
CHAMPION
Spark Plug - RA6HC
Part # RA6HC
$4.95
In Stock
- 60-day returns
- Free shipping over $100
- Secure checkout
Confirmed fit for 644 motorcycle configurations across Kawasaki, Suzuki, and Yamaha, and more, model years 1973–2017.
| Years | Make & Model |
|---|---|
| 1998-2001 KTM | 640 Duke |
| 1979-1983 Honda | CB900F Super Sport |
| 2002-2006 Ducati | Monster 620 I.E. |
| 1983-1996 Suzuki | DR 250 S |
| 1980-1983 Honda | CM400T |
| 1980-1987, 1989 Honda | CB450 |
| 1983-2000 Kawasaki | Z 550 GT |
| 2003-2005 Ducati | Monster 1000 |
| 1979-1983 Honda | CB900C Custom |
| 2007-2010 Ducati | 1000 Sport Classic GT |
| 1986-1989, 1994-1996 Suzuki | DR 250 |
| 1997 KTM | 620 EGS |
| 2008-2009 Ducati | Hypermotard 1100 |
| 2008-2013 Ducati | Monster 696 |
| 2003 KTM 450 EXC Racing 4-Stroke | |
| 1987-1993 Kawasaki | GPZ 500 S |
| 1990, 1992-2001, 2011-2017 Husqvarna | TE 510 |
| 1996-2002 Ducati | Monster 750 |
| 1990-1993 Suzuki | DR 250 P |
| 1994-2000 BMW | F650 |
| 2010-2012 Ducati | Hypermotard 1100 EVO SP |
| 1980-1984 Honda | CB650 |
| 1996-1999 KTM | 620 SX |
| 2010-2012 Ducati | Hypermotard 796 |
| 1979 Honda | CB400A Hawk Hondamatic |
| 2000-2005 KTM | 600 MX |
| 1978-1981 Honda CB400F CB-1 | |
| 1983-1996 Suzuki | DR 250 R |
| 1990-1995 Suzuki | DR 250 L |
| 1986-1987 Yamaha | TT 225 T |
| 1974-1989, 1997-2009 Kawasaki | EN 500 A Vulcan |
| 1985-1986, 1990-1993 Yamaha | FZR 750 R |
| 1982-1983, 1992 Honda | CB750F |
| 1993 KTM | 350 LC4 |
| 1984-1986 Honda | CBX750 |
| 2010 Bimota | Tesi 3D |
| 2001-2003 Husaberg | FE 450 E |
| 1999-2001 KTM | 640 LC4 |
| 1986 Kawasaki | KLR 650 |
| 1979-1983 Honda | CB900F 919 |
| 1990-1993 Suzuki | DR 250 N |
| 2008-2010 Husqvarna | TX 510 |
| 1980-1983 Honda | CB1100 |
| 2003 KTM 450 MXC Racing 4-Stroke | |
| 2008-2009 Ducati | Hypermotard 1100 S |
| 1979-1981 Kawasaki | Z 500 |
| 2000 Husaberg | FE 650 E |
| 1975-1976, 1982-1984 Yamaha | XS 400 |
| 2000-2002 Husaberg | FS 400 C |
| 1995-2004 Aprilia | Pegaso 650 |
| 1987-1988 Honda | CBR600F |
| 1980-1984 Honda | CB650C Custom |
| 2000 BMW | F650GS Dakar |
| 2007 KTM | 560 SMR |
| 2012-2014 Ducati | Monster 795 |
| 2003 KTM 400 EXC Racing 4-Stroke | |
| 2005-2006 KTM | 990 Super Duke |
| 1980-1982 Honda | CBX1050 Super Sport |
| 2000 Ducati | Monster 400 |
| 1997 KTM 620 EGS-E | |
| 1981-1983 Honda | CB750K |
| 2004 BMW | K 1200 S |
| 2009-2010 Ducati | Monster 1100 |
| 2007-2008 Ducati | Monster 695 |
| 2001-2003 BMW | F650CS |
| 2010-2013 Ducati | Monster 696 ABS |
| 1980-1983 Honda | CB750 |
| 2009-2010 Ducati | Monster 1100 S |
| 2010 Ducati | Monster 1100 ABS |
| 1997 Ducati | Monster 900 I.E. |
| 1985 Suzuki | GSX 750 F Katana |
| 1990-1993 Suzuki | DR 250 M |
| 2013 BMW | F800GS |
| 1991, 1994-1997 Yamaha | TDM 850 |
| 1998-1999 KTM | 540 SXC |
| 2006-2008, 2010 Ducati | GT 1000 Touring 992 |
| 2006 Ducati | 1000 SS Supersport |
| 1994 Yamaha | XT 600 E |
| 1978-1984 Honda | CB400 |
| 2005 KTM | 525 SMR |
| 1980-1984 Honda | CB1100F |
| 2006 KTM | 990 Adventure |
| 2002-2003 KTM | 625 SXC |
| 2009-2010 BMW | G650GS |
| 1991, 1995 Honda | CB750 Nighthawk |
| 2002 Yamaha | TDM 900 |
| 2009 BMW | F800R |
| 1985 Kawasaki | KLR 600 |
| 2006 Ducati | 1000 SS |
| 2009 Beta | 400 RR 4T |
| 2013 BMW | F800GT |
| 1994 KTM | 620 Duke |
| 2005 KTM | 660 SMC |
| 2012-2013 Ducati | Monster 1100 EVO |
| 1986-1989 Honda | CB450S |
| 1997 Ducati | Monster 900 |
| 2000, 2008 BMW | F650GS |
| 1980 Honda | CB650SC Nighthawk |
| 1989 Yamaha | FZ 750 |
| 2006 Ducati | Sport 1000 Paul Smart Replica |
| 2013 Ducati | 800 Hypermotard |
| 1981-1983, 1986-1993 Yamaha | FJ 600 |
| 1986-2003 Yamaha | FJ 1100 |
| 2006 KTM | 990 Adventure S |
| 2008 KTM | 525 XC |
| 2012 Yamaha | Big Bear 400 |
| 1997 KTM 400 EGS-E | |
| 1983-1989, 1996 Suzuki | DR 250 SE |
| 1997 KTM | 400 EGS |
| 1980-1987 Suzuki | GSX 400 E |
| 1984-1996 Kawasaki | GPZ 900 R Ninja |
| 1995 Aprilia | Moto 650 |
| 1983, 1993-1997, 2000-2003 Yamaha | TT 250 |
| 1987-1990 Kawasaki | KL 600 |
| 1980-1984 Honda | CB250RS |
| 1982 Suzuki | DR 125 E |
| 1993-1996 Bimota | DB2 900 |
| 1975, 1982-1985 Yamaha | XT 500 |
| 1984-1989 Suzuki | GN 125 E |
| 1993 Bimota | YB10 Dieci 1000 |
| 1984, 1987 Kawasaki | ZL 900 A Eliminator |
| 2001-2003 Aprilia | Leonardo 250 ST |
| 2000 Beta | Alp 200 |
| 1980 Honda | CB750F2 |
| 1993 Bimota | Dieci Biposto 1000 |
| 1985 Ducati | F1 750 |
| 2000 Benelli | 250 |
| 1998 Bimota | DB4 904 |
| 2000-2001 CCM | 604E Supermoto |
| 1992 Honda | CB750C Custom |
| 1980-1983 Kawasaki | Z 550 F |
| 2005, 2010 Bimota | DB5 S |
| 1998 Honda | ST1300 |
| 1973 Ducati | 750 Supersport |
| 2000 CCM | 604E Sport |
| 2007 Bimota | DB6 |
| 2011 Harley-Davidson | FXS Blackline |
| 2010 Harley-Davidson | FLHTK Electra Glide Ultra Limited |
| 2007-2010 Harley-Davidson | FLTR Road Glide |
| 2007-2010 Harley-Davidson | FLHR Road King |
| 2008 Harley-Davidson | XL1200N Sportster 1200 Nightster |
| 2009 Harley-Davidson | XL1200R Sportster 1200 Roadster |
| 2010 Harley-Davidson | XR1200X |
| 2008 Harley-Davidson | VRSCD Night Rod |
| 2008 Harley-Davidson | VRSCDX Night Rod Special |
| 2011 Can-Am | Commander 1000 |
| 2013 Ducati | Monster Diesel |
| 1989 Yamaha | FZR750R OW01 |
| 1986-1988 Yamaha | FZ600 |
| 1992-1993 Yamaha | TDM850 |
| 1986-1988 Yamaha | FZ750 |
| 1987-1988 Yamaha | FZR750R |
| 1986 Yamaha | FJ1200 |
| 1984-1985 Yamaha | FJ1100 |
| 1984-1985 Yamaha | FJ600 |
| 1990-1995 Suzuki | DR250SE |
| 1993-1995 Kawasaki | KLX650 |
| 1993 Kawasaki | KLX650R |
| 1987-1994 Kawasaki | KLR650 |
| 1983-1990 Suzuki | DR100 |
| 1983-1985, 1990-1993 Suzuki | DR250 |
| 2007-2009 Ducati | Sport 1000s |
| 2009 Ducati | GT1000 Touring |
| 2007-2008 Ducati | Sport 1000 Biposto |
| 2004-2008 Husaberg | FE450E |
| 1997-2000 KTM | 620 SC |
| 1985-1986 Kawasaki | ZL900A Eliminator |
| 1990-1996 Kawasaki | EN500 Vulcan 500 |
| 1993 Yamaha | XT350 |
| 2003 KTM 250 EXC 4-Stroke | |
| 2003 KTM | 525 EXC |
| 2003 KTM | 525 MXC |
| 2005 Ducati | DS 1000 S |
| 1982 Honda | ATC200 |
| 1985-1988, 2002-2010 Husqvarna | TE510 |
| 2011 Can-Am | Commander 800R |
| 1977-1981 Yamaha | XS400 |
| 2010-2013 Arctic | Cat 150 2x4 |
| 2003-2005 BMW | K1200GT |
| 1997 BMW | K1200RS |
| 2000 BMW | K1200LT |
| 2006 Ducati | PaulSmart 1000 LE |
| 2000 Husaberg | FE400E |
| 2005 Ducati | Monster 1000s |
| 1982 Honda | ATC200E |
| 1986 Honda | ATC250SX |
| 1984-1986 Kawasaki | KL600 |
| 1980-1982 Yamaha | TT250 |
| 1976-1981 Yamaha | XT500 |
| 1985-1988 Husqvarna | TX510 |
| 1983 Suzuki | GN125E |
| 2008 Bimota | DB6R |
- Features a copper core center electrode that allows for accurate control of heat range, optimizing performance and longevity of the spark plug
- Patented SAC-9 semi-conductor resistor for maximum EMI and RFI suppression
- Patented Ultraseal™ coated shell for rust prevention
Customer Reviews
No reviews yet — be the first to review this part.
Overview
The CHAMPION RA6HC: Spark Plug - RA6HC. Confirmed fit for 644 motorcycle configurations across Kawasaki, Suzuki, and Yamaha, and more, model years 1973–2017. Ships from Greasemoto — a veteran-owned motorcycle parts shop in Fort Worth, TX — with free U.S. shipping on orders over $100.
More from CHAMPION

CHAMPION
RN-12-YC
Spark Plug - RN12YC
$3.95

CHAMPION
RH8C
Spark Plug - RH8C
$4.95

CHAMPION
RL-82-YC
Spark Plug - RL82YC
$4.95

CHAMPION
RA8HC
Spark Plug - RA8HC
$4.95

CHAMPION
2103-0075
Spark Plug - RG6YC
$6.95

CHAMPION
J-12-YC
Spark Plug - J12YC
$4.95

CHAMPION
N-12-YC
Spark Plug - N12YC
$4.95

CHAMPION
N-4-C
Spark Plug - N4C
$3.95
Fits these motorcycles
- KTM 640 Duke
- Honda CB900F Super Sport
- Ducati Monster 620 I.E.
- Suzuki DR 250 S
- Honda CM400T
- Honda CB450
- Kawasaki Z 550 GT
- Ducati Monster 1000
- Honda CB900C Custom
- Ducati 1000 Sport Classic GT
- Suzuki DR 250
- KTM 620 EGS
- Ducati Hypermotard 1100
- Ducati Monster 696
- KTM 450 EXC Racing 4-Stroke
- Kawasaki GPZ 500 S
- Husqvarna TE 510
- Ducati Monster 750
- Suzuki DR 250 P
- BMW F650
- Ducati Hypermotard 1100 EVO SP
- Honda CB650
- KTM 620 SX
- Ducati Hypermotard 796
