BOYESEN CARBON TECH REEDS BOYESEN, TOP END POWER INCREASE, 137HT Motorcycle boot Enduro Make Model Years Engineworx Crankshaft MM620331147 Make Model Years Engineworx Crankshaft Bearing Kit KTM EXC G 250 Racing 02 05 EW10 56010 KTM EXC 400 00 02 EW10 56010 KTM EXC G 400 04 06 EW10 56010 KTM MXC 400 01 02 EW10 56010 KTM SX 400 01 02 EW10 56010 KTM XC W 400 07 EW10 56010 KTM EXC 450 03 07 EW10 56010 KTM EXC G 450 03 07 EW10 56010 KTM MXC G 450 03 05 EW10 56010 KTM SMR 450 05 07 EW10 56010 KTM SMS 450 03 EW10 56010 KTM SMS 450 04 EW10 56010 KTM SX 450 03 06 EW10 56010 KTM SXS 450 03 04 EW10 56010 KTM XC 450 04 07 EW10 56010 KTM XC W 450 07 EW10 56010 KTM EXC 520 00 02 EW10 56010 KTM MXC 520 01 02 EW10 56010 KTM SX 520 00 02 EW10 56010 KTM EXC 525 03 07 EW10 56010 KTM MXC G 525 03 05 EW10 56010 KTM SMR 525 05 EW10 56010 KTM SX 525 03 06 EW10 56010 KTM XC 525 06 07 EW10 56010 KTM XC W 525 07 EW10 56010 KTM SXS 540 01 EW10 56010 KZ750L (1983) BOYESEN CARBON TECH REEDS Low Tensions (LT) are generally better for tight tracks