One of the best-known brands in the cross-country world.

Who is BOYESEN?

For over 30 years Boyesen has specialized in the design and manufacture of high-performance parts for the motorsports industry .The confidence instilled by Factory Race Research Team and development partnerships bleeds all the way down to theweekend warriors who seek the highest performance and most durable products on the market .Boyesen's slogan, "Leading Edge Performance", is recognized theworld over. Fromthe industry-leading performance of their innovative reeds, to their complete intake track system, Boyesen continues to consistently set the standard for quality performance and build craftsmanship.

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Replacement gasket for Boyesen valve box for KAWASAKI KX 85, 100 from 2001 to 2024
      High-quality valve box replacement gasket, fits the original part at the best price.
      €8.99Price
      Compare
      Replacement gasket for Boyesen valve box for KAWASAKI KX 85, 100 from 2001 to 2024
          High-quality valve box replacement gasket, fits the original part at the best price.
          €8.99Price
          Compare
          BOYESEN RAD valve box for GAS GAS MC, HUSQVARNA TC, KTM SX 85 from 2009 to 2025
              The best-performing pipe clamshell on the market!
              €244.99Price
              Compare
              BOYESEN RAD valve box for GAS GAS MC, HUSQVARNA TC, KTM SX 85 from 2009 to 2025
                  The best-performing pipe clamshell on the market!
                  €244.99Price
                  Compare
                  Black clutch cover BOYESEN for YAMAHA WRF, YZF 250 from 2014, 2015, 2016, 2017, 2018Black clutch cover BOYESEN for YAMAHA WRF, YZF 250 from 2014 to 2018
                      A black aluminum clutch cover from BOYESEN FACTORY RACING.
                      €129.99Price
                      Compare
                      Black clutch cover BOYESEN for YAMAHA WRF, YZF 250 from 2014, 2015, 2016, 2017, 2018Black clutch cover BOYESEN for YAMAHA WRF, YZF 250 from 2014 to 2018
                          A black aluminum clutch cover from BOYESEN FACTORY RACING.
                          €129.99Price
                          Compare
                          Water pump housing + propeller black BOYESEN for HUSQVARNA FC, FS KTM SXF 127187 BOYESEN € 229.90
                              A quality water pump housing to improve the cooling system of your engine.
                              €219.99Price
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                              Water pump housing + propeller black BOYESEN for HUSQVARNA FC, FS KTM SXF 127187 BOYESEN € 229.90
                                  A quality water pump housing to improve the cooling system of your engine.
                                  €219.99Price
                                  Compare
                                  Orange ignition cover BOYESEN KTM SX, HUSQVARNA TC 125, 150 from 2016 to 2017 127182 BOYESEN 117,90 €
                                      An orange aluminum ignition cover from BOYESEN FACTORY RACING.
                                      €129.99Price
                                      Compare
                                      Orange ignition cover BOYESEN KTM SX, HUSQVARNA TC 125, 150 from 2016 to 2017 127182 BOYESEN 117,90 €
                                          An orange aluminum ignition cover from BOYESEN FACTORY RACING.
                                          €129.99Price
                                          Compare
                                          Orange clutch cover BOYESEN for KTM SX, HUSQVARNA TC 85 and 105 from 2006 to 2017 127105 BOYESEN 129,00 €
                                              An orange aluminum clutch cover from BOYESEN FACTORY RACING.
                                              €129.99Price
                                              Compare
                                              Orange clutch cover BOYESEN for KTM SX, HUSQVARNA TC 85 and 105 from 2006 to 2017 127105 BOYESEN 129,00 €
                                                  An orange aluminum clutch cover from BOYESEN FACTORY RACING.
                                                  €129.99Price
                                                  Compare
                                                  Orange clutch cover BOYESEN for KTM SXF, EXCF, HUSQVARNA FE, FE 250 and 350 127173 BOYESEN 124,90
                                                      An orange aluminum clutch cover from BOYESEN FACTORY RACING.
                                                      €129.99Price
                                                      Compare
                                                      Orange clutch cover BOYESEN for KTM SXF, EXCF, HUSQVARNA FE, FE 250 and 350 127173 BOYESEN 124,90
                                                          An orange aluminum clutch cover from BOYESEN FACTORY RACING.
                                                          €129.99Price
                                                          Compare
                                                          Replacement gasket for Boyesen valve box for FANTIC XX, KAWASAKI KX, SUZUKI RM, YAMAHA YZ 250 from 1996 to 2025
                                                              High-quality valve box replacement gasket, fits the original part at the best price.
                                                              €8.99Price
                                                              Compare
                                                              Replacement gasket for Boyesen valve box for FANTIC XX, KAWASAKI KX, SUZUKI RM, YAMAHA YZ 250 from 1996 to 2025
                                                                  High-quality valve box replacement gasket, fits the original part at the best price.
                                                                  €8.99Price
                                                                  Compare
                                                                  Spare carbon valves for BOYESEN valve box for FANTIC XX, YAMAHA YZ 250 from 2005 to 2025
                                                                      High-performance, heavy-duty valves with excellent price/performance ratio
                                                                      €79.90Price
                                                                      Compare
                                                                      Spare carbon valves for BOYESEN valve box for FANTIC XX, YAMAHA YZ 250 from 2005 to 2025
                                                                          High-performance, heavy-duty valves with excellent price/performance ratio
                                                                          €79.90Price
                                                                          Compare
                                                                          Ignition cover black BOYESEN KTM SX, HUSQVARNA TC 125, 150 from 2016 to 2017 127180 BOYESEN 111,90 €
                                                                              A black aluminum ignition cover from BOYESEN FACTORY RACING.
                                                                              €114.99Price
                                                                              Compare
                                                                              Ignition cover black BOYESEN KTM SX, HUSQVARNA TC 125, 150 from 2016 to 2017 127180 BOYESEN 111,90 €
                                                                                  A black aluminum ignition cover from BOYESEN FACTORY RACING.
                                                                                  €114.99Price
                                                                                  Compare
                                                                                  Black clutch cover BOYESEN for KTM SX, HUSQVARNA TC 85 and 105 from 2006 to 2017 127131 BOYESEN 119,00 €
                                                                                      A black aluminum clutch cover from BOYESEN FACTORY RACING.
                                                                                      €129.99Price
                                                                                      Compare
                                                                                      Black clutch cover BOYESEN for KTM SX, HUSQVARNA TC 85 and 105 from 2006 to 2017 127131 BOYESEN 119,00 €
                                                                                          A black aluminum clutch cover from BOYESEN FACTORY RACING.
                                                                                          €129.99Price
                                                                                          Compare
                                                                                          Black clutch cover BOYESEN for KTM SXF, EXCF, HUSQVARNA FE, FE 250 and 350 127171 BOYESEN 124,90Black clutch cover BOYESEN for KTM SXF, EXCF, HUSQVARNA FE, FE 250 and 350
                                                                                              A black aluminum clutch cover from BOYESEN FACTORY RACING.
                                                                                              €129.99Price
                                                                                              Compare
                                                                                              Black clutch cover BOYESEN for KTM SXF, EXCF, HUSQVARNA FE, FE 250 and 350 127171 BOYESEN 124,90Black clutch cover BOYESEN for KTM SXF, EXCF, HUSQVARNA FE, FE 250 and 350
                                                                                                  A black aluminum clutch cover from BOYESEN FACTORY RACING.
                                                                                                  €129.99Price
                                                                                                  Compare