Ingition Coil + Cap. Removing cap and fitting other spark plug cap suited to your model can be possible. But this lead, size, cap and coil directly replaces models listed below. 
 
Suzuki
RMX250 RMX 250 1989 - 1998
Suzuki RM 60 65 80 85 100 125 250 RMX 450

Honda
Honda ATC110 1981-1984
Honda ATC125M ATC200M ATC200S ATC200ES 1984
Honda ATC185 ATC185S 1980-1985
Honda ATC200 1982-1985
Honda ATC200X 1984-1985 1993
Honda ATC250 1981-1984
Honda Big Red 200 ATC200E 1982-1983
Honda XL200R XL500R 1982 1983
Honda XL250 XL250R 1984-1987
Honda NU50 NU50M NH80MD 1982 1983 1984
Honda FL250 NX50M 1981-1984
Honda XR200R XR250R XR500R 1981 1982 1983

Yamaha
Bear Tracker 250 YFM250 1999 - 2004
Trail Boss 330 2003 - 2011
TTR125 2000 - 2009
YFM350 Warrior 1987 - 2005
YFM350 Big Bear 1990 - 1999
YFM350 Raptor 350 2004 - 2009
Yamaha PW50 1986-1987, 1990-2009
Yamaha PW80 1983-2006
Yamaha Big Wheel 200 BW2001985-1988
Yamaha DT50 1988-1990
Yamaha RX50 1983-1984
Yamaha TTR225 1986-1987
Yamaha TTR110E 2008-2015
Yamaha TTR230 2005-2016
Yamaha TTR90 2000-2003
Yamaha TTR90E 2003-2007
Yamaha TW200 Trailway 1998-2000
Yamaha WR250 1991-1993
Yamaha XT125 1982-1983

Kawasaki
Kawasaki KX60 1983-2003
Kawasaki KX65 2011-2016
Kawasaki KX65 2000-2009
Kawasaki KX65 Monster Energy 2009
Kawasaki KX80 1979-2000
Kawasaki KX80 Big Wheel 1989-1994
Kawasaki KX80 Large Wheel 1987-1988
Kawasaki KX85 Monster Energy 2009
Kawasaki KX85 2001-2016
Kawasaki KX100 Monster Energy 2009
Kawasaki KX100 2011-2016
Kawasaki KX100 1995-2009
Kawasaki KX125 1974-2005
Kawasaki KX250 2012-2013
Kawasaki KX250 1974-2007
Kawasaki KX250F Monster Energy 2009
Kawasaki KX250F 2004-2016
Kawasaki KX250F 1988
Kawasaki KX250R 2005
Kawasaki KX300 2010
Kawasaki KX450 2012-2013
Kawasaki KX450 1974
Kawasaki KX450F 2006-2016
Kawasaki KX450F Monster Energy 2009
Kawasaki KX500 1983-2004
Kawasaki KDX80 1980-1988
Kawasaki KDX200 1989-1994