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Here are the famous valves BOYESEN competition. These valves are made for the 125cc machine equipped 2-stroke HONDA NSR F, NSR R, RS ....
It will allow an increase in power but also the couple! This is a patented double slat system, a thinner for low speeds and a thicker which kicks in (resonance) for high speeds! The fiberglass that is design the highest quality! Ideal to equip your unbridled and highly equipped machines. They come with instructions!
Mounts on (BOYESEN list):
-Honda NSR 125 F / R
-Honda RS 125
Reference: LC.26.40.1
A high performance valve box kit + straight intake manifold (90° angle) for your HONDA 125cc 2T motorcycles! Model with genuine high-end carbon slats.
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: LP.01.125
Ideal for refurbishing your double V 8-slat valve box ITALKIT! Black treated fiberglass slats "Karbonit".
Reference: BOY714
Ideal for increasing the power and torque of your motorcycle!
Reference: BOY605
For a gain in power both in terms of torque and at high speed!
Reference: 213.0599
Planks for manufacturing POLINI carbon valve slats, certified high quality! Available in 0.25, 0.28, 0.30, 0.33, 0.35, 0.40 and 0.45mm. For all 2-stroke engines, choice of thickness!
Reference: BOY715
To increase the power and the torque of your motorcycle!
Reference: LP.68.2
Top to refurbish your old machine 2 times by increasing its performance!
Reference: LP.26.4
Ideal to prepare your admission and get a performance boost!
Reference: LC.34.40
A high performance valve box + intake pipe kit for your KTM 150, 144 or 125cc 2T motorcycles! Model with genuine high-end carbon slats.
Reference: BOY702
Competition valves to obtain additional power gain!
Reference: BOY713
Ideal to improve the performance of your machine! Fiberglass model.
Reference: LC.34.60
Top-of-the-range competition valves Made In Italy with 0.28mm carbon slats, special high performance with gas channeling.
Reference: BOY602
Fiberglass competition flap covers for power gain in both torque and high speed.
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.