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    Radiator Caps

    Keep your motorcycle’s cooling system working at its best with the right radiator cap. A correct pressure-rated cap helps maintain stable engine temperature, prevents coolant loss, and supports reliable performance on both short rides and long trips.

    At Starmoto.eu you’ll find radiator caps for a wide range of bikes, selected for durability and compatibility with modern motorcycle cooling systems. Choose from different pressure ratings and designs to match your OEM specifications or performance needs.

    Why choose our radiator caps?

    • Stable system pressure for efficient cooling
    • Reliable sealing to reduce leaks and evaporation
    • Options to fit popular motorcycle models and engines

    If you’re unsure which radiator cap fits your bike, check your service manual or compare your existing cap’s pressure rating and dimensions to our product details before ordering.

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      • Moto GP weekend
      • 1-2 business days
      • In the Tallinn store
      Radiator cap 1.1 B Yamaha Suzuki Honda KAWARadiator cap 1.1 B Yamaha Suzuki Honda KAWA
      • Moto GP weekend
      • 1-2 business days
      • In the Tallinn store
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      Radiator cap 1.1 B Yamaha Suzuki Honda KAWA
      Special Price €34.00 Regular Price €42.50 -20%
      • Moto GP weekend
      • 1-2 business days
      • In the Tallinn store
      Oil Cap YamahaOil Cap Yamaha
      • Moto GP weekend
      • 1-2 business days
      • In the Tallinn store
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      Oil Cap Yamaha
      Special Price €28.50 Regular Price €35.50 -20%
      • Moto GP weekend
      • 1-2 business days
      • In the Tallinn store
      Oil Dipstick DO MotorcycleOil Dipstick DO Motorcycle
      • Moto GP weekend
      • 1-2 business days
      • In the Tallinn store
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      Oil Dipstick DO Motorcycle
      Special Price €32.50 Regular Price €40.50 -20%
      • Moto GP weekend
      • 1-2 business days
      • In the Tallinn store
      Radiator cap HondaRadiator cap Honda
      • Moto GP weekend
      • 1-2 business days
      • In the Tallinn store
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      Radiator cap Honda
      Special Price €8.00 Regular Price €10.00 -20%
      • Moto GP weekend
      • 1-2 business days
      • In the Tallinn store
      Radiator capRadiator cap
      • Moto GP weekend
      • 1-2 business days
      • In the Tallinn store
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      Radiator cap
      Special Price €8.00 Regular Price €10.00 -20%
      • Moto GP weekend
      • 3-5 business days
      Radiator cap KymcoRadiator cap Kymco
      • Moto GP weekend
      • 3-5 business days
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      Radiator cap Kymco
      Special Price €6.70 Regular Price €8.40 -20%
      • Moto GP weekend
      • 1-2 business days
      • In the Tallinn store
      Radiator capRadiator cap
      • Moto GP weekend
      • 1-2 business days
      • In the Tallinn store
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      Radiator cap
      Special Price €8.00 Regular Price €10.00 -20%
      • Moto GP weekend
      • 21-30 business days
      RADIATOR CAP BLK 1.1BARRADIATOR CAP BLK 1.1BAR
      • Moto GP weekend
      • 21-30 business days
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      RADIATOR CAP BLK 1.1BAR
      €33.50 -19%
      • Moto GP weekend
      • 1-2 business days
      RADIATR CAP STDZINC 16PSIRADIATR CAP STDZINC 16PSI
      • Moto GP weekend
      • 1-2 business days
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      RADIATR CAP STDZINC 16PSI
      €22.50 -20%
      • Moto GP weekend
      • 1-2 business days
      RADIATR CAP STD BLK 16PSIRADIATR CAP STD BLK 16PSI
      • Moto GP weekend
      • 1-2 business days
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      RADIATR CAP STD BLK 16PSI
      €26.00 -19%
      • Moto GP weekend
      • 1-2 business days
      RADIATR CAP STD CHR 16PSIRADIATR CAP STD CHR 16PSI
      • Moto GP weekend
      • 1-2 business days
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      RADIATR CAP STD CHR 16PSI
      €34.00 -19%
      • Moto GP weekend
      • 1-2 business days
      RADIATR CAP HP RACE 23PSIRADIATR CAP HP RACE 23PSI
      • Moto GP weekend
      • 1-2 business days
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      RADIATR CAP HP RACE 23PSI
      €34.00 -19%
      • Moto GP weekend
      • 1-2 business days
      RADIATOR CAP LOW 13PSIRADIATOR CAP LOW 13PSI
      • Moto GP weekend
      • 1-2 business days
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      RADIATOR CAP LOW 13PSI
      €21.50 -19%
      • Moto GP weekend
      • 1-2 business days
      RADIATOR CAP BLK 1.6 BARRADIATOR CAP BLK 1.6 BAR
      • Moto GP weekend
      • 1-2 business days
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      RADIATOR CAP BLK 1.6 BAR
      €33.50 -19%
      • Moto GP weekend
      • 1-2 business days
      RADIATOR CAP 1.8 BAR BLKRADIATOR CAP 1.8 BAR BLK
      • Moto GP weekend
      • 1-2 business days
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      RADIATOR CAP 1.8 BAR BLK
      €33.50 -19%
      • Moto GP weekend
      • 1-2 business days
      RADIATOR CAP 2.1 BAR BLKRADIATOR CAP 2.1 BAR BLK
      • Moto GP weekend
      • 1-2 business days
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      RADIATOR CAP 2.1 BAR BLK
      €33.50 -19%
      • Moto GP weekend
      • 1-2 business days
      KS RADIATOR CAP 1.3 BARKS RADIATOR CAP 1.3 BAR
      • Moto GP weekend
      • 1-2 business days
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      KS RADIATOR CAP 1.3 BAR
      €20.00 -20%
      • Moto GP weekend
      • 1-2 business days
      KS RADIATOR CAP 1.6 BARKS RADIATOR CAP 1.6 BAR
      • Moto GP weekend
      • 1-2 business days
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      KS RADIATOR CAP 1.6 BAR
      Special Price €16.00 Regular Price €20.00 -20%
      • Moto GP weekend
      • 1-2 business days
      KS RADIATOR CAP 1.8 BARKS RADIATOR CAP 1.8 BAR
      • Moto GP weekend
      • 1-2 business days
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      KS RADIATOR CAP 1.8 BAR
      Special Price €16.00 Regular Price €20.00 -20%
      • Moto GP weekend
      • 1-2 business days
      RADIATOR CAP 1.8 BAR KTMRADIATOR CAP 1.8 BAR KTM
      • Moto GP weekend
      • 1-2 business days
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      RADIATOR CAP 1.8 BAR KTM
      Special Price €16.00 Regular Price €20.00 -20%
      • Moto GP weekend
      • 1-2 business days
      RADIATOR CAP 2.0 BAR KTMRADIATOR CAP 2.0 BAR KTM
      • Moto GP weekend
      • 1-2 business days
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      RADIATOR CAP 2.0 BAR KTM
      Special Price €16.00 Regular Price €20.00 -20%
      • Moto GP weekend
      • 1-2 business days
      RADIATR CAP KCRADIATR CAP KC
      • Moto GP weekend
      • 1-2 business days
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      RADIATR CAP KC
      Special Price €58.00 Regular Price €66.50 -13%
      • Ask about availability
      RADIATOR CAP CAN AMRADIATOR CAP CAN AM
      • Ask about availability
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      RADIATOR CAP CAN AM
      €25.00
      • Moto GP weekend
      • 21-30 business days
      RADIATOR CAP POLARISRADIATOR CAP POLARIS
      • Moto GP weekend
      • 21-30 business days
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      RADIATOR CAP POLARIS
      Special Price €23.50 Regular Price €29.00 -19%
      • Moto GP weekend
      • 4-9 business days
      radiator blanking plug OEM STANDARD M14x1.5radiator blanking plug OEM STANDARD M14x1.5
      • Moto GP weekend
      • 4-9 business days
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      radiator blanking plug OEM STANDARD M14x1.5
      Special Price €6.35 Regular Price €7.95 -20%
      • Moto GP weekend
      • 1-4 business days
      Radiator cap SIXTY5 2.0bar KTM with temperature gaugeRadiator cap SIXTY5 2.0bar KTM with temperature gauge
      • Moto GP weekend
      • 1-4 business days
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      Radiator cap SIXTY5 2.0bar KTM with temperature gauge
      Special Price €32.00 Regular Price €40.00 -20%
      • Moto GP weekend
      • 1-2 business days
      LARGE RADIATOR CAPLARGE RADIATOR CAP
      • Moto GP weekend
      • 1-2 business days
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      LARGE RADIATOR CAP
      €23.50 -19%
      • Moto GP weekend
      • 1 business day
      COOLER W/RADIATOR CAPCOOLER W/RADIATOR CAP
      • Moto GP weekend
      • 1 business day
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      COOLER W/RADIATOR CAP
      Special Price €119.00 Regular Price €137.00 -13%
      • Moto GP weekend
      • 1-2 business days
      RAD PRESSURE CAP 1.8RAD PRESSURE CAP 1.8
      • Moto GP weekend
      • 1-2 business days
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      RAD PRESSURE CAP 1.8
      €22.50 -20%
      • Moto GP weekend
      • 1-2 business days
      RAD PRESSURE CAP 2.0RAD PRESSURE CAP 2.0
      • Moto GP weekend
      • 1-2 business days
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      RAD PRESSURE CAP 2.0
      €22.50 -20%
      • Moto GP weekend
      • 1-2 business days
      RAD PRESSURE CP KTM 16/18RAD PRESSURE CP KTM 16/18
      • Moto GP weekend
      • 1-2 business days
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      RAD PRESSURE CP KTM 16/18
      Special Price €18.00 Regular Price €22.50 -20%
      • Moto GP weekend
      • 4-9 business days
      Radiator cap OEM STANDARD Aerox, Nitro Yamaha, MBKRadiator cap OEM STANDARD Aerox, Nitro Yamaha, MBK
      • Moto GP weekend
      • 4-9 business days
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      Radiator cap OEM STANDARD Aerox, Nitro Yamaha, MBK
      Special Price €12.00 Regular Price €15.50 -23%
      • Moto GP weekend
      • 1-4 business days
      Radiator cap SIXTY5 temperature gauge 2.0bar Ho/Ka/Su/YaRadiator cap SIXTY5 temperature gauge 2.0bar Ho/Ka/Su/Ya
      • Moto GP weekend
      • 1-4 business days
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      Radiator cap SIXTY5 temperature gauge 2.0bar Ho/Ka/Su/Ya
      Special Price €32.00 Regular Price €40.00 -20%
      • 1-2 business days
      Radiator cap TOURMAX RC-1.1RRadiator cap TOURMAX RC-1.1R
      • 1-2 business days
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      Radiator cap TOURMAX RC-1.1R
      Special Price €10.50 Regular Price €13.00
      • Ask about availability
      Radiator cap SIXTY5 Ho/Ka/Su/Ya 1.8bar with temperature gaugeRadiator cap SIXTY5 Ho/Ka/Su/Ya 1.8bar with temperature gauge
      • Ask about availability
      Add to Wish List Add to Compare
      Radiator cap SIXTY5 Ho/Ka/Su/Ya 1.8bar with temperature gauge
      €40.00
      • Moto GP weekend
      • 1-4 business days
      Radiator cap SIXTY5 1.8bar temperature gauge KTMRadiator cap SIXTY5 1.8bar temperature gauge KTM
      • Moto GP weekend
      • 1-4 business days
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      Radiator cap SIXTY5 1.8bar temperature gauge KTM
      Special Price €32.00 Regular Price €40.00 -20%
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