 C01 Honda: MB50 (1979-1982), MT50 (1980-1996) |  C06 Fits several Honda and Suzuki models. |  C10-C54 Yamaha: YZ125 (1987-1989) |  C10-C57 Yamaha: YZ250 (1989-1990) |  C10-C59 Honda: CR125R (1986-1991), CR250R (1986-1988), CR500R (1986) |
 C11-C51 Fits several Kawasaki and Yamaha models. |  C12 Kawasaki: KX80 (1990-1991), KX80 Big Wheel (1990-1991), KX100 (1990-1991) |  C12-C53 Kawasaki: KX125 (1990-1991), KX250 (1989-1991) |  C13 Kawasaki: KX80 (1992-2000), KX80 Big Wheel (1992-1997), KX85 (2001-2005), KX100 (1992-2005) |  C13-C55 Yamaha: YZ125 (1992-1995) |
 C13-C58 Kawasaki: KX250 (1992-1997) |  C14 Yamaha: WR250Z (1989-1996), YZ250 (1991-1995) |  C16 Honda: CR60R (1983-1984), CR80R (1980-2002), CR85R (2003-2004) |  C16-C56 Yamaha: YZ250 (1988) |  C17 Yamaha: PW50 Zinger (1981-2011), YFS200 Blaster (1988-2007) |
 C18 Yamaha: PW80 Zinger (1983-2011) |  C18-C52 Kawasaki: KX60 (1983-1996) |  C19 Honda: CR500R (1987-2001) |  C21 Kawasaki: KX65 (2000-2014) |  C22 Honda: CG125 (1967-2001) |
 C24 Kawasaki: KX60 (1997-2003) |  C25 Honda: CG125ES (2004-2007), CG125M (2001-2003) |  C25-C26 Kawasaki: KDX175 (1980-1982), KDX200 (1983-1988), KDX250 (1980-1985), KX250 (1982) |  C30-C31 Kawasaki: KX500 (1983-1985), Yamaha: YZ465 (1980-1981), YZ490 (1982-1990) |  C31 Fits several Kawasaki, Suzuki and Yamaha models. |
 C32 Yamaha: DT125 (1971-1981) |  C35 Yamaha: RS100 (1975-1976), DT125R (1988-2002), DT125RE (1997-2006) |  C37 Kawasaki: KX500 (1990-2004) |  C38 Yamaha: YZ85 (2002-2021) |  C39 Yamaha: YZ250 (1999-2002) |
 C40 Kawasaki: AR50 (1982-1992), AR80 (1982-1990) |  C42 Cagiva: Mito 125 (1991-2011) |  C45 Fits several Honda, Suzuki and Yamaha models. |  C46 Fits several Gas Gas, Husqvarna, KTM and Suzuki models. |  C47 Suzuki: RM125 (1998-2004), RM250 (1996-2000) |
 C61-C62 Yamaha: YZ80 (1979-1981), YZ250 (1976-1984) |  C83 KTM: 65 SX (1998-2008), 85 SX (2003-2011) |  C92 Honda: CR125R (2004), CR250R (2002-2007) |  C93 Honda: CR125R (2002-2007) |  C95 Honda: CRF250R (2004-2009), CRF450R (2005-2008) |
 C97 Honda: CR125R (1996-1997), CR250R (1997-1998) |  C98 Kawasaki: KX250 (1998-2008) |  C99 Honda: CR125R (1998-2001), CR250R (1999-2001) |  C100-C110 Honda: CX500 (1978-1981), FT500 Ascot (1982-1983), XL600RM (1986) |  C102 Fits several Suzuki models. |
 C500-C501 Suzuki: GT500 Titan (1976-1977) |  C751 Kawasaki: H1 Mach III (1969-1975) |
