Conrod Kit, High Performance Connecting Rods- Chorng Ko

High-End Application

We have worked on the high performance connecting rods for more than twenty years. High strength, high wear resistance, high compatibility of conrod kit ensures your engine more powerful, safer and lasting longer.

All - Terrain Vehicle (ATV)
Unit: mm

Part No.	Model	Big End Width	Small End Width	Big End Bore	Small End Bore	Center to Center
Honda
CN516-1	1981 - 1984 ATC 250R	17	19.9	31	22	125.4
CN516	1985 - 1986 ATC 250R	17	19.9	31	22	125.4
CR900M	1999 - 2008 TRX 400EX 2009 - 2014 Honda TRX 400X ATV	21	19	43	20	122.7
CN518	2006 - 2014 TRX 450ER, 2006 - 2009 TRX 450R	19.75	18	42	19	105.5
YAMAHA
29L	1987 - 2006 Banshee 350	17	18	29	21	110
30L	1987 - 2006 Banshee 350 LONG ROD (+5mm)	17	18	29	21	115
KAWASAKI
CN510	2003 - 2006 KFX 400,	21.8	20	43	20	107
ARCTIC CAT
CN510	2004 - 2008 DVX 400	21.8	20	43	20	107
SUZUKI
CN510	2003 - 2012 LTZ 400	21.8	20	43	20	107

Motor Cross
Unit: mm

Part No.	Model	Big End Width	Small End Width	Big End Bore	Small End Bore	Center to Center
YAMAHA
CN517	1991 - 1997 WR 250, 1990 - 1998 YZ 250	19.9	19.9	32	23	125
CN513	1999 - 2020 YZ 250	17	19.9	31	22	125
CN508	2003 - 2013 WR 250F 2003 - 2013 YZ 250F	18	15	40	16	93.5
CN502	2004 - 2006 WR 450F, 2003 - 2005 YZ 450F	20	18	42	18	103.5
CN503	2007 - 2011 WR 450F, 2006 - 2009 YZ 450F	20	18	42	18	103.5
CN523	2005 - 2016 YZ 125	17	16	29	19	102
HONDA
CN516	1983 - 2001 CR 250R,	17	19.9	31	22	125.4
CN512	2002 - 2007 CR 250R	16.5	20	32	22	125.3
CN505	2004 - 2017 CRF 250R, 2004 - 2017 CRF 250X	17.8	15	38	16	90
CN506	2002 - 2008 CRF 450R	19.75	18	42	19	105.5
CN504	2007 - 2017 CRF 150R, 2007 - 2017 CRF 150RB	15.75	14	32	14	75.4
CN507	2009 - 2016 CRF 450R	19.8	18	41	19	102.1
CN518	2005 – 2016 CRF 450X	19.75	18	42	19	105.5
KFB	2003 - 2009 CRF 230F	18	18	38	18	110
KAWASAKI
CN509	2004 - 2009 KX 250F	18	15	38	16	92.5
CN519	2010 - 2016 KX 250F	18	15	38	16	92.5
CN510	2003 - 2004 KLX 400	21.8	20	43	20	107
CN511-1	2008 - 2013 KLX 450R, 2007 - 2008 KX 450F	20	18	42	19	101
CN511	2009 - 2017 KX 450F	20	18	42	19	101
SUZUKI
CN509	2004 - 2006 RMZ 250	18	15	38	16	92.5
CN510	2000 - 2015 DRZ 400, 2005 - 2015 DRZ 400SM,	21.8	20	43	20	107
CN515	2007 - 2015 RMZ 250	17.75	15	38	16	92.5
CN520	2008 - 2012 RMZ 450	19.75	16.5	42	19	105.6
KTM
CN514	2004 - 2011 250 EXC, 2003 - 2015 250 SX, 2003 - 2007 250 SXS, 2004 - 2015 250 XC, 2004 - 2014 250 XC-W, 2004 - 2011 300 EXC, 2004 - 2011 300 MXC, 2004 - 2014 300 XC, 2004 - 2014 300 XC-W	16.9	16.9	31	22	124.9
CN521	2007 - 2009 125 EXC, 2007 - 2015 125 SX, 2007 - 2008 144 SX, 2009 - 2015 150 SX, 2010 - 2014 150 XC	15.9	15.9	28	19	110
CN521-1	2016-2018 125 SX, 2016-2018 125 EXC, 2016-2018 150 SX,	15.9	15.9	28	19	110
CN522	1998 - 2005 200 EXC, 1998 - 2003 200 MXC, 2003 - 2004 200 SX, 2006 - 2009 200 XC, 2006 - 2016 200 XC-W	15.9	15.9	28	20	118

Personal Watercraft (PWC)
Unit: mm

Part No.	Model	Big End Width	Small End Width	Big End Bore	Small End Bore	Center to Center
KAWASAKI
CR86M	2001 - 2002 900 STS, 1997 - 2006 900 STX, 1995 - 1997 900 ZXI, 1992 - 1995 JS 750	20	22	34	25	133
SEA-DOO
CR81M	1995 - 2002 720 HX, 1995 - 2002 720 XP	18	18	33	24	125
CR83M	1996 - 1999 785	18	18	35	24	140
CR80M	1996 580	17	17	31	22	125
CR85M	1998 - 2002 951 CARBURETED	19.9	19.9	36	25	140
CR87M	1997 650	16.9	16.9	30	25	125
YAMAHA
CR82M	1996 - 1998 Exciter 1100 Jetboat, 1998 - 1999 Exciter Jetboat, 1997 - 1999 GP 1200 Waverunner, 1999 - 2005 LST 1200 Jetboat, 1995 - 1996 RA 1100 Waveraider, 1998 - 2012 SJ 700, 1990 - 1993 SUPER JET 650, 1999 - 2004 SV 1200 Waverunner, 1999 - 2004 WAVE RUNNER XL 700, 1998 WAVE VENTURE 700, 1996 - 1997 WVT 1100 Waveventure, 1998 XL 1200 Waverunner	20	20	32	25	125
CR84M	2000 - 2002 GP 1200 Waverunner, 2003 - 2006 GP 1300 Waverunner, 1998 - 2005 GP 800, 1998 - 2005 GP 800R, 1999 - 2005 XA 1200 Waverunner, 2000 - 2001 XR 1800 Jetboat	21	21	34	27	135