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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.

    View as Grid List

    Items 181-216 of 1401

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      • Sale
      • 4-9 business days
      Main jet POLINI 88, 0.88mm for Keihin PWK and Polini CP carburetorsMain jet POLINI 88, 0.88mm for Keihin PWK and Polini CP carburetors
      • Sale
      • 4-9 business days
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      Main jet POLINI 88, 0.88mm for Keihin PWK and Polini CP carburetors
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 4-9 business days
      Main jet POLINI 89 0.89mm boreMain jet POLINI 89 0.89mm bore
      • Sale
      • 4-9 business days
      Add to Wish List Add to Compare
      Main jet POLINI 89 0.89mm bore
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 1-2 business days
      • In the Tallinn store
      Main jet POLINI 90 0.90mm boreMain jet POLINI 90 0.90mm bore
      • Sale
      • 1-2 business days
      • In the Tallinn store
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      Main jet POLINI 90 0.90mm bore
      Special Price €4.60 Regular Price €5.90 -22%
      • Sale
      • 4-9 business days
      carburetor main jet POLINI 91, 0.91mm borecarburetor main jet POLINI 91, 0.91mm bore
      • Sale
      • 4-9 business days
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      carburetor main jet POLINI 91, 0.91mm bore
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 4-9 business days
      main jet POLINI 93, 0.93mm bore for Keihin PWK and Polini CP carburetorsmain jet POLINI 93, 0.93mm bore for Keihin PWK and Polini CP carburetors
      • Sale
      • 4-9 business days
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      main jet POLINI 93, 0.93mm bore for Keihin PWK and Polini CP carburetors
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 4-9 business days
      main jet POLINI 94 0.94mm boremain jet POLINI 94 0.94mm bore
      • Sale
      • 4-9 business days
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      main jet POLINI 94 0.94mm bore
      Special Price €4.15 Regular Price €5.90 -30%
      • Sale
      • 4-9 business days
      carburetor main jet POLINI 95, 0.95mm borecarburetor main jet POLINI 95, 0.95mm bore
      • Sale
      • 4-9 business days
      Add to Wish List Add to Compare
      carburetor main jet POLINI 95, 0.95mm bore
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 4-9 business days
      Main jet POLINI 96, 0.96mm boreMain jet POLINI 96, 0.96mm bore
      • Sale
      • 4-9 business days
      Add to Wish List Add to Compare
      Main jet POLINI 96, 0.96mm bore
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 4-9 business days
      main jet POLINI 97, 0.97mm boremain jet POLINI 97, 0.97mm bore
      • Sale
      • 4-9 business days
      Add to Wish List Add to Compare
      main jet POLINI 97, 0.97mm bore
      Special Price €4.00 Regular Price €5.70 -30%
      • Sale
      • 4-9 business days
      main jet POLINI 98, 0.98mm boremain jet POLINI 98, 0.98mm bore
      • Sale
      • 4-9 business days
      Add to Wish List Add to Compare
      main jet POLINI 98, 0.98mm bore
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 4-9 business days
      main jet POLINI 99, 0.99mm boremain jet POLINI 99, 0.99mm bore
      • Sale
      • 4-9 business days
      Add to Wish List Add to Compare
      main jet POLINI 99, 0.99mm bore
      Special Price €4.15 Regular Price €5.90 -30%
      • Sale
      • 4-9 business days
      main jet POLINI 100 1.00mmmain jet POLINI 100 1.00mm
      • Sale
      • 4-9 business days
      Add to Wish List Add to Compare
      main jet POLINI 100 1.00mm
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 1-2 business days
      • In the Tallinn store
      Main jet POLINI 1.01mm for Keihin PWK and Polini CP carburetorsMain jet POLINI 1.01mm for Keihin PWK and Polini CP carburetors
      • Sale
      • 1-2 business days
      • In the Tallinn store
      Add to Wish List Add to Compare
      Main jet POLINI 1.01mm for Keihin PWK and Polini CP carburetors
      Special Price €4.60 Regular Price €5.90 -22%
      • Sale
      • 4-9 business days
      Main jet POLINI 102, 1.02mm bore, Keihin PWK and Polini CPMain jet POLINI 102, 1.02mm bore, Keihin PWK and Polini CP
      • Sale
      • 4-9 business days
      Add to Wish List Add to Compare
      Main jet POLINI 102, 1.02mm bore, Keihin PWK and Polini CP
      Special Price €4.20 Regular Price €5.90 -29%
      • Sale
      • 4-9 business days
      main jet POLINI 103, 1.03mm bore, for Keihin PWK and Polini CP carburetorsmain jet POLINI 103, 1.03mm bore, for Keihin PWK and Polini CP carburetors
      • Sale
      • 4-9 business days
      Add to Wish List Add to Compare
      main jet POLINI 103, 1.03mm bore, for Keihin PWK and Polini CP carburetors
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 4-9 business days
      main jet POLINI 104, 1.04mm boremain jet POLINI 104, 1.04mm bore
      • Sale
      • 4-9 business days
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      main jet POLINI 104, 1.04mm bore
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 4-9 business days
      Main jet POLINI 105 1.05mm boreMain jet POLINI 105 1.05mm bore
      • Sale
      • 4-9 business days
      Add to Wish List Add to Compare
      Main jet POLINI 105 1.05mm bore
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 4-9 business days
      main jet POLINI 106, 1.06mm boremain jet POLINI 106, 1.06mm bore
      • Sale
      • 4-9 business days
      Add to Wish List Add to Compare
      main jet POLINI 106, 1.06mm bore
      Special Price €4.20 Regular Price €5.90 -29%
      • Sale
      • 4-9 business days
      main jet POLINI 107 1.07mm for Keihin PWK and Polini CP carburetorsmain jet POLINI 107 1.07mm for Keihin PWK and Polini CP carburetors
      • Sale
      • 4-9 business days
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      main jet POLINI 107 1.07mm for Keihin PWK and Polini CP carburetors
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 4-9 business days
      carburetor main jet POLINI 108 1.08mm borecarburetor main jet POLINI 108 1.08mm bore
      • Sale
      • 4-9 business days
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      carburetor main jet POLINI 108 1.08mm bore
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 4-9 business days
      Main jet POLINI 109, 1.09mm bore, Keihin PWK/Polini CPMain jet POLINI 109, 1.09mm bore, Keihin PWK/Polini CP
      • Sale
      • 4-9 business days
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      Main jet POLINI 109, 1.09mm bore, Keihin PWK/Polini CP
      Special Price €4.00 Regular Price €5.70 -30%
      • Sale
      • 4-9 business days
      Main jet POLINI 110, 1.10mm boreMain jet POLINI 110, 1.10mm bore
      • Sale
      • 4-9 business days
      Add to Wish List Add to Compare
      Main jet POLINI 110, 1.10mm bore
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 4-9 business days
      Main jet POLINI 111 1.11mm bore for Keihin PWK, Polini CP carburetorMain jet POLINI 111 1.11mm bore for Keihin PWK, Polini CP carburetor
      • Sale
      • 4-9 business days
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      Main jet POLINI 111 1.11mm bore for Keihin PWK, Polini CP carburetor
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 1-2 business days
      • In the Tallinn store
      Main jet POLINI 112 1.12mm for Keihin PWK, Polini CP carburetorMain jet POLINI 112 1.12mm for Keihin PWK, Polini CP carburetor
      • Sale
      • 1-2 business days
      • In the Tallinn store
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      Main jet POLINI 112 1.12mm for Keihin PWK, Polini CP carburetor
      Special Price €4.30 Regular Price €4.75 -9%
      • Sale
      • 4-9 business days
      Main jet POLINI 113, 1.13mm bore, for Keihin PWK and Polini CP carburetorsMain jet POLINI 113, 1.13mm bore, for Keihin PWK and Polini CP carburetors
      • Sale
      • 4-9 business days
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      Main jet POLINI 113, 1.13mm bore, for Keihin PWK and Polini CP carburetors
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 4-9 business days
      Main jet POLINI 114, 1.14mm bore for Keihin PWK and Polini CP carburetorsMain jet POLINI 114, 1.14mm bore for Keihin PWK and Polini CP carburetors
      • Sale
      • 4-9 business days
      Add to Wish List Add to Compare
      Main jet POLINI 114, 1.14mm bore for Keihin PWK and Polini CP carburetors
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 4-9 business days
      Main jet POLINI 115 1.15mmMain jet POLINI 115 1.15mm
      • Sale
      • 4-9 business days
      Add to Wish List Add to Compare
      Main jet POLINI 115 1.15mm
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 4-9 business days
      main jet POLINI 116, 1.16mm boremain jet POLINI 116, 1.16mm bore
      • Sale
      • 4-9 business days
      Add to Wish List Add to Compare
      main jet POLINI 116, 1.16mm bore
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 4-9 business days
      Carburetor main jet POLINI 117 1.17mm bore Keihin PWK, Polini CPCarburetor main jet POLINI 117 1.17mm bore Keihin PWK, Polini CP
      • Sale
      • 4-9 business days
      Add to Wish List Add to Compare
      Carburetor main jet POLINI 117 1.17mm bore Keihin PWK, Polini CP
      Special Price €4.15 Regular Price €5.90 -30%
      • Sale
      • 4-9 business days
      Main jet POLINI 118, 1.18mm bore, for Keihin PWK and Polini CP carburetorsMain jet POLINI 118, 1.18mm bore, for Keihin PWK and Polini CP carburetors
      • Sale
      • 4-9 business days
      Add to Wish List Add to Compare
      Main jet POLINI 118, 1.18mm bore, for Keihin PWK and Polini CP carburetors
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 4-9 business days
      Carburetor main jet POLINI 119, 1.19mm bore, Keihin PWK/Polini CPCarburetor main jet POLINI 119, 1.19mm bore, Keihin PWK/Polini CP
      • Sale
      • 4-9 business days
      Add to Wish List Add to Compare
      Carburetor main jet POLINI 119, 1.19mm bore, Keihin PWK/Polini CP
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 4-9 business days
      Main jet POLINI 120, 1.20mm boreMain jet POLINI 120, 1.20mm bore
      • Sale
      • 4-9 business days
      Add to Wish List Add to Compare
      Main jet POLINI 120, 1.20mm bore
      Special Price €4.35 Regular Price €5.90 -26%
      • Sale
      • 4-9 business days
      carburetor main jet POLINI 122, 1.22mm borecarburetor main jet POLINI 122, 1.22mm bore
      • Sale
      • 4-9 business days
      Add to Wish List Add to Compare
      carburetor main jet POLINI 122, 1.22mm bore
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 4-9 business days
      main jet POLINI 124, 1.24mm boremain jet POLINI 124, 1.24mm bore
      • Sale
      • 4-9 business days
      Add to Wish List Add to Compare
      main jet POLINI 124, 1.24mm bore
      Special Price €4.15 Regular Price €5.90 -30%
      • Sale
      • 4-9 business days
      Main jet POLINI 128 1.28mm boreMain jet POLINI 128 1.28mm bore
      • Sale
      • 4-9 business days
      Add to Wish List Add to Compare
      Main jet POLINI 128 1.28mm bore
      Special Price €4.30 Regular Price €5.70 -25%
      • Sale
      • 1-2 business days
      • In the Tallinn store
      main jet POLINI 130 1.30mm boremain jet POLINI 130 1.30mm bore
      • Sale
      • 1-2 business days
      • In the Tallinn store
      Add to Wish List Add to Compare
      main jet POLINI 130 1.30mm bore
      Special Price €4.30 Regular Price €5.60 -23%
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    Items 181-216 of 1401

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