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BANSHEE ALL YEARS V FORCE 4 REED VALVE (PAIR)
£234.99Add to cartThe unique design of the VForce reed valve system features double the reed tip surface over a conventional reed valve design. This has two major benefits: 1) The reed petals only travel half the distance as a conventional reed valve design to get the same airflow. 2) Because the reed petals only need to travel half the distance of that on a conventional reed valve design, there is a greater chance of them being fully opened as well as a better chance of sealing when they are “closed”. A reed petal never truly “closes” in a classic sense, as it is always in movement. Consider this, an engine operating at 8,000 RPM results in a reed petal opening and closing 133 times in one second. This fact, sheds light on another VForce advantage. Since the petals are only traveling half the distance, they generally last longer as they receive less wear than the reed petals on a conventional reed valve design.
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BOYESEN YZ125 CLUTCH COVER 2005 ON (BLACK)
£129.99Add to cartFitment
YZ 125 2005-2021
YZ 125X 2020-2021 -
BOYESEN YZ125 CLUTCH COVER 2005 ON (MAGNESIUM)
£129.99Add to cartFitment
YZ 125 2005-2021
YZ 125X 2020-2021 -
BOYESEN YZ125 IGNITION COVER 2005 ON (BLACK)
£109.99Add to cartFitment
YZ 125 2005-2021
YZ 125X 2020-2021 -
BOYESEN YZ125 IGNITION COVER 2005 ON (MAGNESIUM)
£109.99Add to cartFitment
YZ 125 2005-2021
YZ 125X 2020-2021 -
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BOYESEN YZ65/80/85 IGNITION COVER (BLACK)
£109.99Add to cartFitment
YZ65 18-22
YZ80 93-01
YZ85 02-22 -
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Cylinder Works Cylinder Head Kit Yamaha YZ125 05-21
£119.99Add to cartCylinder Works Cylinder Head Kit Yamaha YZ125 05-21