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    Valve stem seals

    Discover quality valve stem seals for motorcycle engines at starmoto.eu. Correctly sealing the valve stems helps reduce oil consumption, smoke, and carbon deposits, keeping your engine clean and efficient.

    Our range of valve stem seals is selected to offer reliable fit and long service life for many motorcycle models. Choose the right seals when rebuilding your cylinder head, replacing valves, or solving oil burning issues.

    Why replace your valve stem seals?

    • Reduce oil leakage into the combustion chamber
    • Improve engine performance and emissions
    • Extend the life of valves and guides
    • Support a smooth, reliable engine rebuild

    If you are unsure which valve stem seals fit your bike, check your model specifications or contact support with your motorcycle details for guidance.

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    Items 1-36 of 97

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      • Moto GP weekend
      • 1-4 business days
      Valve stem seal PROX YZ250F '01-13 + WR250F '01-13Valve stem seal PROX YZ250F '01-13 + WR250F '01-13
      • Moto GP weekend
      • 1-4 business days
      Add to Wish List Add to Compare
      Valve stem seal PROX YZ250F '01-13 + WR250F '01-13
      Special Price €5.45 Regular Price €6.70 -19%
      • Moto GP weekend
      • 1-2 business days
      • In the Tallinn store
      Valve stem seal PROX CRF250R '04-20 + CRF250X '04-17Valve stem seal PROX CRF250R '04-20 + CRF250X '04-17
      • Moto GP weekend
      • 1-2 business days
      • In the Tallinn store
      Add to Wish List Add to Compare
      Valve stem seal PROX CRF250R '04-20 + CRF250X '04-17
      Special Price €4.80 Regular Price €6.00 -20%
      • Moto GP weekend
      • 1-4 business days
      Valve stem seal PROX YZ450F '03-09 + YFZ450 '04-13Valve stem seal PROX YZ450F '03-09 + YFZ450 '04-13
      • Moto GP weekend
      • 1-4 business days
      Add to Wish List Add to Compare
      Valve stem seal PROX YZ450F '03-09 + YFZ450 '04-13
      Special Price €9.00 Regular Price €11.00 -18%
      • Moto GP weekend
      • 1-4 business days
      Valve Stem Seal PROX RM-Z450 '05-06 + DR-Z400 '00-23Valve Stem Seal PROX RM-Z450 '05-06 + DR-Z400 '00-23
      • Moto GP weekend
      • 1-4 business days
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      Valve Stem Seal PROX RM-Z450 '05-06 + DR-Z400 '00-23
      Special Price €5.15 Regular Price €6.30 -18%
      • Moto GP weekend
      • 1-4 business days
      Valve stem seal PROX KX250F '04-23 + RM-Z250 '04-06Valve stem seal PROX KX250F '04-23 + RM-Z250 '04-06
      • Moto GP weekend
      • 1-4 business days
      Add to Wish List Add to Compare
      Valve stem seal PROX KX250F '04-23 + RM-Z250 '04-06
      Special Price €5.30 Regular Price €6.50 -18%
      • Moto GP weekend
      • 1-4 business days
      Valve stem seal PROX CRF450R '09-23 + CRF450X '05-17Valve stem seal PROX CRF450R '09-23 + CRF450X '05-17
      • Moto GP weekend
      • 1-4 business days
      Add to Wish List Add to Compare
      Valve stem seal PROX CRF450R '09-23 + CRF450X '05-17
      Special Price €3.70 Regular Price €4.55 -19%
      • Moto GP weekend
      • 1-2 business days
      • In the Tallinn store
      Valve seal set NARAKU GY6, Kymco 4-strokeValve seal set NARAKU GY6, Kymco 4-stroke
      • Moto GP weekend
      • 1-2 business days
      • In the Tallinn store
      Add to Wish List Add to Compare
      Valve seal set NARAKU GY6, Kymco 4-stroke
      Special Price €3.30 Regular Price €4.10 -20%
      • Moto GP weekend
      • 4-9 business days
      Valve stem oil seal NARAKU Aprilia Benelli Malaguti MBK Yamaha MaxiValve stem oil seal NARAKU Aprilia Benelli Malaguti MBK Yamaha Maxi
      • Moto GP weekend
      • 4-9 business days
      Add to Wish List Add to Compare
      Valve stem oil seal NARAKU Aprilia Benelli Malaguti MBK Yamaha Maxi
      Special Price €4.80 Regular Price €6.00 -20%
      • Moto GP weekend
      • 4-9 business days
      Valve stem oil seal NARAKU Aprilia Gilera Piaggio Vespa Maxi 1pcValve stem oil seal NARAKU Aprilia Gilera Piaggio Vespa Maxi 1pc
      • Moto GP weekend
      • 4-9 business days
      Add to Wish List Add to Compare
      Valve stem oil seal NARAKU Aprilia Gilera Piaggio Vespa Maxi 1pc
      Special Price €3.90 Regular Price €4.90 -20%
      • Moto GP weekend
      • 4-9 business days
      Valve stem oil seal NARAKU Beta, Honda, Kymco, SYMValve stem oil seal NARAKU Beta, Honda, Kymco, SYM
      • Moto GP weekend
      • 4-9 business days
      Add to Wish List Add to Compare
      Valve stem oil seal NARAKU Beta, Honda, Kymco, SYM
      Special Price €3.60 Regular Price €4.55 -21%
      • Moto GP weekend
      • 1-2 business days
      • In the Tallinn store
      Valve stem oil seal NARAKU Honda, Keeway, Piaggio, Suzuki, YamahaValve stem oil seal NARAKU Honda, Keeway, Piaggio, Suzuki, Yamaha
      • Moto GP weekend
      • 1-2 business days
      • In the Tallinn store
      Add to Wish List Add to Compare
      Valve stem oil seal NARAKU Honda, Keeway, Piaggio, Suzuki, Yamaha
      Special Price €2.75 Regular Price €3.40 -19%
      • Moto GP weekend
      • 4-9 business days
      Valve stem oil seal NARAKU Honda Yamaha MBK SuzukiValve stem oil seal NARAKU Honda Yamaha MBK Suzuki
      • Moto GP weekend
      • 4-9 business days
      Add to Wish List Add to Compare
      Valve stem oil seal NARAKU Honda Yamaha MBK Suzuki
      Special Price €3.90 Regular Price €4.90 -20%
      • Moto GP weekend
      • 4-9 business days
      Valve stem oil seal NARAKU MBK, Yamaha 1pcValve stem oil seal NARAKU MBK, Yamaha 1pc
      • Moto GP weekend
      • 4-9 business days
      Add to Wish List Add to Compare
      Valve stem oil seal NARAKU MBK, Yamaha 1pc
      Special Price €2.75 Regular Price €3.40 -19%
      • Moto GP weekend
      • 4-9 business days
      Valve stem oil seal NARAKU 843307 Piaggio 50cc, 125cc, 150cc 4T 3V, 4VValve stem oil seal NARAKU 843307 Piaggio 50cc, 125cc, 150cc 4T 3V, 4V
      • Moto GP weekend
      • 4-9 business days
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      Valve stem oil seal NARAKU 843307 Piaggio 50cc, 125cc, 150cc 4T 3V, 4V
      Special Price €5.35 Regular Price €6.70 -20%
      • 1-2 business days
      • In the Tallinn store
      KlapisääretihendKlapisääretihend
      • 1-2 business days
      • In the Tallinn store
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      Klapisääretihend
      €3.15
      • Moto GP weekend
      • 1-2 business days
      • In the Tallinn store
      ATV 250 ST-9E 5MM valve seal 1 springATV 250 ST-9E 5MM valve seal 1 spring
      • Moto GP weekend
      • 1-2 business days
      • In the Tallinn store
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      ATV 250 ST-9E 5MM valve seal 1 spring
      Special Price €3.25 Regular Price €4.05 -20%
      • Moto GP weekend
      • 3-5 business days
      Valve seal Piaggio ZIP 50 4T 4.5MMValve seal Piaggio ZIP 50 4T 4.5MM
      • Moto GP weekend
      • 3-5 business days
      Add to Wish List Add to Compare
      Valve seal Piaggio ZIP 50 4T 4.5MM
      Special Price €3.85 Regular Price €4.80 -20%
      • Moto GP weekend
      • 3-5 business days
      Honda CBF125 valve stem seal for 5,0 mm stemHonda CBF125 valve stem seal for 5,0 mm stem
      • Moto GP weekend
      • 3-5 business days
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      Honda CBF125 valve stem seal for 5,0 mm stem
      Special Price €3.30 Regular Price €4.15 -20%
      • Moto GP weekend
      • 3-5 business days
      Honda CBF125 valve stem seal for 5,0 mm stemHonda CBF125 valve stem seal for 5,0 mm stem
      • Moto GP weekend
      • 3-5 business days
      Add to Wish List Add to Compare
      Honda CBF125 valve stem seal for 5,0 mm stem
      Special Price €3.55 Regular Price €4.40 -19%
      • Moto GP weekend
      • 3-5 business days
      Honda CBF 125 valve stem seal for 5,5 mm stemHonda CBF 125 valve stem seal for 5,5 mm stem
      • Moto GP weekend
      • 3-5 business days
      Add to Wish List Add to Compare
      Honda CBF 125 valve stem seal for 5,5 mm stem
      Special Price €3.55 Regular Price €4.40 -19%
      • Moto GP weekend
      • 3-5 business days
      Honda CBF 125 valve stem seal 5,5 mm, 2 springsHonda CBF 125 valve stem seal 5,5 mm, 2 springs
      • Moto GP weekend
      • 3-5 business days
      Add to Wish List Add to Compare
      Honda CBF 125 valve stem seal 5,5 mm, 2 springs
      Special Price €3.65 Regular Price €4.60 -21%
      • Moto GP weekend
      • 3-5 business days
      Valve seal Kingway Czoper 4T 4.5MMValve seal Kingway Czoper 4T 4.5MM
      • Moto GP weekend
      • 3-5 business days
      Add to Wish List Add to Compare
      Valve seal Kingway Czoper 4T 4.5MM
      Special Price €3.40 Regular Price €4.30 -21%
      • Moto GP weekend
      • 3-5 business days
      Valve seal 4T 1 spring kit 4.5MMValve seal 4T 1 spring kit 4.5MM
      • Moto GP weekend
      • 3-5 business days
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      Valve seal 4T 1 spring kit 4.5MM
      Special Price €2.25 Regular Price €2.80 -20%
      • Moto GP weekend
      • 3-5 business days
      Valve seal Piaggio FLY 125 4T set, 4.5MMValve seal Piaggio FLY 125 4T set, 4.5MM
      • Moto GP weekend
      • 3-5 business days
      Add to Wish List Add to Compare
      Valve seal Piaggio FLY 125 4T set, 4.5MM
      Special Price €8.70 Regular Price €11.00 -21%
      • Moto GP weekend
      • 1-2 business days
      SEAL VALVE BT 84-04 EASEAL VALVE BT 84-04 EA
      • Moto GP weekend
      • 1-2 business days
      Add to Wish List Add to Compare
      SEAL VALVE BT 84-04 EA
      Special Price €9.60 Regular Price €12.00 -20%
      • Moto GP weekend
      • 1-2 business days
      SEAL VALVE INT XL 57-85EASEAL VALVE INT XL 57-85EA
      • Moto GP weekend
      • 1-2 business days
      Add to Wish List Add to Compare
      SEAL VALVE INT XL 57-85EA
      Special Price €10.00 Regular Price €12.50 -20%
      • Moto GP weekend
      • 1-2 business days
      SEAL VLV 48-E79 BT EASEAL VLV 48-E79 BT EA
      • Moto GP weekend
      • 1-2 business days
      Add to Wish List Add to Compare
      SEAL VLV 48-E79 BT EA
      Special Price €9.80 Regular Price €11.50 -15%
      • Moto GP weekend
      • 1-2 business days
      SEAL VLV L79-E84 BT EASEAL VLV L79-E84 BT EA
      • Moto GP weekend
      • 1-2 business days
      Add to Wish List Add to Compare
      SEAL VLV L79-E84 BT EA
      Special Price €9.70 Regular Price €11.00 -12%
      • Moto GP weekend
      • 1-2 business days
      • In the Tallinn store
      VALVE SEAL 6.0MMVALVE SEAL 6.0MM
      • Moto GP weekend
      • 1-2 business days
      • In the Tallinn store
      Add to Wish List Add to Compare
      VALVE SEAL 6.0MM
      Special Price €16.50 Regular Price €18.50 -11%
      • Moto GP weekend
      • 21-30 business days
      SEALS VALVE 6MM 8PKSEALS VALVE 6MM 8PK
      • Moto GP weekend
      • 21-30 business days
      Add to Wish List Add to Compare
      SEALS VALVE 6MM 8PK
      Special Price €23.50 Regular Price €27.00 -13%
      • Moto GP weekend
      • 21-30 business days
      VALVE SEAL KIT CRF450RVALVE SEAL KIT CRF450R
      • Moto GP weekend
      • 21-30 business days
      Add to Wish List Add to Compare
      VALVE SEAL KIT CRF450R
      Special Price €15.00 Regular Price €18.50 -19%
      • Moto GP weekend
      • 21-30 business days
      VALVE SEAL KIT CRF250R/XVALVE SEAL KIT CRF250R/X
      • Moto GP weekend
      • 21-30 business days
      Add to Wish List Add to Compare
      VALVE SEAL KIT CRF250R/X
      Special Price €16.50 Regular Price €20.50 -20%
      • Ask about availability
      VALVE SEAL KIT CRF250RVALVE SEAL KIT CRF250R
      • Ask about availability
      Add to Wish List Add to Compare
      VALVE SEAL KIT CRF250R
      €18.50
      • Moto GP weekend
      • 21-30 business days
      VALVE SEAL KIT CRF450RVALVE SEAL KIT CRF450R
      • Moto GP weekend
      • 21-30 business days
      Add to Wish List Add to Compare
      VALVE SEAL KIT CRF450R
      Special Price €15.00 Regular Price €18.50 -19%
      • Ask about availability
      VALVE SEAL KIT CRF250RVALVE SEAL KIT CRF250R
      • Ask about availability
      Add to Wish List Add to Compare
      VALVE SEAL KIT CRF250R
      €18.50
      • Moto GP weekend
      • 1-2 business days
      VALVE SEAL KIT KX250FVALVE SEAL KIT KX250F
      • Moto GP weekend
      • 1-2 business days
      Add to Wish List Add to Compare
      VALVE SEAL KIT KX250F
      Special Price €18.00 Regular Price €22.50 -20%
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