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Ideal for increasing the power and the torque of your motorcycle! Installs on ROTAX 122 and 123 125cc 2T engine.
Here are the famous BOYESEN competition valves. These valves are made for 125cc 2-stroke machines APRILIA RS, RX, PEGASO, RED ROSE and many others. 
They will allow an increase in power but also in torque! It is a patented system with double strips, a thinner one for low revs and a thicker one that comes into action (resonance) for high revs! The fiberglass that designs them is of very high quality! Ideal for equipping your unbridled and highly equipped machines. They are delivered with a notice!
Mounts on :
ROTAX 122 engine
ROTAX 123 engine
APRILIA AF1 125cc
APRILIA AF1 125cc FUTURA
APRILIA AF1 125cc REPLICA
APRILIA AF1 125cc SINTESI
APRILIA EUROPA 125cc
APRILIA PEGASO 125cc
APRILIA RED ROSE 125cc
APRILIA RS 125cc
APRILIA RS 125cc EXTREMA
APRILIA RX 125R
APRILIA SPORT 125cc
APRILIA SX 125cc
APRILIA TUAREG RALLY 125cc
APRILIA TUAREG WIND 125cc
HM CRE 125cc
HM DERAPAGE 125cc
And many other 125cc motorcycles.
Reference: BOY748
Ideal to equip your unbridled and highly equipped machines!
Reference: LC.01.125
A box kit with valves + intake pipe bent high performance for your ROTAX 125cc motorcycle or karting! Model with Karbonit fiberglass slats.
Reference: LC.26.3
Valves with special high performance Karbonit slats at a very reasonable price!
Reference: LP.01.125.1
Ideal for refurbishing your double V 8-slat valve box ITALKIT! High-end carbon fiber slats.
Reference: LC.44.50
Valves with special high performance Karbonit slats at a very reasonable price!
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: LP.26.10
High performance blades to refurbish and upgrade your bike HONDA 75cc, 80cc and 100cc!
Reference: LC.01.126.1
A high performance valve box + straight intake pipe (90 ° angle) kit for your ROTAX 125cc motorcycle or karting! Model with high-end genuine carbon slats.
Reference: LC.26.4
High-end valves with carbon blades, special high performance and competition.
Reference: LP.01.125
Ideal for refurbishing your double V 8-slat valve box ITALKIT! Black treated fiberglass slats "Karbonit".
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: BOY713
Ideal to improve the performance of your machine! Fiberglass model.
Reference: BOY714
Ideal for increasing the power and torque of your motorcycle!
Reference: 27 7366.C0
MALOSSI Carbon Cutting Boards available in 0.30, 0.35 and 0.40mm. Top of the line. For manufacturing slats on a 2-stroke engine, thicknesses to choose from!
Reference: BOY715
To increase the power and the torque of your motorcycle!
Ideal for increasing the power and the torque of your motorcycle! Installs on ROTAX 122 and 123 125cc 2T engine.
