Reference: BOY605
BOYESEN motorcycle competition valve slats YAMAHA DT 175cc, YZ, TRI 125cc, HONDA CR 80cc, KAWASAKI KX, KDX 80cc ...
For a gain in power both in terms of torque and at high speed!
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Ideal to refurbish and increase the performance of your bikes and quads:
-Honda Like NSR, MBX, 75cc and 100cc MTX or CR 80cc 2 times
-GASGAS 80 ENDUCROSS
-MONTESA COTA 315 R from 1997 to 1999
-TM 80 CROSS ENDURO
-YAMAHA YVPS RD 350 and 200 BLASTER
Here is the set of 2 strips of fiber glass valves black KARBONIT Treaty. High performance, these blades are slightly thicker and offers excellent strength! Between axis of fixing holes 20mm dimensions 42x42mm.
Reference: BOY605
For a gain in power both in terms of torque and at high speed!
Reference: BOY658
BOYESEN competition system of slats for your old YAMAHA DT, MX, GT ... 50 or 80cc!
Reference: BOY602
Fiberglass competition flap covers for power gain in both torque and high speed.
Reference: LC.44.50
Valves with special high performance Karbonit slats at a very reasonable price!
Reference: LC.34.10
High performance competition valves for KTM, HUSQVARNA 65cc 2T.
Reference: BOYRAD-30C
High performance competition valves for YAMAHA YZ 85 from 2002 to 2024
Reference: LP.68.2
Top to refurbish your old machine 2 times by increasing its performance!
Reference: BOY610
Glass fiber competition valve slats for a power gain both in torque and at high speed.
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: 27 7366.K0
Two 100X100mm boards in Karbonit MALOSSI available in 0.30, 0.35 and 0.40mm. It can be cut and therefore adapts to all 2-stroke motor vehicles. Choice of thickness.
Reference: BOY603
An ideal way to gain torque and high revs on your 125cc motorcycle!
Reference: 005712
High quality competition valves, bonded aluminum base!
Reference: BOY737
Kit lamelle BOYESEN system, the top for performance!
Reference: LC.26.10
High performance valves for your HONDA 2-stroke 75cc, 80cc and 100cc motorcycles!
Reference: LP.26.2
High-quality blades for your old HONDA and BETA 50 or 75cc machines!