Piston Kits
Namura
KTM 2-Stroke
Piston Type
Years
Size
Piston Kit
Oem Ref
Piston Rings
Small End Bearing
50 SX Pro JR & SR LC
2001 - 05 39.50mm
.A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT
56-W803 56-W803 56-W803 56-W803 56-W803 56-W803 56-W803 56-W802 56-W011 56-W746 56-W313 56-W746 56-W313 56-W012 56-W012 56-W314 56-W314 56-W740 56-W010 56-W740 56-W010 56-W835 56-W010 56-W036 56-W036 56-W036 56-W770 56-W770 56-W770 56-W770 56-W825 56-W825
56-R729 56-R729 56-R729 56-R729 56-R729 56-R729 56-R729 56-R729 56-R730 56-R731 56-R731 56-R731 56-R731 56-R703 56-R703 56-R7712 56-R7712 56-R723 56-R722 56-R723 56-R722 56-R704 56-R722 56-R732 56-R732 56-R732 56-R7710 56-R7710 56-R7710 56-R7710 56-R7711 56-R7711 56-R7711 56-R7710 56-R7710
56-847 56-846 56-846 56-846 56-846 56-846 56-846 56-846 56-827 56-827 56-827 56-827 56-827 56-821 56-821 56-821 56-821 56-800 56-800 56-800 56-800 56-800 56-800 56-800 56-800 56-800 56-844
50 Mini / JR / SR Adventure
2002 2002 2003
39.50mm 39.50mm 39.50mm
50 Mini Adventure GS
50 SX, Mini, SR & JR Adventure 50 SX, Mini & SR Adventure 50 SX, SX JR, Mini ADV, SR ADV.
2004 - 05 39.50mm 2006 - 07 39.50mm
50 SX, SX JR, SX Mini LC
2008
39.50mm
50 SX 60 SX 65 SX 65 SX 65 XC 65 XC 85 SX 85 XC 105 SX 105 XC 125 EXC
2009 - 23 39.50mm 1997 - 99 43.50mm 2000 - 08 45mm 2009 - 23 45mm
.A.NT
.A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT
.SI .SI .SI .SI .SI .SI .SI .SI .SI .SI .SI .SI .SI .SI .SI .SI .SI
2008 2009
45mm 45mm
2003 - 24 47mm 2008 - 09 47mm 2004 - 11 52mm 2008 - 09 52mm 1994 - 00 54.25mm 2001 - 16 54mm 1994 - 00 54.25mm 2001 - 24 54mm 2001 - 14 54mm 2017 - 24 54mm 2007 - 08 56mm 2009 - 15 56mm 2010 - 15 56mm 1998 - 05 64mm 2006 - 16 64mm 1998 - 02 64mm 2003 - 08 64mm 1998 - 02 64mm 2003 - 05 64mm 2006 - 14 64mm 2006 - 09 64mm 2006 - 15 64mm 1990 - 94 67.5mm 1996 - 99 67.5mm 1990 - 94 67.5mm 1996 - 99 67.5mm 2000 - 06 66.4mm 2007 - 24 66.4mm 1990 - 94 67.5mm 1990 - 94 67.5mm 2000 - 05 66.4mm
125 EXC Dual Ring
125 SX
125 SX Dual Ring
125 SX GP Series Only
125 XC-W
144 SX 150 SX
150 XC / XC-W
200 EXC 200 EXC 200 MXC 200 MXC
.NT .NT .NT .NT
.NT
–
.NT
56-844
–
200 SX 200 SX 200 SX 200 XC
.NT .NT .NT
.NT
56-844
–
.NT
56-W825 56-W770 56-W770 56-W601 56-W694 56-W601 56-W694 56-W774 56-W824 56-W601 56-W601 56-W774 56-W824 56-W601 56-W694 56-W774 56-W824 56-W774 56-W824 56-W824 56-W824 56-W824 56-W854 56-W854 56-W854 56-W854 56-W854
56-844
.NT .NT
– –
200 XC-W 250 EGS 250 EGS 250 EXC 250 EXC 250 EXC
.PR .PR .PR .PR
.SI .SI .SI .SI .SI .SI .SI .SI .SI .SI .SI .SI .SI .SI
56-R724 56-R724 56-R724 56-R724 56-R725 56-R725 56-R724 56-R724 56-R725 56-R725 56-R724 56-R724 56-R725 56-R725 56-R725 56-R725 56-R725 56-R725 56-R725
56-802 56-802 56-802 56-802 56-802 56-802 56-802 56-802 56-802 56-802 56-802 56-802 56-802 56-802
250 EXC Single Ring
250 GS 250 MX
.A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT .A.NT
.PR .PR
250 MXC
250 R Freeride
2014
66.4mm
250 SX 250 SX 250 SX
1990 - 94 67.5mm 1996 - 99 67.5mm 2000 - 02 66.4mm 2003 - 24 66.4mm 2000 - 02 66.4mm 2003 - 07 66.4mm 2008 - 16 66.4mm 2006 - 24 66.4mm 2006 - 12 66.4mm 2004 - 23 72mm 2004 - 05 72mm 2023 - 24 72mm 2008 - 24 72mm 2008 - 24 72mm
.PR .PR
250 SX Single Ring
250 SXS 250 SXS 250 SXS
–
.SI
56-802
–
250 XC / XC-W Single Ring 250 XCW-E Single Ring
.SI
56-802
–
300 EXC 300 MXC
– – – – –
.SI .SI .SI .SI .SI
56-802 56-802 56-802 56-802 56-802
300 SX 300 XC
300 XC-W
*Please visit our website for current prices
E-mail: sales@oro2u.com
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