Here are the famous BOYESEN carbon fiber racing valves that can equip many motorcycles. These slats are only mounted on models after 1978. These fiberglass valves will allow you to obtain a considerable power gain in both torque and high speed.
This is a patented double-slat system, a thinner for low revs and a thicker one that goes into action (resonance) for high revs! The fiberglass that designs them is of very high quality! Ideal for equipping your machines unbridled and equipped. They come with a notice!
Mounts on the following models:
SUZULI TS 100cc (all models)
SUZUKI RM 100/125 / 250cc from 1978
KTM CROSS 125 from 1983
KTM EGS 125 from 1983
KTM EGS 125 EUROPE from 1983
KTM EXC / TXC USA 125 from 1983
KTM EXC 125 from 1983
KTM EXC 125 SIX DAY from 1983
KTM EXE 125 from 1983
KTM GS 125 from 1983
KTM GS 125 LC from 1983
KTM LC 125 from 1983
KTM LC2 125 from 1983
KTM MC 125 CROSS from 1983
KTM MX / D-CX USA 125 from 1983
KTM MX 125 from 1983
KTM MXC 125 from 1983
KTM SACHS 125 from 1983
KTM SM 125 from 1983
KTM STING 125 from 1983
KTM SX 125 from 1983
KTM SX 125 SUPERMOTARD from 1983
KTM SXS 125 from 1983
KTM XC 125 from 1983
KTM XC 125 ENDURO from 1983
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