Reference: BOY715
Slats of BOYESEN 125cc motorcycle competition valves engine 4FU YAMAHA DT, TDR & TZR 125cc, VR 150cc, SUZUKI SDR 200cc ...
To increase the power and the torque of your motorcycle!
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Competition motorbike brand based in the US, specialized in the admission room and performance.
Famous motorcycle racing brand based in the United States created in 1972, specializing in parts intake and performance. For more than 30 years Boyesen specializes in the design and manufacture of high performance parts for industry motorsports. Elements and high-end pieces.
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Boyesen offers the most advanced innovations available admission for two-stroke engines. Our "Reeds Reeds" electric, "Pro Series", "Valves Rad" and other performance unique products add value to industries motorcycle, snowmobile, watercraft and marine outboard. At Boyesen, we use the latest computerized testing process and manufacturing available in the industry. From research to production, Boyesen is committed to using creative concepts, new materials, and better models that will increase the satisfaction of its customers.
With facilities such as Kawasaki and Yamaha, integrating Boyesen technology in their production machines, the list of top-level riders who commissioned the Boyesen technology is simply impressive. Drivers like John Dowd, Bob Hannah, Jeremy McGrath, Chad Reed, James Stewart and Ryan Villopoto more recently are among those who have trusted Boyesen technology as part of their winning formulas ... (source site Boyesen info)
There are 27 products.
Reference: BOY715
To increase the power and the torque of your motorcycle!
Reference: BOY666
Competition valves to obtain additional power gain!
Reference: BOY602
Fiberglass competition flap covers for power gain in both torque and high speed.
Reference: BOY605
For a gain in power both in terms of torque and at high speed!
Reference: BOY748
Ideal to equip your unbridled and highly equipped machines!
Reference: BOY603
An ideal way to gain torque and high revs on your 125cc motorcycle!
Reference: BOY610
Glass fiber competition valve slats for a power gain both in torque and at high speed.
Reference: BOY706
Ideal for increasing the power and the torque of your motorcycle! Installs on ROTAX 122 and 123 125cc 2T engine.
Reference: BOY703
To increase the power and torque of your bike!
Reference: BOY714
Ideal for increasing the power and torque of your motorcycle!
Reference: BOY713
Ideal to improve the performance of your machine! Fiberglass model.
Reference: BOY702
Competition valves to obtain additional power gain!
Reference: BOY737
Kit lamelle BOYESEN system, the top for performance!
Reference: BOYPRO-85
Valves for BOYESEN BLASTER 200 2T.
Reference: BOY757
Carbon fiber slats, ideal for equipping YAMAHA RD motorcycles from 1973.
Reference: BOYRAD-35A
BOYESEN complete valve box with carburetor connection sleeve.
Reference: BOYPRO-58
Set of sipes for a gain of power in both spas and high speed on your motocross Yamaha YZ 80cc LC / L from 1993 to 2001!
Reference: BOY630
Set of BOYESEN slats for a gain of power as well in spas of torque as in high speed on your motocross motorcycle Kawasaki KX 80, Yamaha YZ 80 and Yamaha Yamaha YFS 200 BLASTER of 1988/2006.
Reference: BOY6124
BOYESEN slat set for power gain in both thermal baths and high speed on your Suzuki, Kawasaki KX 85, 100 motocross from 2001 to 2018
Reference: BOYPRO-212
BOYESEN slat set in CARBON for power gain in both thermal baths and high speed on your Suzuki, Kawasaki KX 85, 100 motocross from 2001 to 2018
Reference: BOYSSC010
Ideal for increasing the power and torque of your motorcycle!