NGK Spark Plug #6637/04 for Snow Cats and Motorcycles

The NGK Spark Plug #6637/04 is specifically designed for snow cats and select motorcycles, ensuring reliable ignition performance in demanding conditions. Crafted with precision, this spark plug offers excellent durability and consistent spark delivery to optimize engine performance. Its versatile design allows it to replace similar NGK models, such as the ILKR8Q7 and BPR8ES-S, making it a cost-effective choice for maintenance and repairs.

This spark plug is suitable for various Yamaha and Indian motorcycle models, including the Yamaha SR400 from 2015 and 2016, as well as Indian Chief, Scout, and Spirit models from 1999 to 2003. Its compatibility ensures a seamless fit and reliable operation across a range of engines. The plug's construction features high-quality materials that withstand extreme temperatures and harsh environments, providing long-lasting service life.

The NGK #6637/04 is engineered to deliver optimal ignition performance, promoting efficient combustion and smooth engine running. Its design emphasizes ease of installation and compatibility, making it a trusted choice for snow cat operators and motorcycle enthusiasts alike. Whether you’re performing routine maintenance or replacing a worn-out spark plug, this model offers the performance and reliability you need to keep your equipment running smoothly in cold and challenging conditions.

Features:

• Designed specifically for snow cats, ensuring optimal performance in cold environments

• Compatible with Yamaha SR400 (2015-2016) and Indian Chief, Scout, and Spirit models (1999-2003)

• Can replace NGK ILKR8Q7 and BPR8ES-S models for versatile use

• Built with durable materials to withstand high temperatures and harsh conditions

• Engineered for reliable ignition and efficient engine performance

Fits 1969 BMW R75/5 1969 BMW R90S 1970 BMW R75/5 1970 BMW R90S 1971 BMW R75/5 1971 BMW R90S 1972 BMW R75/5 1972 BMW R90S 1973 BMW R100CS 1973 BMW R75/5 1973 BMW R75/6 1973 BMW R90/6 1973 BMW R90S 1974 BMW R100CS 1974 BMW R75/6 1974 BMW R90/6 1974 BMW R90S 1975 BMW R100CS 1975 BMW R75/6 1975 BMW R90/6 1975 BMW R90S 1976 BMW R100 1976 BMW R100/7 1976 BMW R100CS 1976 BMW R75/6 1976 BMW R75/7 1976 BMW R80/7 1976 BMW R90/6 1976 BMW R90S 1976 Yamaha XS360 1977 BMW R100 1977 BMW R100/7 1977 BMW R100CS 1977 BMW R75/7 1977 BMW R80/7 1977 Yamaha XS360 1978 BMW R100 1978 BMW R100/7 1978 BMW R100CS 1978 BMW R80/7 1978 Yamaha XS1100 1979 BMW R100 1979 BMW R100CS 1979 BMW R80/7 1979 Kawasaki KZ1300 1979 Yamaha XS1100 1979 Yamaha XS1100S Special 1980 BMW R100 1980 BMW R100CS 1980 BMW R80/7 1980 BMW R80G/S 1980 Kawasaki KZ1300 1980 Kawasaki KZ1300B 1980 Yamaha SR500 1980 Yamaha XS1100 1980 Yamaha XS1100L Mid-Special 1980 Yamaha XS1100S Special 1980 Yamaha XT500 1981 BMW R100 1981 BMW R100CS 1981 BMW R100T 1981 BMW R80/7 1981 BMW R80G/S 1981 Kawasaki KZ1300 1981 Yamaha SR500 1981 Yamaha XS1100 1981 Yamaha XS1100L Mid-Special 1981 Yamaha XS1100S Special 1981 Yamaha XT500 1982 BMW R100 1982 BMW R100CS 1982 BMW R100T 1982 BMW R80/7 1982 BMW R80G/S 1982 BMW R80RT 1982 BMW R80ST 1982 Kawasaki KZ1300 1982 Yamaha XS1100 1983 BMW R100 1983 BMW R100CS 1983 BMW R100T 1983 BMW R80/7 1983 BMW R80G/S 1983 BMW R80RT 1983 BMW R80ST 1983 Kawasaki ZN1300 Voyager 1983 Yamaha XS1100 1984 BMW R100 1984 BMW R100CS 1984 BMW R100T 1984 BMW R80 1984 BMW R80/7 1984 BMW R80G/S 1984 BMW R80RT 1984 BMW R80ST 1984 Kawasaki ZN1300 Voyager 1985 BMW R100CS 1985 BMW R80 1985 BMW R80G/S 1985 BMW R80RT 1985 BMW R80ST 1985 Kawasaki ZN1300 Voyager 1985 Yamaha Ty350 1986 BMW R100CS 1986 BMW R80 1986 BMW R80G/S 1986 BMW R80RT 1986 BMW R80ST 1986 Kawasaki ZN1300 Voyager 1986 Yamaha Ty350 1987 BMW R100CS 1987 BMW R100GS 1987 BMW R100RS 1987 BMW R100RT 1987 BMW R80 1987 BMW R80G/S 1987 BMW R80RT 1987 BMW R80ST 1987 Kawasaki ZN1300 Voyager 1988 BMW R100CS 1988 BMW R100GS 1988 BMW R100RS 1988 BMW R100RT 1988 BMW R80 1988 BMW R80G/S 1988 BMW R80RT 1988 BMW R80ST 1988 Kawasaki ZN1300 Voyager 1989 BMW R100CS 1989 BMW R100GS 1989 BMW R100RS 1989 BMW R100RT 1989 BMW R80 1989 BMW R80G/S 1989 BMW R80RT 1989 BMW R80ST 1990 BMW R100CS 1990 BMW R100GS 1990 BMW R100RS 1990 BMW R100RT 1990 BMW R80 1990 BMW R80G/S 1990 BMW R80RT 1990 BMW R80ST 1991 BMW R100 1991 BMW R100GS 1991 BMW R100R 1991 BMW R100RS 1991 BMW R100RT 1991 BMW R80 1991 BMW R80G/S 1991 BMW R80RT 1992 BMW R100GS 1992 BMW R100R 1992 BMW R100RS 1992 BMW R100RT 1992 BMW R80 1992 BMW R80G/S 1992 BMW R80R 1992 BMW R80RT 1993 BMW R100GS 1993 BMW R100R 1993 BMW R100RS 1993 BMW R100RT 1993 BMW R80 1993 BMW R80G/S 1993 BMW R80R 1993 BMW R80RT 1994 BMW R100GS 1994 BMW R100GS Paris-Dakar 1994 BMW R100R 1994 BMW R100RT 1994 BMW R80 1994 BMW R80G/S 1994 BMW R80R 1994 BMW R80RT 1995 BMW R100GS 1995 BMW R100GS Paris-Dakar 1995 BMW R100R 1995 BMW R100RT 1995 BMW R80 1995 BMW R80RT 1995 Moto Guzzi 1100 California 1995 Moto Guzzi 1100 California I 1995 Moto Guzzi 1100 Sport 1995 Moto Guzzi 1100 Sport I 1996 Moto Guzzi 1100 California 1996 Moto Guzzi 1100 California I 1996 Moto Guzzi 1100 Sport 1997 Moto Guzzi 1100 Sport 1998 Moto Guzzi 1100 Sport 1998 Moto Guzzi V11 EV 1999 Indian Chief 1999 Moto Guzzi 1100 Sport 1999 Moto Guzzi V11 Bassa 1999 Moto Guzzi V11 EV 2000 Indian Chief 2000 Moto Guzzi 1100 Sport 2000 Moto Guzzi V11 Jackal 2000 Moto Guzzi V11 Quota 2000 Moto Guzzi V11 Sport 2001 Indian Chief 2001 Indian Scout 2001 Indian Spirit 2001 Moto Guzzi California Jackel 2001 Moto Guzzi California Special 2001 Moto Guzzi V11 Sport 2002 Indian Scout 2002 Indian Spirit 2003 Indian Scout 2003 Indian Spirit 2003 Moto Guzzi California EV 2003 Moto Guzzi California Stone 2003 Moto Guzzi California Stone Metal 2004 Gas-Gas Pampera 280 2004 Moto Guzzi California EV 2004 Moto Guzzi California Stone 2004 Moto Guzzi California Stone Touring 2005 Gas-Gas Pampera 280 2005 Moto Guzzi California Aluminium 2005 Moto Guzzi California EV 2005 Moto Guzzi California EV Touring 2005 Moto Guzzi California Stone 2005 Moto Guzzi California Stone Touring 2005 Moto Guzzi California Titanium 2005 Moto Guzzi V11 Ballabio 2006 Moto Guzzi Breva 1100 2006 Moto Guzzi Griso 1100 2007 Moto Guzzi Breva 1100 2007 Moto Guzzi California Vintage 2007 Moto Guzzi Griso 1100 2007 Moto Guzzi Norge 1200 2008 Moto Guzzi California Vintage 2008 Moto Guzzi Griso 1100 2008 Moto Guzzi Norge 1200 2009 Moto Guzzi California Vintage 2010 Moto Guzzi California Aquila Nera (Black Eagle) 2010 Moto Guzzi California Vintage 2011 Moto Guzzi California Aquila Nera (Black Eagle) 2015 Yamaha SR400 2016 Yamaha SR400