4.85 Regular Price €6.40 -24%
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      carburetor main jet POLINI for Mikuni - 160carburetor main jet POLINI for Mikuni - 160
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      carburetor main jet POLINI for Mikuni - 160
      Special Price €4.50 Regular Price €6.40 -30%
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      main jet POLINI for Mikuni 165main jet POLINI for Mikuni 165
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      main jet POLINI for Mikuni 165
      Special Price €4.85 Regular Price €6.40 -24%
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      main jet POLINI for Mikuni – 170main jet POLINI for Mikuni – 170
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      main jet POLINI for Mikuni – 170
      Special Price €4.85 Regular Price €6.40 -24%
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      carburetor main jet POLINI for Mikuni - 175carburetor main jet POLINI for Mikuni - 175
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      carburetor main jet POLINI for Mikuni - 175
      Special Price €4.85 Regular Price €6.80 -29%
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      Carburetor main jet POLINI for Mikuni - 180Carburetor main jet POLINI for Mikuni - 180
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      Carburetor main jet POLINI for Mikuni - 180
      Special Price €4.85 Regular Price €6.40 -24%
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      carburetor main jet POLINI for Mikuni 190, size 80carburetor main jet POLINI for Mikuni 190, size 80
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      carburetor main jet POLINI for Mikuni 190, size 80
      Special Price €4.85 Regular Price €6.40 -24%
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      main jet POLINI 200main jet POLINI 200
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      main jet POLINI 200
      Special Price €4.75 Regular Price €6.70 -29%
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      Main jet POLINI Mikuni 210Main jet POLINI Mikuni 210
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      Main jet POLINI Mikuni 210
      Special Price €4.85 Regular Price €6.40 -24%
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      carburetor main jet POLINI Mikuni - 220carburetor main jet POLINI Mikuni - 220
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      carburetor main jet POLINI Mikuni - 220
      Special Price €4.85 Regular Price €6.40 -24%
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      carburetor main jet POLINI Mikuni - 240carburetor main jet POLINI Mikuni - 240
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      carburetor main jet POLINI Mikuni - 240
      Special Price €4.85 Regular Price €6.40 -24%
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      carburetor main jet POLINI for Mikuni – 250carburetor main jet POLINI for Mikuni – 250
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      carburetor main jet POLINI for Mikuni – 250
      Special Price €4.50 Regular Price €6.40 -30%
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      carburetor main jet POLINI for Mikuni - 260carburetor main jet POLINI for Mikuni - 260
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      carburetor main jet POLINI for Mikuni - 260
      Special Price €4.85 Regular Price €6.80 -29%
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      carburetor main jet POLINI for Mikuni - 270carburetor main jet POLINI for Mikuni - 270
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      carburetor main jet POLINI for Mikuni - 270
      Special Price €4.90 Regular Price €6.70 -27%
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      carburetor main jet POLINI for Mikuni - 280carburetor main jet POLINI for Mikuni - 280
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      carburetor main jet POLINI for Mikuni - 280
      Special Price €4.85 Regular Price €6.40 -24%
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      main jet POLINI for Mikuni 290main jet POLINI for Mikuni 290
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      main jet POLINI for Mikuni 290
      Special Price €4.85 Regular Price €6.40 -24%
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      main jet POLINI 300 for Mikuni carburetormain jet POLINI 300 for Mikuni carburetor
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      main jet POLINI 300 for Mikuni carburetor
      Special Price €4.85 Regular Price €6.40 -24%
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      carburetor main jet POLINI for Mikuni - 310carburetor main jet POLINI for Mikuni - 310
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      carburetor main jet POLINI for Mikuni - 310
      Special Price €4.85 Regular Price €6.40 -24%
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      main jet POLINI Mikuni 320main jet POLINI Mikuni 320
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      main jet POLINI Mikuni 320
      Special Price €4.75 Regular Price €6.70 -29%
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      Main jet POLINI Mikuni 330Main jet POLINI Mikuni 330
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      Main jet POLINI Mikuni 330
      Special Price €4.75 Regular Price €6.70 -29%
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      Main jet POLINI for Mikuni – 350Main jet POLINI for Mikuni – 350
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      Main jet POLINI for Mikuni – 350
      Special Price €4.75 Regular Price €6.70 -29%
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      carburetor main jet POLINI Mikuni - 360carburetor main jet POLINI Mikuni - 360
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      carburetor main jet POLINI Mikuni - 360
      Special Price €4.85 Regular Price €6.40 -24%
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      carburetor main jet POLINI for Mikuni - 370carburetor main jet POLINI for Mikuni - 370
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      carburetor main jet POLINI for Mikuni - 370
      Special Price €4.85 Regular Price €6.40 -24%
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