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SKU:
59-7703A-51s
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Availability:
in stock
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Out of stock
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Rad Valve
$171.60
$179.95
[{"make":"Kawasaki","model":"KX85","years":[2001,2002,2003,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018,2019,2020,2021,2022,2023,2024]},{"make":"Kawasaki","model":"KX100","years":[2001,2002,2003,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018,2019,2020,2021]},{"make":"Kawasaki","model":"KX112","years":[2022,2023,2024]}]
DESCRIPTION
Boyesen Rad Valve – RC2 Series Performance Intake
Boost your two-stroke’s acceleration and top-end with the Boyesen Rad Valve. Designed for maximum intake efficiency, its Aerodynamic Surface Optimization, model-specific Reed Petal Tensioning, and Multi-Stage Reed Timing deliver sharper throttle, cleaner burn, and real horsepower gains. Built from fuel-resistant composites to withstand today’s pump and race fuels.
Precision-matched applications for Yamaha YZ250/250X, KTM 65 SX, and Kawasaki KX85/100. Each Rad Valve is tuned by model, year, and displacement for optimal flow velocity and durability.
Why Choose the Rad Valve
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Power You Can Feel: Optimized intake tract increases peak HP and midrange torque.
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Lightning-Quick Response: Maintains consistent charge velocity for instant throttle pick-up.
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Smoother Power Delivery: Even port distribution reduces flat spots and bog.
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Race-Ready Materials: Fuel- and ethanol-resistant construction for long service life.
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Easy, Bolt-On Upgrade: One-piece design installs with standard tools.
From holeshots to hill climbs, the Boyesen Rad Valve provides crisp, predictable power and proven reliability—engineered specifically for your bike.
Ideal for: MX, off-road, enduro, and track-day riders seeking a durable, bolt-on intake upgrade that delivers immediate performance gains.
