The workhorse, at the heart of smooth-running engines around the world.
Select Stock or Iridium Plug. The Iridium plug can give combustion improvement, with less misfiring and no sparks. The Iridium also lasts longer, so you will not have to change it as often.
- Yamaha XT225
- Yamaha TW200
- Suzuki DR200
- KTM LC4-640 ADV-R (1997-1999)