Závodná zapaľovacia sviečka určená na súťaže by mala byť odolná voči extrémnym podmienkam:

Opakované zrýchľovanie a spomaľovanie s výkonom
intenzívna prevádzka motora pri vysokých otáčkach.

Extrémne podmienky v spaľovacej komore, ako sú zmeny teploty, tlaku, vibrácie a turbulencie, ktoré štandardná zapaľovacia sviečka nemôže vydržať.

YAMAHA YZ 85 (CB04) [85]
YAMAHA YZ 85 (CB04) 85 2003
YAMAHA YZ 85 (CB04) 85 2002
YAMAHA YZ 85 (CB07) [85]
YAMAHA YZ 85 (CB07) 85 2004
YAMAHA YZ 85 (CB09) [85]
YAMAHA YZ 85 (CB09) 85 2012
YAMAHA YZ 85 (CB09) 85 2011
YAMAHA YZ 85 (CB09) 85 2010
YAMAHA YZ 85 (CB09) [85]
YAMAHA YZ 85 (CB09) 85 2009
YAMAHA YZ 85 (CB09) 85 2008
YAMAHA YZ 85 (CB09) 85 2007
YAMAHA YZ 85 (CB09) 85 2006
YAMAHA YZ 85 (CB09) 85 2005
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB05) [85]
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB05) 85 2003
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB05) 85 2002
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB08) [85]
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB08) 85 2004
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) [85]
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2023
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2022
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2021
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2020
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2019
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2018
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2017
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2016
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2015
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2014
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2013
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2012
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) [85]
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2011
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2010
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2009
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2008
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2007
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2006
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2005
YAMAHA YZ 85 [85]
YAMAHA YZ 85 85 2024