BILLET COVERS
The universally recognized phrase “Factory Racing” has stood for years as an iconic symbol of performance in the hearts and minds of MX and Offroad riders around the world.
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- mx/offroad/mini
- atv
- SXS / UTV
- snowmobile
- observed trials
- karting
- special applications
- micro sprint
- street/moped/scooter
- golf cart
- RC airplane
- chainsaw
IN MOTOCROSS, FACTORY RACING MEANS PERFORMANCE
The universally recognized phrase “Factory Racing” has stood for years as an iconic symbol of performance in the hearts and minds of MX and Offroad riders around the world.
Superstock Reed - Fiber - Moto Tass VF3 Replacement Reed
CHECKED YOUR REEDS LATELY?
Are you checking your Moto Tassinari reed petals for signs of normal wear?
Rad Valve
THE BOYESEN RAD VALVE: A TRUE BOLT-ON POWER BOOST.
Peak HP gains, durability, and model-specific performance for each make/model/year machine.
DEEP INTO YOUR ATV RESTORATION OR REBUILD PROJECT?
Select from our comprehensive line of aftermarket bolt-on upgrades for Yamaha, Honda, Kawasaki, and Suzuki ATVs spanning from the early 1980’s to all of the most popular current models including the legendary Yamaha Banshee and Blaster.
Rad Valve
THE BOYESEN RAD VALVE: A TRUE BOLT-ON POWER BOOST.
Peak HP gains, durability, and model-specific performance for each make/model/year machine.
Carbon Tech - Moto Tass VF2 Replacement Reed
Boyesen’s Carbon Tech, Moto Tass VF Replacement reeds fit the most popular Moto Tassinari intake systems.
KEEP YOUR CAN-AM MAVERICK OR POLARIS RZR COOL.
The Boyesen Supercooler is a proven Performance Engine Component, and is the best bolt-on solution for helping to reduce coolant temps, optimize horsepower and extend the lifespan of side by side engine’s internal valve-train components.
Supercooler Kit
PROTECT YOUR INVESTMENT
By keeping coolant temperatures within the optimal operational range you will protect your engine's internal components from heat related pre-materure wear and micro damage.
BOLT-ON PERFORMANCE FOR MODERN AND VINTAGE SLEDS
Our massive selection of OEM Replacement Reeds, Performance Reeds, Ultimate Performance Reeds, and ever-popular Performance Intake components like the Boyesen Rage Cage, and Rage Cage Replacement Parts provides a broad spectrum of upgrade options to make your snowmobile custom tailored for you.
Carbon Tech - Moto Tass VF3 Replacement Reed
IMPROVED REED REACTIVITY AND GREATER LIFESPAN
The Boyesen Carbon Tech, Moto Tass VF Replacement reeds focus on increasing the level of reed reactivity while at the same time achieving a longer lifespan between wear-based reed change intervals.
Superstock Reeds - Fiber
The most economical replacement upgrade for your stock intake system.
DEVELOPED ALONGSIDE EUROPEAN FACTORY GAS GAS, BETA AND TRRS TEAMS
From a stronger, broader power delivery, to a quicker and lighter rev... Boyesen brings 45 years of intake research and development to the unique requirements of Observed Trials.
Pro Series Reeds
Boyesen Pro Series Reeds are more responsive than our traditional Power Reeds.
Power Reeds
Dual-stage reeds work in unison to perform throughout the entire power spectrum.
Carbon Tech Reeds LT
Carbon Tech Reeds last longer and give better performance than any other reed available.
OPTIMIZE YOUR KARTING EXPERIENCE WITH BOYESEN
A broad spectrum of upgrade options to customize and tailor the power delivery of your Kart! Intelligent and Fast. Engine Specific Designs. The Boyesen Legacy
Carbon Tech Reed and Tensioner Kit
Carbon Tech Reeds last longer and give better performance than any other reed available.
Supercooler Kit
The Boyesen Supercooler is recognized worldwide as the benchmark in bolt-on engine heat-reduction performance.
Carbon Tech Reeds Mono
Carbon Tech Reeds last longer and give better performance than any other reed available.
INCREASED INTAKE PERFORMANCE FOR YOUR HONDA CR 270 MICRO SPRINT
Boyesen’s complete Performance Intake Rad Valve systems are the perfect upgrade for your HONDA CR 270 Micro Sprint machine.
Rad Valve
Peak HP gains, durability, and model-specific performance for each make/model/year machine.
GAIN THE BOYESEN ADVANTAGE
Work with Boyesen directly for any special application air-intake, carburetion, or special engine component solution for your Street Bike, Moped, Scooter applications.
Power Reeds
Dual-stage reeds work in unison to perform efficiently throughout the entire powerband.
OEM REPLACMENT REEDS FOR YOUR 2 STROKE GOLD KART
Boyesen’s line of OEM Replacement Reeds feature our Superstock Fiber which adds performance and overall reed life durability to your Golf Kart’s intake system.
Power Reeds
Dual-stage reeds work in unison to perform efficiently throughout the entire powerband.
GAIN THE BOYESEN ADVANTAGE
Work with Boyesen directly for any special application air-intake, carburetion, or special engine component solution that you may require.
GAIN THE BOYESEN ADVANTAGE
Work with Boyesen directly for any special application air-intake, carburetion, or special engine component solution that you may require.
Power Reeds
Dual-stage reeds work in unison to perform efficiently throughout the entire powerband.
GAIN THE BOYESEN ADVANTAGE
Work with Boyesen directly for any special application air-intake, carburetion, or special engine component solution that you may require.
